France and Armenia put chess into schools to build general ability. Players multiplied, but measured abilities didn't move. A psychologist on why thinking doesn't transfer.
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Terence McKenna said mushrooms made early humans gentle. A mycologist says psilocybin only amplifies what you already believe, and that may be how religion began.
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Why can't we recall being a baby? A neurobiologist explains infantile amnesia, silent engrams, and why your earliest memory may be partly rebuilt from family stories.
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Some neurons fire for one cartoon and ignore all others. A neurobiologist explains how the brain builds a Simpsons cell from contrast and colour, and what we still can't explain.
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