快猫短视频

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Tom Gauld on a classic thought experiment

Tom Gauld's weekly cartoon

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TwistedDoodles on scientific protocols

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A small silver car driving round the sharp bends of a country road in the Peak District, England. Low sunlight casting shadows on the s shaped curves.

Should I accelerate when driving over hills or keep to a steady speed?

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Illuminated globe from inside spinning, colourful earth globe ; Shutterstock ID 555407242; purchase_order: -; job: -; client: -; other: -

Given Earth rotates, can I travel by waiting in midair? Part 2

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circa 1950: A chubby man sees himself a few stone lighter in a distorting mirror made at the Pittsburgh Plate Glass Co. (Photo by Douglas/Three Lions/Getty Images)

This week鈥檚 new questions

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Comment

Anthropic AI goes rogue when trying to run a vending machine

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Photo ? Steve Monks Lydia Bradey on the first female ascent of Zenith, Halfdome, Yosemite National Park

Humans

Triumphant images of women who climbed to new heights

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Tom Gauld on a missing prototype

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Twisteddoodles on a mysterious scientific delivery

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Portrait of young woman and shadow Description Portrait of young woman and shadow. U.S.A

Mind

What characterises a dark empath? The science behind the buzzword

We are all talking about so-called "dark empaths" 鈥� but how would we know one if we met one? David Robson looks at the research behind the social media hype

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Why are there 60 seconds in a minute and 60 minutes in an hour?

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Why do so many birds like standing on one leg?

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This week鈥檚 new questions

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Space

Otherworldly space images from a major photography competition

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