tide predictor

Veritasium traces analog computers from the Antikythera mechanism and Kelvin's tide-predicting machines to fire control and modern analog approaches. It explains how these machines computed continuously rather than digitally.

Psychologist Irving Kirsch gives a distinguished lecture on antidepressant trials and the placebo effect. He argues drug-placebo differences are small outside severe depression.

A one-minute animated commercial for the antidepressant Zoloft, described as the original that inspired later sequels and parodies.

A clip of Jordan Peterson arguing that IQ is a strong predictor of job market success and that more complex jobs demand higher cognitive ability. He discusses what this means for people left behind.

A BBC Earth clip from The Hunt showing an octopus species from northern Australia that leaves the water at low tide to hunt crabs on land.

Bill Gross, who has founded and incubated many start-ups, ranked hundreds of companies on five factors. He presents the one factor that stood out as the biggest predictor of success.