What would happen if time stopped?
Our readers consider this question from physical and philosophical perspectives, but mainly conclude: nothing
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What happens to the stains in my sink when I clean it with bleach?
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This week鈥檚 new questions
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Good news for those whose lipstick isn’t as soft as they hoped
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Tom Gauld on a new version of the Large Hadron Collider
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Twisteddoodles on chemical ions
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Life
Close-up photographs of seeds show their intricate beauty
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Space
Get ready to spot comet Tsuchinshan-ATLAS next month
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Does this title say it all? “Penile injuries from vacuum cleaners”
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What is the largest size an animal can be?
Our readers explain the maximum size of a quadrupedal animal and consider the sizes of dinosaurs, blue whales and colonial organisms
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Is there the same number of electrons as protons in the universe?
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Will we ever be able to tell if an AI gains consciousness? Part 2
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This week鈥檚 new questions
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Tom Gauld on what’s fashionable in the laboratory
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