The Trump-era EPA regulated nitrous oxide and sulfur dioxide because they kill people and cause lung cancer, even without CO2 regulations.
Edward Norton Returns Again
Edward Norton's port-emissions barge sucked up the pollution equivalent of 65 million cars in a single year — and he built it while turning down hundreds of millions in Marvel money.
Armchair Expert with Dax Shepard
Edward Norton Returns Again
Edward Norton's port-emissions barge sucked up the pollution equivalent of 65 million cars in a single year — and he built it while turning down hundreds of millions in Marvel money.
TL;DR
Edward Norton returns to Armchair Expert for a wide-ranging conversation covering his visionary grandfather Jim Rouse (who invented the mall food court and predicted suburban sprawl), his methodical early New York years living on $11,000 annually, and the cathartic creative process of *The Invite* under Olivia Wilde's daring direction [1] — Edward Norton "Great mimicry isn't just a sharp ear — it's knowing where a voice physically lives in the body. Norton can intuitively sense whether a voic…" 26:15 . Norton dissects iconic vs. shape-shifting actors, the actor's inescapable narcissistic brain, and his port-emissions barge company that offset the equivalent of 65 million cars in a single year [2] — Dax Shepard "65 million cars equivalent in one year: Norton's port-emissions barge company, operational since 2023, captured pollution equivalent to 65 …" 05:48 . The Fact Check spirals into epigenome anti-aging science and a feverish debate about age, consent, and airline points. Key takeaway: uncertainty is not an obstacle to great work — it's the gateway [3] — Edward Norton "She literally said, 'I want to film myself hearing it for the first time.' I'll be the tester. I can't really come up with a way in which a…" 55:49 .
Edward Norton joins Dax Shepard and Monica Padman to discuss his grandfather Jim Rouse's visionary city-planning legacy, his own frugal early years in New York living on $11,000 a year, and his port-emissions cleanup company. Edward and Dax explore the actor's narcissistic brain, iconic vs. shape-shifting actors, and the exhilarating creative process behind The Invite under Olivia Wilde's direction.
-
The episode opens with Dax's playful false start — introducing Monica as 'Monica Norton' — before quickly clarifying that Edward Norton is married to Shawna, the producer who originally introduced Dax and Kristen Bell at a birthday dinner party. The hosts tease a later anecdote about the two couples' parallel pregnancy revelations. After a quick rundown of Edward Norton's credentials (Fight Club, American History X, Primal Fear, Birdman), Dax transitions into sponsor reads for American Beverage's ingredient transparency site Good2Know and Quince clothing, with Monica praising the brand's European linen shirts and value proposition. The segment establishes the show's relaxed, friendship-first dynamic before the guest appears.
-
Coming straight from Santa Monica where he had been raising capital, Norton launches into a description of his port-emissions company that immediately startles Monica. The barge carries a 15-story crane — originally built for concrete delivery to high-rise construction sites — that hovers above a ship's smokestack and acts like a massive catalytic converter, transforming nitrogen oxides and sulfur dioxide into harmless air. Norton notes that while CO2 regulations remain contentious, even the Trump-era EPA regulated NOx and SO2 because they kill people — causing lung cancer and asthma. He cites a figure suggesting California port emissions generate $6.5 billion in annual respiratory health costs, a stat later partially fact-checked by Monica in the show's Fact Check. The kicker: in just one year of deployment, the system captured pollution equivalent to 65 million cars. [1] — Edward Norton "Norton's barge uses a 15-story crane to hover above cargo ship smokestacks and capture nitrous oxide, sulfur dioxide, and particulate matte…" 04:04
-
Norton mentions that 1995 was his first trip to LA for Primal Fear, and Dax notes he arrived the same year. Both men reflect on how unrecognizable today's air quality is compared to the smog-heavy LA of the mid-'90s, with Norton noting that catalytic converters have done a remarkable job cleaning up automotive emissions. The exchange is brief but warmly nostalgic, with Monica getting teased for being approximately 8 years old at the time.
-
Dax's curiosity about Jim Rouse opens one of the episode's richest veins. Norton describes a grandfather who was orphaned as a teen, lived a Huck Finn existence on the Chesapeake Bay, hustled pool and played poker so well he never touched his Navy pay, and wore fishing lures in his hat to serious meetings without any trace of irony. Rouse became one of America's most influential urban thinkers — taught at Harvard, on the cover of Time magazine — and gave Frank Gehry one of his first commissions in 1967, a building still displayed in Gehry Architects' lobby today. [1] — Edward Norton "Edward Norton's grandfather Jim Rouse predicted in the 1950s that the interstate highway system would hollow out American cities — and spen…" 07:48 On Eisenhower's Housing Commission in the 1950s, Rouse predicted that the interstate highway system would drive suburban sprawl and hollow out American cities — a phrase he's credited with helping popularize. His solution: revitalize downtown marketplaces like Baltimore's Inner Harbor, Boston's Faneuil Hall, and New York's South Street Seaport. He gave almost all his money to the Enterprise Community Partners low-income housing organization.
-
Dax frames his central fascination with Norton: from the outside, Norton seems to operate with an almost serene non-attachment — declining The Avengers (and potentially hundreds of millions of dollars), taking long breaks between films, appearing immune to the volume-game mentality of the industry. But Norton corrects the record. He draws a sharp distinction between how things appear from outside and the reality inside his own head. No actor, he insists, truly shuts off the narcissistic competitive brain — the voice that asks 'Why didn't I get sent that?' or 'I would have done that better.' He is not immune to that. The conversation touches on how his grandfather's relationship to money (he gave it all away) and his own early frugality shaped his relationship to wealth, with Dax comparing him to Nick Kroll, whose billionaire father liberated him to pursue pure creative interest.
-
Far from a privileged launch pad, Norton's early New York years were an exercise in radical financial engineering. He bought a ledger book and wrote down every single expenditure — subway tokens, muffins, everything — to calculate the irreducible minimum: $11,000 a year. [1] — Edward Norton "Living on $11K/year in 1993 NYC: Edward Norton calculated he could survive as an actor in New York City on just $11,000 a year, renting a $…" 19:45 A $400/month rent-stabilized apartment was the cornerstone. No car: if he'd needed gas, the math wouldn't have worked. Dax immediately recognizes the strategy — he did the same thing in LA on $8,000 a year — and both men laugh at how the absence of car costs made the plan viable. Norton spots a vintage Toyota Corolla FX-16 GTS on the 101 and is flooded with memory. The episode's undercurrent of two men who earned their security the hard way surfaces clearly here.
