Twisteddoodles on escape velocity
This week's cartoon from Twisteddoodles
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Life
Fascinating artistic depictions of sea life over millennia
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Mathematics
This string art game will boost your mathematical imagination
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Why do plastic items stay wet for longer in the dishwasher?
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Why is the heart not in the centre of our body?
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This week’s new questions
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Comment
Jewellery that monitors movement? No, we can’t anticipate any problems
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Tom Gauld on a classic thought experiment
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TwistedDoodles on scientific protocols
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Should I accelerate when driving over hills or keep to a steady speed?
Our readers agree that it is generally most fuel-efficient to maintain a constant speed while driving up and down hills – but there are other factors to consider too
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Given Earth rotates, can I travel by waiting in midair? Part 2
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This week’s new questions
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Comment
Anthropic AI goes rogue when trying to run a vending machine
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Humans
Triumphant images of women who climbed to new heights
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