Why do we scream in fear?
While screams can make an individual more conspicuous to predators, they can help other members of their group survive
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What good is greed? part 2
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This week鈥檚 new questions
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Let’s quibble about historical accuracy in Christopher Nolan’s Odyssey
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Twisteddoodles has some good news and some bad news
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Tom Gauld: Professor Monroe has all the luck…
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Mathematics
These images explore a ‘utopic’ village built for teaching maths
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Do black holes look doughnut-shaped when viewed in all directions?
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What is the evolutionary basis for greed?
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This week鈥檚 new questions
Is the concentration of salt in the oceans gradually increasing and will there come a point life can no longer tolerate it? And why are MRI machines so noisy?
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Three goats headbutt each other 1218 times in 12 hours
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91色情片
Why my 2026 fitness resolution is all about getting mobile
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Environment
See how fire has changed the world’s largest wetland, the Pantanal
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Life
Why stroking seedlings can help them grow big and strong
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