-
This is one of the conversation's most crystalline passages. Norton draws a clean theoretical line between two kinds of actors. Iconic performers — Eastwood, Ford — personify something we need: a quality, a presence, a gravity. We return to them precisely because they give us the same essential thing, like Greek gods. Shapeshifters, by contrast, are not the subject — they are the instrument. [1] — Edward Norton "There are people who are, in the Joseph Campbell sense, the shapeshifter. We need iconic performers because they represent something, they …" 22:32 Norton places himself firmly in the second category: someone who absorbs the world, processes it through himself, and channels it outward. He borrows the 'mother bird' image Dax offers — eating, then regurgitating back — and extends it into a philosophical statement about why acting is, for him, a joyride through diverse strange experiences. The joy isn't in being seen; it's in the absorption and transmission.
-
The conversation turns technical in a fascinating way. Norton explains that people who are gifted mimics share a specific ability: not just to hear a voice accurately, but to intuit where it physically lives — whether a person speaks from their forward mouth or their chest or deep in the back — and then replicate that physical placement. He compares it to Steph Curry knowing the exact distance to the basket in a way that transcends conscious calculation. Dax connects this to Kristen Bell's musical training in voice placement. Norton illustrates with a vivid anecdote: shooting Death to Smoochy with Danny DeVito, Norton had privately decided his character was Woody Harrelson. On day one, DeVito came from behind the monitor: 'Is that Woody?' Norton had never said a word. [1] — Edward Norton "Great mimicry isn't just a sharp ear — it's knowing where a voice physically lives in the body. Norton can intuitively sense whether a voic…" 26:15 The section closes on the emotional rather than analytical nature of the mimic's experience: it isn't clinical — it's joyful, almost empathic.
-
Dax and Monica break for a series of sponsor reads. Allstate is pitched with a humorous anecdote about running out of gas and is promoted for both its auto insurance savings and its roadside assistance plan. A straight public-health segment covers Peyronie's disease — scar tissue causing penile curvature — directing listeners to talkaboutpd.com. Helix Sleep is promoted with Monica praising her years-old mattress for retaining its shape and Dax highlighting cooling options for hot sleepers. SoFi is pitched as offering over 8x the national average savings rate with eligible direct deposit, plus a $300 welcome bonus.
-
Norton briefly discusses the SNL Wes Anderson horror film sketch, revealing that Seth Meyers named it The Midnight Coterie of Sinister Intruders and that Norton actually texted Wes Anderson to ask what he'd title a horror film — receiving The Cruelers in the Wispen within seconds. This leads naturally into Dax's question about Norton's career logic. Norton articulates it simply: he has never viewed filmmaking as selling widgets. The people who inspired him to act were never in the volume game. He only pursues things that 'get under his skin' and give him that particular tickle of not-quite-knowing how to unlock them. He's not a resistor of opportunity — he simply doesn't find enough things worth doing.
-
When Jim Mangold approached Norton about A Complete Unknown, Norton's first instinct was skepticism bordering on snobbery: the Dylan mythology is sacred, the iconic figures unplayable, the whole project potentially inadvisable. Mangold cut through it by pointing out that there are 'a shit ton of people who don't know a thing about Bob Dylan,' and that the real subject of the film was a specific collision between young artists and their times — the willingness to lean in with everything they had. That argument landed. Joan Baez, Norton notes, famously said Dylan was the most apolitical person she ever knew — yet what he channeled was absolutely real. The project flipped from anxiety to joy because it gave Norton permission to marinate in folk music and Dylan's world — his version of getting to absorb and transmit.
-
The Invite has an origin story that reads like a film itself. Years ago, Norton watched the Spanish film Sentimental — a sparkling chamber comedy about two couples in an apartment — and immediately thought: 'I'm going to call Seth or Carell, I'll direct it, I won't change much, we'll shoot it in 15 days.' He tried to buy the rights; they were already taken. He called the producer to pitch himself as director; the producer went another way. For a couple of years, Norton nursed the frustration of the one that got away. Then a text from Seth Rogen arrived: Olivia Wilde was attached. Was Norton interested? Norton recounts the moment with something like disbelief — the currents of the stream had brought it back around after all. He had been patient without even intending to be.
-
Wilde's directorial approach on The Invite is the episode's creative centerpiece. She shot the film in strict page order — a nearly unheard-of choice when hundreds of people are standing around — betting that each scene's discoveries would organically build toward a deeper ending than the script anticipated. She didn't just allow actors to create their own characters; she actively invited it. Penélope Cruz brought in her interests in menopause and Esther Perel. Norton incorporated details from his late friend Julian Sands — the rugs, the carpets — into his character. The mantra she kept repeating: 'We're gonna stitch the parachute on the way down, but it's gonna open.' [1] — Edward Norton "Olivia Wilde shot The Invite in strict script page order — betting each scene's discoveries would build organically toward a deeper ending …" 45:00 Norton places this experience alongside working with Milos Forman, Spike Lee, and Iñárritu on Birdman. He notes that the mind required for directing and the state required for acting are in direct opposition — and Wilde managed both simultaneously while giving a performance worthy of Gena Rowlands or Diane Keaton.
-
Norton describes a practice he brings to every role: writing out a character's secret backstory, whether or not it ever appears on screen. For his Pete Seeger in A Complete Unknown, he found a piece of Seeger's own writing about the world as a 'teaspoon brigade' — incremental, collective progress — and carried it as his private mantra. When Mangold wasn't satisfied with the final scene, Norton offered it. Mangold's response was immediate: 'That's the scene.' [1] — Edward Norton "For the pivotal final scene between Pete Seeger and Bob Dylan in A Complete Unknown, director Jim Mangold wasn't happy with what they had. …" 53:50 This connects to his method on The Invite, where Norton told Olivia Wilde he had an idea for his character's reveal — and she responded by setting up cameras on herself and Seth Rogen so they could film their genuine first reaction. Norton could barely get through his own speech without losing it. The idea of a director filming her own authentic response, rather than a rehearsed one, is something Norton returns to again and again as the single most powerful act of directorial trust he has experienced.
