The idea that humans only use 10% of their brain is a confirmed urban legend; scientists say people actually use 100% of their brain.
Snapshot · Matt and Shane's Secret Podcast
The idea that humans only use 10% of their brain is a confirmed urban legend; scientists say people actually use 100% of their brain.
Where this was said
At 39:51 · chapter starts 37:00
From the Belichick debate, the conversation wanders into urban legends and superstitions. Shane rants about the genre of online content that traces every modern custom to ancient pagan witchcraft — birthday candles, knock on wood — and frames them as malevolent rituals. Matt confirms that 'knock on wood' is not a summoning spell but rather traces to a children's tag game from the 1700s or 1800s where touching wood meant you were safe. Lemaire looks up the '10% of the brain' myth and confirms it is fully debunked — humans use their entire brain. The group then speculates that if you removed a piece of someone's brain, it would be a very bad time.
Bill Belichick won six Super Bowls as head coach of the New England Patriots, which the group agreed gives him considerable social latitude.
The phrase 'knock on wood' (or 'touch wood') likely originates from a children's game of tag in the 1700s-1800s where touching a tree counted as a safe base.
The widely cited ego-depletion model — the idea that willpower is a finite resource that gets depleted — failed to replicate in follow-up studies.
Humans are estimated to have 5,000–7,000 thoughts per day, yet can recall essentially none of them afterward, highlighting why in-the-moment emotional tracking matters.
A large Harvard study found that a wandering mind is an unhappy mind — people report greater happiness when their attention is tethered to the present, even if the task is unpleasant.
A key study finding that we have a 'credit card's worth of plastic' in our bodies was likely skewed because researchers used nitrile gloves that shed plastic particles onto the microplastic detector.
Emotionally sensitive people have a hyperactive amygdala, an underactive prefrontal cortex, and a frayed connection between the two — making emotional regulation structurally harder.
Rejection sensitivity can be observed as early as age 2 or 3, suggesting it has strong developmental and likely genetic roots.
A Yale study found that non-judgmental observation of emotions — without rushing to resolve them — reduces activation in the brain, making it a powerful regulation tool.
Dan Gilbert's research found that the psychological immune system — the brain's ability to justify and find satisfaction in choices — activates most powerfully when a decision is perceived as irreversible.
Barry Schwartz's research found that maximizers — people who try to optimize every decision — tend to achieve objectively better outcomes but report lower happiness than satisficers who choose 'good enough.'
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