What could happen to change gravity on Earth as we know it?
Readers give several ways in which gravity on Earth could significantly change, but none of them would be good news for the planet
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Why do some things, like fresh coffee, smell better than they taste?
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How does porridge manage to stick to non-stick pans?
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This week鈥檚 new questions
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Why is traffic noise on roads louder when it is raining?
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How do spiders abseil to the floor so quickly when disturbed?
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Why can鈥檛 humans regrow limbs like an axolotl or a lizard?
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Should we engineer cats to stop their urge to kill (continued)?
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This week鈥檚 new questions
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Do animals cut the umbilical cord of newborns like humans do?
It turns out that humans aren鈥檛 the only animals that intervene to separate infants from the placenta
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Why can鈥檛 magnets bend light?
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Are humans the only animals that have unique fingerprints?
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This week鈥檚 new questions
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Why does sourdough bread from California taste different to UK loaves?
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