This week鈥檚 new questions
If sitting cross-legged is bad for you, why does it feel so comfortable? And what is the advantage to insect of their bites making us itch, when this triggers us to swat them?
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Why does anger make us stronger, yet we become weak with laughter?
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What is the smallest body of water in which tides can be detected?
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Why do some people struggle to tell right from left?
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This week鈥檚 new questions
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Why is it easier to copy a picture of an object than the real object?
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What鈥檚 the minimum population needed to sustain a comfortable life?
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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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Why hasn鈥檛 time been decimalised?
Decimal time was used in ancient China, and may one day be used on Mars. But we can thank the Babylonians and Egyptians for our base 12 and base 60 time-keeping
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This week鈥檚 new questions
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I lost 15 kilograms, so why can鈥檛 I comfortably carry the same weight?
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What could happen to change gravity on Earth as we know it?
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Why do some things, like fresh coffee, smell better than they taste?
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