-
Norton recounts how The Invite's most pivotal scene came together in the most uncontrolled way imaginable. Wilde asked Norton not to tell her what his character's backstory speech would be. She set up the cameras on herself and Seth Rogen so she could capture their genuine first reactions. [1] — Edward Norton "She literally said, 'I want to film myself hearing it for the first time.' I'll be the tester. I can't really come up with a way in which a…" 55:49 Norton could barely get through his own rehearsal without being moved. When he delivered it on set, Seth Rogen — who had not heard it either — initially thought it was too long and too serious. His improvised, magnificently rude rebuttal was so real that Norton had to turn away to avoid visibly bursting out laughing. That reaction then pinballed into Penélope Cruz, whose response to Seth's response ignited a fight between her and Norton that led the film into its deeper, more consequential register. None of this was planned. All of it was Wilde letting things cascade, sitting there in a state of trust that Norton describes as theater rehearsal at its finest.
-
Norton offers a passionate defense of Seth Rogen against the 'Houseplant stoner' caricature. Rogen, he insists, may have the most extraordinary work ethic of anyone he knows. When a scene isn't working, Rogen quietly opens his laptop and starts rewriting. What looks like spontaneous improv is often backed by a page of brainstormed material. In The Invite, Rogen is allowed to go to places Norton compares to Richard Dreyfuss in The Goodbye Girl — real pain, real sourness, real anger without the comedy buffer. The section ends warmly: Norton recommends watching The Invite with another couple, going straight to dinner afterward, and having the honest conversation it provokes. He invokes the Swedish film Force Majeure as a model — the kind of movie that generates the most brutally honest couple conversations imaginable.
-
Dax reads for ServiceNow, describing AI specialists that handle busy work from start to finish so teams can focus on what matters. He pivots to Arm & Hammer Baking Soda Toothpaste, with Norton and Monica joining for a playful multi-voice read comparing complicated coffee orders to simple toothpaste. Pacific Life closes the break with a message about financial confidence and the 'power of a promise' — directing listeners to ask a financial professional.
-
Norton says Force Majeure produces the most honest conversations among couples he's ever witnessed. After seeing it, he went to lunch with other couples. When it came around to him, he said without hesitation: if he grabbed his phone and ran, he would simply never return. There would be no recovery from that. [1] — Edward Norton "The Swedish film Force Majeure, in which a man grabs his phone and runs from an avalanche while his family sits frozen, generates brutally …" 1:17:35 Dax raises the deeper point: you think you know how you'd behave in the avalanche — until the avalanche comes. Mike Tyson's adage about game plans applies. The conversation is brief but cuts deep, providing a real-life mirror for the themes The Invite explores about long-term relationships and what we discover about ourselves under pressure.
-
Dax describes how a chance remark from ADHD expert Gabor Maté led him to embrace the patterns he recognizes in himself. Norton is skeptical of the broader culture around these labels — specifically Silicon Valley's tendency to romanticize being on the autism spectrum as a personality brand, with people who are 'basically just assholes' claiming it as a superpower. [1] — Edward Norton "Norton says Silicon Valley has done a number on society by romanticizing the idea of being on the autism spectrum. Too many people who are …" 1:17:10 Yet Norton is willing to discuss his own extraordinary memory. He describes it as fundamentally auditory and eidetic: if he hears or speaks something once with focus, he essentially has it permanently. He learns lines by saying them aloud. He connects this to his father, a U.S. attorney litigator — combining a perfect memory with cross-examination instincts creates real relational friction. Esther Perel has given him tips.
-
The conversation lifts into something close to philosophy. Dax reflects that as a young man he was drawn to Howard Roark-style conviction — pure certainty, no compromise. Now he's 'horny for humility' instead. Norton agrees, and articulates the shift in terms of the creative process: young creativity is a flex, an act of self-definition. Mature creativity, if you're fortunate enough to sustain it, becomes discovery. [1] — Edward Norton "Youthful creativity is often a flex. And maybe if you're lucky and you get to keep being creative, you get to the place where it's more dis…" 1:13:31 You walk in without predispositions, make yourself available to what comes, and find things better than what you planned. Norton offers a reframe for emotional life too: replace 'happiness' with 'expansion,' replace 'unhappiness' with 'constriction.' The lighter your hold, the more available you are — and paradoxically, the happier you become.
-
Dax raises Richard Gere as a possible explanation for Norton's grounded relationship to his career. Norton recounts the full story: while shooting Primal Fear, convinced he might never work again, he was putting his $50-per-day per diem in an envelope under the mattress of his crappy efficiency apartment near the Sunset Marquee. Gere — who traveled with extraordinary guitars and had one of the largest private collections in the world, later sold at Sotheby's for approximately $1.5 million — took Norton to Voltage Guitars off Sunset. Norton found a 1969 Martin D-35, priced at $1,395. He hesitated. Gere said: 'Are you taking your per diem and keeping it in an envelope? You're going to give it to me tomorrow, because you only live once. And this won't be your last gig.' [1] — Edward Norton "While shooting Primal Fear, a young Norton was hoarding his per diem under his mattress, convinced the movie might be his last job. Richard…" 1:49:40 Norton calls it his favorite guitar he has ever bought — a physical embodiment of permission to walk into a new phase of life.
-
The episode's warmest personal passage. At a vegan restaurant, Dax and Kristen had hidden their ultrasound in their menu to announce their pregnancy. When they flipped it over, Norton and Shawna flipped their own — the same. The due dates were identical. Both men describe the moment as bordering on the surreal, something neither quite believes actually happened. Norton screamed. Dax recalls immediately wanting to leave the vegan restaurant and get a burger. [1] — Edward Norton "At a vegan restaurant, Dax and Kristen hid an ultrasound photo in their menu to surprise Edward and Shawna Norton with their pregnancy news…" 1:59:52 The fact that Shawna had originally introduced Dax and Kristen gave the coincidence an almost fated quality — she had already set one chain of events in motion, and here it was doubling back on itself.
-
The conversation winds down through parenting, ego, and the state of the world. Norton articulates a core belief about raising children: what matters most is modeling — showing a child what it looks like to be an adult who listens, asks questions, and manages emotions, rather than telling them how to behave while doing the opposite. He connects this to the creative lessons of The Invite. Then he pauses on the broader world: with Gaza being livestreamed and brutality in every corner of public life, personal ego and personal achievements feel difficult to get off on. The schizophrenic scroll — Gaza, then a guy jumping a car over a river, then a heartwarming reunion — is, he says, genuinely unhealthy. Dax closes by calling The Invite the date movie of the summer and saying watching Edward Norton perform is like watching Valentino ride a motorcycle.
