Why don鈥檛 dogs look up when a low-flying plane passes overhead? part 2
Readers continue to give their examples of dogs who do notice passing aircraft 鈥� but also put forward some ideas as to why they generally don鈥檛
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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?
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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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Are flies following a strategy when they keep hitting a window? Part 2
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This week鈥檚 new questions
What is the optimal way to ice a cocktail: fewer big cubes or lots of small ones? And what is the smallest creature that needs to sleep, and what does this tell us about the nature of and need for sleep itself?
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How do fish recognise others of their own species?
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How many known elements could we delete without ill effect? Part 2
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This week鈥檚 new questions
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What sized planet would make space travel impossible due to gravity?
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