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The brain uses a quarter of the body's entire energy supply, yet only accounts for about two percent of the body's mass. So how does this unique organ receive and, perhaps more importantly, rid ...

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Tag(s) : #Sleep, #Brainology™

http://www.engvid.com/ At Thanksgiving, people in North America eat turkey... but why? What do they celebrate? Learn about a North American hoilday that has different dates and customs in the USA ...

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Tag(s) : #Culture, #Thanksgiving
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