-
The Fact Check is wide-ranging. Monica confirms Edward Norton's middle name is Harrison, after his maternal grandmother Betty Kent Harrison — not after Harrison Ford. The $6.5 billion respiratory cost figure Norton cited for California port emissions turns out to be a national statistic from a 2011 study; the California-specific data shows diesel death zones have asthma hospitalization rates up to 8 times the county average and life expectancies up to 8 years lower. [1] — Monica Padman "RDJ MCU earnings: $386–$421M: Robert Downey Jr.'s reported total MCU salary ranges from $386 to $421 million, according to Comic Book Resou…" 2:05:35 Car efficiency data from major manufacturers is reviewed, with Tesla topping at 120.6 MPGe and Ford at 23.2 MPG, with Dax noting that trucks skew American brands' averages. The conversation pivots to Robert Downey Jr.'s Marvel earnings — $386 to $421 million total according to Comic Book Resources — and Dax's claim that Disney offered Johnny Depp $301 million to return to Pirates of the Caribbean after Depp had declared he'd never do it for $300 million.
-
The episode's most science-forward and most comedically unhinged sequence runs together. Dax delivers a surprisingly lucid explanation of epigenome science: aging isn't driven by DNA change but by the accumulation of errors in the epigenome — the regulatory layer above DNA — that alter which genes get switched on or off. Mice have had their epigenomes pruned back to a pre-error state, effectively reversing their biological age. [1] — Dax Shepard "Aging isn't in your DNA — it's in your epigenome, the layer above DNA that switches genes on and off and accumulates errors over time. Scie…" 1:55:40 The first human trial has started. This launches a genuinely funny-dark hypothetical about what age Monica would reset to and the ethical and practical consequences — touching on consent, dating, egg retrieval, airline points as a parallel (Dax admits he's never used a single point), taste buds, and the Mike Nichols biography confirmation. A university study of 30,000 athletes concluding that the gap between no exercise and a little exercise is enormous rounds out the facts. Monica signs off by announcing the show is going on summer hiatus for Fact Checks.
-
Monica and Dax wrap the Fact Check segment with mutual laughter about the episode being 'cancelable almost' given how far they went. Monica reassures listeners that new interview episodes will continue through summer — only the Fact Checks will be reruns, and those will be available on audio only, not YouTube. A final Allstate sponsor read plays out, this time with the humorous scenario of locking your keys in the car. The episode closes on a note of cheerful self-awareness.
- Epigenome
- The layer of chemical modifications above the DNA sequence that controls which genes are switched on or off; Dax Shepard described it as the true driver of aging when it accumulates errors over time.
- Eidetic memory
- The ability to recall images, sounds, or objects with extraordinary precision and detail; Edward Norton used it to describe his near-photographic auditory memory for lines and music.
- Suburban sprawl
- The expansion of low-density residential and commercial development outward from city centers into previously undeveloped land; Jim Rouse was described as an early predictor and critic of this phenomenon in the 1950s.
- Shapeshifter (Joseph Campbell)
- An archetypal figure in Joseph Campbell's mythology framework who transforms and adapts rather than embodying a fixed identity; Edward Norton used it to describe a class of actors who are vessels for external forces rather than iconic fixed presences.
- Catalytic converter
- A device in a vehicle's exhaust system that converts toxic pollutants like nitrogen oxides and carbon monoxide into less harmful substances through a chemical reaction; discussed as the car-world analogue to Norton's ship-emissions technology.
- Nitrous oxide (NOx)
- A harmful air pollutant emitted by diesel engines that contributes to smog and respiratory disease; cited by Edward Norton as one of the primary toxins his barge company captures from cargo ships.
- Sulfur dioxide (SO₂)
- A toxic gas produced by burning sulfur-containing fuels like those used in large cargo ships; alongside particulate matter and NOx, it is one of the main pollutants Norton's port-emissions system targets.
- Particulate matter
- Microscopic solid or liquid particles suspended in the air, produced by combustion engines; long-term exposure is linked to lung cancer, asthma, and cardiovascular disease.
- Rent-stabilized apartment
- A rental unit in certain U.S. cities where local regulations limit how much a landlord can raise the rent each year; Edward Norton credited finding one at $400/month in 1993 as essential to his survival as a struggling actor.
- DSM
- Diagnostic and Statistical Manual of Mental Disorders; the American Psychiatric Association's official classification system for mental health conditions, referenced by Dax Shepard in a discussion about whether ADHD and neurodivergence are true pathologies or behavioural patterns.
- Neurodivergent
- A term describing brain function that differs from what is considered neurotypical, encompassing conditions like autism, ADHD, and dyslexia; both Norton and Shepard debated whether the term is being diluted by casual self-identification.
- Autodidact
- A self-taught person who acquires knowledge independently rather than through formal instruction; Edward Norton described Dax Shepard as a genuine autodidact who voraciously pursues knowledge across many fields.
- Esther Perel
- Belgian psychotherapist and author renowned for her work on modern relationships, desire, and erotic intelligence; mentioned as an influence on Penélope Cruz's character in The Invite and as someone Edward Norton met at a conference.
- Per diem
- A daily allowance paid to film and TV cast and crew to cover expenses such as food and incidentals while on location; Norton described hoarding his $50–$75 daily per diem in an envelope under his mattress during Primal Fear.
- Mitosis
- The process by which a cell duplicates its nucleus and divides to produce two genetically identical daughter cells; Dax Shepard explained it as the mechanism underlying cellular aging — and why neurons, which largely do not undergo mitosis, are not subject to the same age-related errors.
- Teaspoon brigade
- A metaphor attributed to Pete Seeger describing collective, incremental effort to make the world better — small contributions adding up; Edward Norton used it as his personal mantra for his Pete Seeger character in A Complete Unknown.
- Peyronie's disease
- A condition in which scar tissue builds up under the penile skin, causing curvature or pain during erection; mentioned in a sponsor segment as a treatable but often undiscussed condition.
- Flow state
- A mental state of full immersion and energized focus in an activity, coined by psychologist Mihaly Csikszentmihalyi; Edward Norton used it to describe Alejandro González Iñárritu and Emmanuel Lubezki working together on Birdman, and Olivia Wilde during The Invite.
