Films

Mind & Body · 4:26

Hunter-gatherers rest about as many hours as we do, but not in a chair. One small trial tested hourly five-minute walks.

Attention & Dopamine · 4:29

Teen boredom kept rising after 2010, and skipping made people more bored in the lab. One trial took phone internet away for two weeks.

Environment · 4:52

The mouse utopia is shared as proof that crowding ends us. Tested on people it did not hold up; too many others, too often, did the harm.

Social Bonds · 4:59

Being left out runs an alarm wired close to the pain system. One trial found short listening calls eased it in four weeks.

Mind & Body · 5:23

Most tired people are sleeping enough. The cause is a kind of attention your day drains, and a walk refills it in under an hour.

Attention & Dopamine · 1:57

The panic says your brain is deteriorating. The evidence says it's being trained, deliberately, by people who studied how.

Attention & Dopamine · 2:12

You can't fast from a neurotransmitter. What a detox actually changes is the price of the reward, not the chemical.

Social Bonds · 1:58

The shared meal was the daily ritual that did the work of holding people together. The food was the smaller half of it.

Mind & Body · 2:31

Your body reads light to know what time it is. Modern indoor life gives it the wrong answer, all day and all night.

Social Bonds · 15:17

Friendship used to happen to you. Now it's an errand you schedule against a calendar that fights back.

Attention & Dopamine · 10:04

Oxford made it the word of the year, and even its own definition hedges. The mechanism underneath is older than the phone in your hand.

Attention & Dopamine · 1:17

Your reward system was built for scarce, real payoffs. It now runs inside an engineered slot machine.