Do left- and right-handedness exist in animals? part 4
A review of the available scientific literature presents a mixed picture, notes one reader
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This week鈥檚 new questions
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Is it really true that all fingerprints are unique?
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Is there a difference between grass cut at different times of year?
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Why do people view colours as clashing? part 2
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What are the evolutionary advantages of growing a beard? part 2
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This week鈥檚 new questions
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What is the single most visited place on Earth?
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How do plants know to bud when days get longer?
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Why do seals have such cute faces? part 2
Seals happen to have traits that mimic human babies in our minds, notes one expert
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What鈥檚 the optimal ratio of frozen peas to cold tap water? Part 3
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This week鈥檚 new questions
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Why do people view colours as clashing or complementing each other?
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How many elements in the periodic table could we safely remove? part 2
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