Chapter 2 · 03:50
The Port-Emissions Barge: Sucking Poison from Ships
Coming straight from Santa Monica where he had been raising capital, Norton launches into a description of his port-emissions company that immediately startles Monica. The barge carries a 15-story crane — originally built for concrete delivery to high-rise construction sites — that hovers above a ship's smokestack and acts like a massive catalytic converter, transforming nitrogen oxides and sulfur dioxide into harmless air. Norton notes that while CO2 regulations remain contentious, even the Trump-era EPA regulated NOx and SO2 because they kill people — causing lung cancer and asthma. He cites a figure suggesting California port emissions generate $6.5 billion in annual respiratory health costs, a stat later partially fact-checked by Monica in the show's Fact Check. The kicker: in just one year of deployment, the system captured pollution equivalent to 65 million cars. [1] — Edward Norton "Norton's barge uses a 15-story crane to hover above cargo ship smokestacks and capture nitrous oxide, sulfur dioxide, and particulate matte…" 04:04
Claims made here
Port emissions from California drive approximately $6.5 billion in annual respiratory health costs including cancer and asthma.
Norton's port-emissions company, operational since 2023, captured pollution equivalent to 65 million cars in a single year.
Norton's barge uses a 15-story crane to hover above cargo ship smokestacks and capture nitrous oxide, sulfur dioxide, and particulate matter — the poisons that cause cancer and asthma. In one year of deployment, it offset emissions equivalent to 65 million cars.
The crane on Norton's emissions-capture barge stands 15 stories high — originally designed for delivering concrete to high-rise construction sites — and hovers above cargo ships' smokestacks to extract toxic emissions.
Norton cited a stat that emissions from California ports drive approximately $6.5 billion in respiratory health costs — including cancer and asthma — in the state every year.
Norton's port-emissions barge company, operational since 2023, captured pollution equivalent to 65 million cars operating for an entire year — in just one year of deployment.
Edward Norton first came to Los Angeles in 1995 to shoot Primal Fear, the same year Dax Shepard also arrived — when smog was still visible over the San Gabriel Mountains.
Edward Norton's grandfather Jim Rouse predicted in the 1950s that the interstate highway system would hollow out American cities — and spent decades trying to reverse it. He gave Frank Gehry his first commission, sat on Eisenhower's Housing Commission, and gave away almost all his money to low-income housing.
Chapter 4 · 07:58
Jim Rouse: The Grandfather Who Predicted Suburban Sprawl
Dax's curiosity about Jim Rouse opens one of the episode's richest veins. Norton describes a grandfather who was orphaned as a teen, lived a Huck Finn existence on the Chesapeake Bay, hustled pool and played poker so well he never touched his Navy pay, and wore fishing lures in his hat to serious meetings without any trace of irony. Rouse became one of America's most influential urban thinkers — taught at Harvard, on the cover of Time magazine — and gave Frank Gehry one of his first commissions in 1967, a building still displayed in Gehry Architects' lobby today. [1] — Edward Norton "Edward Norton's grandfather Jim Rouse predicted in the 1950s that the interstate highway system would hollow out American cities — and spen…" 07:48 On Eisenhower's Housing Commission in the 1950s, Rouse predicted that the interstate highway system would drive suburban sprawl and hollow out American cities — a phrase he's credited with helping popularize. His solution: revitalize downtown marketplaces like Baltimore's Inner Harbor, Boston's Faneuil Hall, and New York's South Street Seaport. He gave almost all his money to the Enterprise Community Partners low-income housing organization.
Claims made here
Frank Gehry's first major building commission outside Dennis Hopper's house was given by Jim Rouse in 1967, and is displayed in the lobby of Gehry Architects today.
Jim Rouse served on Eisenhower's Housing Commission in the 1950s and was one of the first to predict suburban sprawl and the hollowing out of American cities.
Jim Rouse, Edward Norton's grandfather, gave Frank Gehry one of his first architectural commissions in 1967 — a building still displayed in Gehry Architects' lobby today.
Jim Rouse served on Eisenhower's Housing Commission in the 1950s and was among the first to predict that the interstate highway system would hollow out cities by driving suburban sprawl.
Dax Shepard noted that Edward Norton declined The Avengers franchise, waving goodbye to what Dax estimated at $40 million or more — potentially hundreds of millions across sequels.
Chapter 5 · 13:15
The Loose Grip: How Norton Holds His Career
Dax frames his central fascination with Norton: from the outside, Norton seems to operate with an almost serene non-attachment — declining The Avengers (and potentially hundreds of millions of dollars), taking long breaks between films, appearing immune to the volume-game mentality of the industry. But Norton corrects the record. He draws a sharp distinction between how things appear from outside and the reality inside his own head. No actor, he insists, truly shuts off the narcissistic competitive brain — the voice that asks 'Why didn't I get sent that?' or 'I would have done that better.' He is not immune to that. The conversation touches on how his grandfather's relationship to money (he gave it all away) and his own early frugality shaped his relationship to wealth, with Dax comparing him to Nick Kroll, whose billionaire father liberated him to pursue pure creative interest.
Chapter 6 · 19:10
Living on $11,000 a Year: The New York Ledger
Far from a privileged launch pad, Norton's early New York years were an exercise in radical financial engineering. He bought a ledger book and wrote down every single expenditure — subway tokens, muffins, everything — to calculate the irreducible minimum: $11,000 a year. [1] — Edward Norton "Living on $11K/year in 1993 NYC: Edward Norton calculated he could survive as an actor in New York City on just $11,000 a year, renting a $…" 19:45 A $400/month rent-stabilized apartment was the cornerstone. No car: if he'd needed gas, the math wouldn't have worked. Dax immediately recognizes the strategy — he did the same thing in LA on $8,000 a year — and both men laugh at how the absence of car costs made the plan viable. Norton spots a vintage Toyota Corolla FX-16 GTS on the 101 and is flooded with memory. The episode's undercurrent of two men who earned their security the hard way surfaces clearly here.
In 1992–93, Norton kept a meticulous financial ledger — every subway token, every muffin — and determined he could survive as an actor in New York on just $11,000 a year in a $400/month rent-stabilized apartment. It was the same strategy Dax Shepard used in LA.
Edward Norton calculated he could survive as an actor in New York City on just $11,000 a year, renting a $400/month rent-stabilized apartment and tracking every subway token and muffin.
Some actors — Clint Eastwood, Harrison Ford — are iconic: we seek them out for a fixed set of qualities they personify. Others are shapeshifters in the Joseph Campbell sense: vessels that channel something external. Norton has always known he is the latter.
