What is the optimal way to ice a cocktail?
Readers dig into whether it鈥檚 best to have fewer big cubes or lots of small ones 鈥� and offer up their services to test it out
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What changes will occur on Earth as the moon moves further away? part 2
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At what point does my family tree stop doubling and start decreasing? part 2
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This week鈥檚 new questions
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At what point does my family tree stop doubling and start decreasing?
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How does my energy use differ if I walk, jog or run for 1 kilometre?
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Why don鈥檛 dogs look up when a low-flying plane passes overhead? part 2
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This week鈥檚 new questions
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What changes will occur on Earth as the moon moves further away?
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Why don鈥檛 dogs look up when a low-flying plane passes overhead?
One correspondent with a particularly intelligent dog begs to differ with this question, while another looks to deepen the mystery
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Are flies following a strategy when they keep hitting windows? Part 3
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This week鈥檚 new questions
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Is it true that fresh air heats up faster than stale air? If so, why?
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How do fish recognise others of their own species? Part 2
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