This week鈥檚 new questions
Why does the H sound get dropped in some languages such as Italian, French and Cockney English? And why, or how, do winds gust?
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Why do only some materials glow under UV light?
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What is the best way to store images for the next 100 years? (Part 2)
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The universe is expanding, but what is it expanding into? (Part 2)
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This week鈥檚 new questions
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How can our own farts smell tolerable when other people鈥檚 smell awful?
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Why are there no birds that hibernate?
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This week鈥檚 new questions
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What caused this red-only rainbow?
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Why are human infants so noisy compared with other young animals?
The shrieks and cries of human children and babies are down the privilege of being an apex predator, say our readers
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Why does an appointment at 11.17 seem to demand punctuality? (Part 2)
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This week鈥檚 new questions
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Are any animals other than us aware of their own mortality?
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Why does stretching and yawning after waking up feel so pleasant?
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