How do spiders abseil to the floor so quickly when disturbed?
Do spiders rapidly make a strand of silk when disturbed or do they have an emergency escape kit in their bodies? And when they land, do they cut the cord?
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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?
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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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How do animals recognise their young and do they know they reproduce?
Male lions kill the cubs of other males, but not their own, yet cuckoos get away with other species raising their chicks. How? Insight comes from the behaviour of albatrosses, orphan lambs and goslings
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This week鈥檚 new questions
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When I can鈥檛 remember something, how do I know that I once knew it?
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Do I create gravitational waves when I crash onto the sofa?
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Why do some people like gambling so much? (continued)
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