Can you make your own homebrew decaffeinated tea?
If you discard the first brew made from a teabag, will the next one will be decaffeinated, or is this just an urban legend? Readers explain the diffusion kinetics of tea
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Does a kettle boil quicker if you shake it?
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This week鈥檚 new questions
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Is there an evolutionary benefit to being bald?
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This week鈥檚 new questions
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Why does ‘falling’ in dreams happen?
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Do ants bury their dead?
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This week鈥檚 new questions
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How do city trees get enough water?
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Where鈥檚 the best place to be buried to preserve your body as a fossil?
Want to preserve your body as a fossil for future generations? Readers give their suggestions on the best ways to do it
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This week鈥檚 new questions
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Cats are famously grumpy, but do they have facial expressions?
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How long can viruses survive outside the body?
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This week’s new questions
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