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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How do animals recognise their young and do they know they reproduce?
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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)
Some people are happier to take risks than others, but what is the evolutionary root of this behaviour? It could be at the heart of learning an innovation, suggests one reader
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This week鈥檚 new questions
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Why do we hear two musical notes, an octave apart, as the ‘same’ note?
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Is there any harm in drinking too much tea?
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This week鈥檚 new questions
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