/u/cuckoo22's posts in /r/askscience
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Is getting 8-9 hours sleep long enough for a quality sleep, or are there other factors that should be taken into consideration?
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Is getting 8-9 hours sleep long enough for a quality sleep, or are there other factors that should be taken into consideration?
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I read an article on elephants and how they can determine age from acoustic cues in human voices, and how they associated the age with a level of threat. If a child was to walk up to an elephant how would the elephant react?
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