Chapter 7 · 22:00
Iconic vs. Shapeshifter: Two Species of Actor
This is one of the conversation's most crystalline passages. Norton draws a clean theoretical line between two kinds of actors. Iconic performers — Eastwood, Ford — personify something we need: a quality, a presence, a gravity. We return to them precisely because they give us the same essential thing, like Greek gods. Shapeshifters, by contrast, are not the subject — they are the instrument. [1] — Edward Norton "There are people who are, in the Joseph Campbell sense, the shapeshifter. We need iconic performers because they represent something, they …" 22:32 Norton places himself firmly in the second category: someone who absorbs the world, processes it through himself, and channels it outward. He borrows the 'mother bird' image Dax offers — eating, then regurgitating back — and extends it into a philosophical statement about why acting is, for him, a joyride through diverse strange experiences. The joy isn't in being seen; it's in the absorption and transmission.
Chapter 8 · 25:20
The Mimic's Gift: Locating Voices in the Body
The conversation turns technical in a fascinating way. Norton explains that people who are gifted mimics share a specific ability: not just to hear a voice accurately, but to intuit where it physically lives — whether a person speaks from their forward mouth or their chest or deep in the back — and then replicate that physical placement. He compares it to Steph Curry knowing the exact distance to the basket in a way that transcends conscious calculation. Dax connects this to Kristen Bell's musical training in voice placement. Norton illustrates with a vivid anecdote: shooting Death to Smoochy with Danny DeVito, Norton had privately decided his character was Woody Harrelson. On day one, DeVito came from behind the monitor: 'Is that Woody?' Norton had never said a word. [1] — Edward Norton "Great mimicry isn't just a sharp ear — it's knowing where a voice physically lives in the body. Norton can intuitively sense whether a voic…" 26:15 The section closes on the emotional rather than analytical nature of the mimic's experience: it isn't clinical — it's joyful, almost empathic.
Great mimicry isn't just a sharp ear — it's knowing where a voice physically lives in the body. Norton can intuitively sense whether a voice resonates in the chest, the forward mouth, or the back — and it's this physical locating, not just hearing, that separates him from ordinary impressionists.
Shooting Death to Smoochy, Norton had privately decided his character was Woody Harrelson — but never told anyone. On the first day, Danny DeVito watched from behind the monitor, then popped up: 'What is that? Is that Woody?' Norton had found the character without even realizing he'd voiced his choice aloud.
Chapter 11 · 39:40
A Complete Unknown: Skepticism Turned to Joy
When Jim Mangold approached Norton about A Complete Unknown, Norton's first instinct was skepticism bordering on snobbery: the Dylan mythology is sacred, the iconic figures unplayable, the whole project potentially inadvisable. Mangold cut through it by pointing out that there are 'a shit ton of people who don't know a thing about Bob Dylan,' and that the real subject of the film was a specific collision between young artists and their times — the willingness to lean in with everything they had. That argument landed. Joan Baez, Norton notes, famously said Dylan was the most apolitical person she ever knew — yet what he channeled was absolutely real. The project flipped from anxiety to joy because it gave Norton permission to marinate in folk music and Dylan's world — his version of getting to absorb and transmit.
Chapter 12 · 42:40
The Invite: From Spanish Film Obsession to Serendipity
The Invite has an origin story that reads like a film itself. Years ago, Norton watched the Spanish film Sentimental — a sparkling chamber comedy about two couples in an apartment — and immediately thought: 'I'm going to call Seth or Carell, I'll direct it, I won't change much, we'll shoot it in 15 days.' He tried to buy the rights; they were already taken. He called the producer to pitch himself as director; the producer went another way. For a couple of years, Norton nursed the frustration of the one that got away. Then a text from Seth Rogen arrived: Olivia Wilde was attached. Was Norton interested? Norton recounts the moment with something like disbelief — the currents of the stream had brought it back around after all. He had been patient without even intending to be.
Olivia Wilde shot The Invite in strict script page order — betting each scene's discoveries would build organically toward a deeper ending than anyone had planned. She encouraged actors to create their own characters, incorporated Penélope Cruz's interest in menopause and Esther Perel, and then filmed herself hearing Norton's climactic monologue for the very first time. Norton calls it the greatest act of directorial trust he's experienced in 30 years.
Chapter 13 · 45:20
Olivia Wilde's Process: Trust, Page Order, and the Parachute
Wilde's directorial approach on The Invite is the episode's creative centerpiece. She shot the film in strict page order — a nearly unheard-of choice when hundreds of people are standing around — betting that each scene's discoveries would organically build toward a deeper ending than the script anticipated. She didn't just allow actors to create their own characters; she actively invited it. Penélope Cruz brought in her interests in menopause and Esther Perel. Norton incorporated details from his late friend Julian Sands — the rugs, the carpets — into his character. The mantra she kept repeating: 'We're gonna stitch the parachute on the way down, but it's gonna open.' [1] — Edward Norton "Olivia Wilde shot The Invite in strict script page order — betting each scene's discoveries would build organically toward a deeper ending …" 45:00 Norton places this experience alongside working with Milos Forman, Spike Lee, and Iñárritu on Birdman. He notes that the mind required for directing and the state required for acting are in direct opposition — and Wilde managed both simultaneously while giving a performance worthy of Gena Rowlands or Diane Keaton.
Olivia Wilde made the unusual directorial decision to shoot The Invite in strict script page order, betting that improvised discoveries would compound into a richer, unexpected ending.
Chapter 14 · 53:20
Pete Seeger's Teaspoon Brigade and the Final Scene
Norton describes a practice he brings to every role: writing out a character's secret backstory, whether or not it ever appears on screen. For his Pete Seeger in A Complete Unknown, he found a piece of Seeger's own writing about the world as a 'teaspoon brigade' — incremental, collective progress — and carried it as his private mantra. When Mangold wasn't satisfied with the final scene, Norton offered it. Mangold's response was immediate: 'That's the scene.' [1] — Edward Norton "For the pivotal final scene between Pete Seeger and Bob Dylan in A Complete Unknown, director Jim Mangold wasn't happy with what they had. …" 53:50 This connects to his method on The Invite, where Norton told Olivia Wilde he had an idea for his character's reveal — and she responded by setting up cameras on herself and Seth Rogen so they could film their genuine first reaction. Norton could barely get through his own speech without losing it. The idea of a director filming her own authentic response, rather than a rehearsed one, is something Norton returns to again and again as the single most powerful act of directorial trust he has experienced.
For the pivotal final scene between Pete Seeger and Bob Dylan in A Complete Unknown, director Jim Mangold wasn't happy with what they had. Norton had been privately carrying Pete Seeger's own writing about the world as a 'teaspoon brigade' as his mantra — and when he shared it, Mangold immediately said: 'That's the scene.'
