Do any species of bird hiccup? If so, why would they do this?
Hiccuping is common in mammals, but do birds have these involuntary spasms too?
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How much of the movement of clouds is due to Earth鈥檚 rotation?
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Why do duvet covers swallow other laundry? (continued)
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This week鈥檚 new questions
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Are birds that walk more advanced than those that hop?
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Do the different causes of headaches create pain in different places?
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Are tandems really more efficient than regular bikes (continued)?
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This week鈥檚 new questions
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Why do cabbages exist when their shape prevents photosynthesis?
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Why does light reflect in a mirror but go straight through glass?
Why does light reflect in a mirror but go straight through glass?
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This week鈥檚 new questions
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What makes some people short-sighted and others long-sighted?
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Are lids getting harder to open? (continued)
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To brew the best coffee, must you start with cold water?
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