Why don鈥檛 dogs look up when a low-flying plane passes overhead?
One correspondent with a particularly intelligent dog begs to differ with this question, while another looks to deepen the mystery
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Are flies following a strategy when they keep hitting windows? Part 3
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This week鈥檚 new questions
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Comment
A handy guide to the science of super-long fingernails
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Tom Gauld on the Great Wise One
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Twisteddoodles on twin studies
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Environment
Exquisite sculpture points spotlight on a Pacific island that drowned
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Is it true that fresh air heats up faster than stale air? If so, why?
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How do fish recognise others of their own species? Part 2
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Are flies following a strategy when they keep hitting a window? Part 2
Readers take issue with a former answer to this question, arguing for the different behaviour of wasps and flies 鈥� and for a more defined plan of escape than has previously been posited
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This week鈥檚 new questions
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Comment
Why do fictional geologists keep getting killed off in movies?
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Tom Gauld on artificial cells
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Twisteddoodles on children’s flexible ears
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