Is our sense of new smells keener? What’s the evolutionary benefit of this?
Why do we lose the ability to smell familiar scents and become 'nose-blind'? We delve into this sensory phenomenon
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This week’s new questions
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What’s the difference between an electric and a magnetic field?
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How much cloud cover is there? Readers give their answers
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This week鈥檚 new questions
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Can you make your own homebrew decaffeinated 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
Do magnets lose their strength over time, and why do some birds walk they way they do? Send us your thoughts and we'll publish our favourites
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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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