Chapter 16 · 1:00:50
Seth Rogen's Hidden Work Ethic and The Invite as a Date Movie
Norton offers a passionate defense of Seth Rogen against the 'Houseplant stoner' caricature. Rogen, he insists, may have the most extraordinary work ethic of anyone he knows. When a scene isn't working, Rogen quietly opens his laptop and starts rewriting. What looks like spontaneous improv is often backed by a page of brainstormed material. In The Invite, Rogen is allowed to go to places Norton compares to Richard Dreyfuss in The Goodbye Girl — real pain, real sourness, real anger without the comedy buffer. The section ends warmly: Norton recommends watching The Invite with another couple, going straight to dinner afterward, and having the honest conversation it provokes. He invokes the Swedish film Force Majeure as a model — the kind of movie that generates the most brutally honest couple conversations imaginable.
Seth Rogen is broadly known for Houseplant and weed jokes, but Norton says he has possibly the most incredible work ethic of anyone he knows. If something isn't working, Rogen quietly opens his laptop and starts rewriting — his seemingly spontaneous improvisations are usually backed by pages of brainstormed notes.
Chapter 19 · 1:10:25
Neurodivergence, Memory, and the Silicon Valley Romanticization
Dax describes how a chance remark from ADHD expert Gabor Maté led him to embrace the patterns he recognizes in himself. Norton is skeptical of the broader culture around these labels — specifically Silicon Valley's tendency to romanticize being on the autism spectrum as a personality brand, with people who are 'basically just assholes' claiming it as a superpower. [1] — Edward Norton "Norton says Silicon Valley has done a number on society by romanticizing the idea of being on the autism spectrum. Too many people who are …" 1:17:10 Yet Norton is willing to discuss his own extraordinary memory. He describes it as fundamentally auditory and eidetic: if he hears or speaks something once with focus, he essentially has it permanently. He learns lines by saying them aloud. He connects this to his father, a U.S. attorney litigator — combining a perfect memory with cross-examination instincts creates real relational friction. Esther Perel has given him tips.
Young creativity is often about defining yourself — a flex. If you're lucky enough to keep creating into maturity, you arrive at a place where it's more about discovery: walking into a room without predispositions, making yourself available to what comes, and finding things better than what you planned.
Chapter 20 · 1:16:00
From Flex to Discovery: On Aging as a Creative Person
The conversation lifts into something close to philosophy. Dax reflects that as a young man he was drawn to Howard Roark-style conviction — pure certainty, no compromise. Now he's 'horny for humility' instead. Norton agrees, and articulates the shift in terms of the creative process: young creativity is a flex, an act of self-definition. Mature creativity, if you're fortunate enough to sustain it, becomes discovery. [1] — Edward Norton "Youthful creativity is often a flex. And maybe if you're lucky and you get to keep being creative, you get to the place where it's more dis…" 1:13:31 You walk in without predispositions, make yourself available to what comes, and find things better than what you planned. Norton offers a reframe for emotional life too: replace 'happiness' with 'expansion,' replace 'unhappiness' with 'constriction.' The lighter your hold, the more available you are — and paradoxically, the happier you become.
Norton says Silicon Valley has done a number on society by romanticizing the idea of being on the autism spectrum. Too many people who are 'basically just assholes' are rebranding that as a superpower — and it cheapens a real condition that genuinely affects millions.
The Swedish film Force Majeure, in which a man grabs his phone and runs from an avalanche while his family sits frozen, generates brutally honest conversation among couples. At a lunch after seeing it, Norton admitted: if he did that, he would just keep running — start a new family — because there would be no recovery.
Chapter 24 · 1:26:36
Fact Check: Norton's Middle Name, Emissions Stats, Car Efficiency, and Marvel Money
The Fact Check is wide-ranging. Monica confirms Edward Norton's middle name is Harrison, after his maternal grandmother Betty Kent Harrison — not after Harrison Ford. The $6.5 billion respiratory cost figure Norton cited for California port emissions turns out to be a national statistic from a 2011 study; the California-specific data shows diesel death zones have asthma hospitalization rates up to 8 times the county average and life expectancies up to 8 years lower. [1] — Monica Padman "RDJ MCU earnings: $386–$421M: Robert Downey Jr.'s reported total MCU salary ranges from $386 to $421 million, according to Comic Book Resou…" 2:05:35 Car efficiency data from major manufacturers is reviewed, with Tesla topping at 120.6 MPGe and Ford at 23.2 MPG, with Dax noting that trucks skew American brands' averages. The conversation pivots to Robert Downey Jr.'s Marvel earnings — $386 to $421 million total according to Comic Book Resources — and Dax's claim that Disney offered Johnny Depp $301 million to return to Pirates of the Caribbean after Depp had declared he'd never do it for $300 million.
Claims made here
Aging is primarily caused by errors in the epigenome — not changes to DNA — and scientists have reversed aging in mice by pruning epigenomic damage back to a pre-error state.
The $6.5 billion respiratory cost statistic is actually a national figure from a 2011 study, not California-specific; California's specific stat is that diesel death zones have asthma hospitalization rates up to 8 times the county average and life expectancies up to 8 years lower.
While shooting Primal Fear, a young Norton was hoarding his per diem under his mattress, convinced the movie might be his last job. Richard Gere took him guitar shopping, found a 1969 Martin D-35, and bought it for Norton — telling him: 'You only live once. This won't be your last gig.'
Richard Gere owned one of the largest private guitar collections in the world at the time Norton knew him; it was later sold at Sotheby's for approximately $1.5 million.
Aging isn't in your DNA — it's in your epigenome, the layer above DNA that switches genes on and off and accumulates errors over time. Scientists have already reversed aging in mice by pruning the epigenome back to a pre-error state. The first human trial has now started. It is genuinely conceivable that people will one day select their own biological age.
Dax Shepard described how scientists have successfully reset the epigenome in mice to reverse aging and noted the first human trial of this approach has now begun.
At a vegan restaurant, Dax and Kristen hid an ultrasound photo in their menu to surprise Edward and Shawna Norton with their pregnancy news — only to flip their own menu over and reveal the same. The due dates were identical. Nobody believed it was real.
