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Tom Siegfried

Tom Siegfried | Knowable Magazine

Sequential illustrations showing the motion of a cat falling and landing on its feet, demonstrating the righting reflex.

Animals use physics? Let us count the ways

Cats twist and snakes slide, exploiting and negotiating physical laws. Scientists are figuring out how.

A man in a blue jersey holding a basketball participates in sports psychology.

Lessons from sports psychology research

Scientists are probing the head games that influence athletic performance, from coaching to coping with pressure.

Encyclopedias: Pliny the Elder’s radical idea to catalog knowledge

This year marks 2,000 years since the birth of the Roman author of the first natural encyclopedia.