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Steve Stewart-Williams

@SteveStuWill • 269,167 subscribers

Psychology, evolution, science. Author of "A Billion Years of Sex Differences" (2026) and "The Ape That Understood the Universe" (2018).

Shorts

We don’t directly perceive the color of objects in the world. Instead, our brains infer color based on local context. [Link below.]

We don’t directly perceive the color of objects in the world. Instead, our brains infer color based on local context. [Link below.]

696,155 Aufrufe

I don't know what I thought a mosquito laying eggs would look like, but this isn't it.

I don't know what I thought a mosquito laying eggs would look like, but this isn't it.

187,063 Aufrufe

Amazing time-lapse footage of a day in the life of a pair of pot plants. Plants are so much more active than we usually imagine! We don't notice, though, because they move in slow motion (or, from the plant's point of view, we move in crazy-fast motion).

Amazing time-lapse footage of a day in the life of a pair of pot plants. Plants are so much more active than we usually imagine! We don't notice, though, because they move in slow motion (or, from the plant's point of view, we move in crazy-fast motion).

142,661 Aufrufe

Humans aren't the only primates that swim. Lots of Old World monkeys do too, including many macaques (the monkeys in the video). Sometimes they do it to get from A to B; sometimes they forage for food in the water – and sometimes they swim just for fun.

Humans aren't the only primates that swim. Lots of Old World monkeys do too, including many macaques (the monkeys in the video). Sometimes they do it to get from A to B; sometimes they forage for food in the water – and sometimes they swim just for fun.

60,657 Aufrufe

Videos

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A Billion Years of Plate Tectonics This incredible animation compresses a billion years of plate tectonics into just 40 seconds. We tend to think of land masses as stable - but they’re in constant motion. They just move a lot more slowly than us.

A Billion Years of Plate Tectonics This incredible animation compresses a billion years of plate tectonics into just 40 seconds. We tend to think of land masses as stable - but they’re in constant motion. They just move a lot more slowly than us.

Steve Stewart-Williams

33,141 Aufrufe • vor 1 Monat

If you’re a psychology fan, you’ve almost certainly seen this viral video on inequity aversion in capuchin monkeys. Watch what happens - or seems to happen - when two monkeys are offered unequal pay for the same task… [Thread.]

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If you’re a psychology fan, you’ve almost certainly seen this viral video on inequity aversion in capuchin monkeys. Watch what happens - or seems to happen - when two monkeys are offered unequal pay for the same task… [Thread.]

Steve Stewart-Williams

53,172 Aufrufe • vor 1 Jahr

This bizarre-looking creature is a long-wattled umbrellabird. The wattle hanging from its chest is a sexual ornament: the umbrellabird equivalent of the peacock's tail. Males display it to attract females. Ditto the Elvis quiff. Sexual selection really went to town on birds.

This bizarre-looking creature is a long-wattled umbrellabird. The wattle hanging from its chest is a sexual ornament: the umbrellabird equivalent of the peacock's tail. Males display it to attract females. Ditto the Elvis quiff. Sexual selection really went to town on birds.

Steve Stewart-Williams

19,028 Aufrufe • vor 1 Jahr

Stare at the center of the top image for 30 seconds, then check out Van Gogh’s Starry Night... For more mind-bending illusions, see link below.

Stare at the center of the top image for 30 seconds, then check out Van Gogh’s Starry Night... For more mind-bending illusions, see link below.

Steve Stewart-Williams

15,583 Aufrufe • vor 1 Jahr

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