Chapter 25 · 2:04:10
Epigenome Anti-Aging, Age Hypotheticals, and the Last Fact Check
The episode's most science-forward and most comedically unhinged sequence runs together. Dax delivers a surprisingly lucid explanation of epigenome science: aging isn't driven by DNA change but by the accumulation of errors in the epigenome — the regulatory layer above DNA — that alter which genes get switched on or off. Mice have had their epigenomes pruned back to a pre-error state, effectively reversing their biological age. [1] — Dax Shepard "Aging isn't in your DNA — it's in your epigenome, the layer above DNA that switches genes on and off and accumulates errors over time. Scie…" 1:55:40 The first human trial has started. This launches a genuinely funny-dark hypothetical about what age Monica would reset to and the ethical and practical consequences — touching on consent, dating, egg retrieval, airline points as a parallel (Dax admits he's never used a single point), taste buds, and the Mike Nichols biography confirmation. A university study of 30,000 athletes concluding that the gap between no exercise and a little exercise is enormous rounds out the facts. Monica signs off by announcing the show is going on summer hiatus for Fact Checks.
Claims made here
The Mike Nichols biography was written by Mark Harris and published in 2021.
Robert Downey Jr.'s total MCU salary ranges from $386 to $421 million, not including cameos.
Taste buds begin forming in the womb around week 8 of pregnancy and are fully developed and connected to the brain by week 16.
In middle age, around 40 years old, the regeneration rate of taste buds begins to slow, leading to a gradual decline in the sense of taste.
A university study of 30,000 athletes found the gap between doing no exercise and doing a little is enormous, while the gap between moderate and heavy training is very small.
Robert Downey Jr.'s reported total MCU salary ranges from $386 to $421 million, according to Comic Book Resources, not including cameo appearances.
Robert Downey Jr. reportedly earned $75 million for both Avengers: Infinity War and Avengers: Endgame individually.
Dax Shepard reported that Disney offered Johnny Depp $301 million to return for another Pirates of the Caribbean film after Depp had vowed never to return for under $300 million.
A university study of 30,000 athletes found the improvement gap between doing nothing and doing a little exercise is enormous, while the gap between moderate and heavy training is very small.
No indexed bits in this chapter.
Show stoppers
Snapshots ()
Key Quotes ()
This episode
Cast
-
Director of The Invite, whose radical approach — shooting in page order and filming her own genuine first reaction to Norton's monologue — drew praise from Norton as the greatest act of directorial trust he has experienced in 30 years.
-
Co-star of The Invite who Norton praises for a ferocious work ethic beneath his casual comedy persona, and whose improvised reaction to Norton's climactic monologue became one of the film's defining moments.
-
Edward Norton's grandfather — a visionary city planner, inventor of the mall food court, and early predictor of suburban sprawl who served on Eisenhower's Housing Commission.
-
Co-star of The Invite who brought her interests in menopause, hormones, and Esther Perel into her character Pina, and whose genuine reaction to Norton's monologue was captured on film.
-
Folk legend portrayed by Edward Norton in A Complete Unknown; Norton discussed how he found Seeger's voice, rhythm, and the 'teaspoon brigade' mantra as the key to the performance.
-
Co-star of Primal Fear who mentored a young Edward Norton, taking him guitar shopping and buying him a 1969 Martin D-35 as a message of confidence in his career.
-
Subject of A Complete Unknown, portrayed by Timothée Chalamet; Dax and Norton debated whether Dylan was as politically intentional as mythology suggests.
-
Renowned relationship therapist referenced as an influence on Penélope Cruz's character in The Invite and discussed as someone Edward Norton and Shawna Norton admire deeply.
-
Iconic architect who received one of his first major building commissions from Jim Rouse in 1967; the building is displayed in the lobby of Gehry Architects today.
-
Director of A Complete Unknown who persuaded Norton to join the film by reframing it as a story about young artists leaning into their era rather than a Dylan biopic.
-
Discussed in the Fact Check as the benchmark for Marvel actor salaries, with reported MCU total earnings of $386–$421 million.
-
Edward Norton's environmental startup that uses a 15-story crane on a barge to capture toxic emissions from cargo ships in port, currently raising capital.
-
Jim Rouse's low-income housing nonprofit to which he donated almost all of his fortune.
-
The film at the center of this conversation, directed by Olivia Wilde and starring Norton, Seth Rogen, and Penélope Cruz — a remake of the Spanish film Sentimental, shot in a single apartment.
-
Film directed by Jim Mangold in which Edward Norton played Pete Seeger alongside Timothée Chalamet as Bob Dylan; Norton initially feared the project was inadvisable before being convinced by Mangold's framing.
-
Film directed by Alejandro González Iñárritu, starring Norton, discussed as a benchmark for creative directors in a flow state — alongside cinematographer Emmanuel Lubezki.
-
Spanish film by playwright Cesc Gay that Norton saw and immediately wanted to remake; it became the source material for The Invite.
-
Boston marketplace complex redeveloped by Jim Rouse as part of his urban revitalization strategy for downtown areas.
Stats
This episode
Claims & Sources
Factual claims made this episode, and whether a source was named.
Port emissions from California drive approximately $6.5 billion in annual respiratory health costs including cancer and asthma.
Norton's port-emissions company, operational since 2023, captured pollution equivalent to 65 million cars in a single year.
The Trump-era EPA regulated nitrous oxide and sulfur dioxide because they kill people and cause lung cancer, even without CO2 regulations.
Frank Gehry's first major building commission outside Dennis Hopper's house was given by Jim Rouse in 1967, and is displayed in the lobby of Gehry Architects today.
Jim Rouse served on Eisenhower's Housing Commission in the 1950s and was one of the first to predict suburban sprawl and the hollowing out of American cities.
Robert Downey Jr.'s total MCU salary ranges from $386 to $421 million, not including cameos.
The Mike Nichols biography was written by Mark Harris and published in 2021.
The $6.5 billion respiratory cost statistic is actually a national figure from a 2011 study, not California-specific; California's specific stat is that diesel death zones have asthma hospitalization rates up to 8 times the county average and life expectancies up to 8 years lower.
A university study of 30,000 athletes found the gap between doing no exercise and doing a little is enormous, while the gap between moderate and heavy training is very small.
Aging is primarily caused by errors in the epigenome — not changes to DNA — and scientists have reversed aging in mice by pruning epigenomic damage back to a pre-error state.
Taste buds begin forming in the womb around week 8 of pregnancy and are fully developed and connected to the brain by week 16.
In middle age, around 40 years old, the regeneration rate of taste buds begins to slow, leading to a gradual decline in the sense of taste.