This week鈥檚 new questions
Why can鈥檛 humans regrow limbs like an axolotl or a lizard? And do I create gravitational waves when I crash down onto a sofa?
Regulars
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Why can鈥檛 humans regrow limbs like an axolotl or a lizard? And do I create gravitational waves when I crash down onto a sofa?
Some people are happier to take risks than others, but what is the evolutionary root of this behaviour? A reader鈥檚 bird table provides some insight