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Are You an Early Bird or a Night Owl?

Scientific American - Posted: July 22nd, 2015, 8:15am UTC

Does the early bird always get the worm? Are there real biological differences between early risers and night owls? Everyday Einstein explainsbr/ br/ -- Read more on ScientificAmerican.comdiv class="feedflare" a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=PawQ4v9Gtpg:KKCZXtpUajQ:yIl2AUoC8zA"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=yIl2AUoC8zA" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=PawQ4v9Gtpg:KKCZXtpUajQ:qj6IDK7rITs"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=qj6IDK7rITs" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=PawQ4v9Gtpg:KKCZXtpUajQ:l6gmwiTKsz0"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=l6gmwiTKsz0" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=PawQ4v9Gtpg:KKCZXtpUajQ:gIN9vFwOqvQ"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?i=PawQ4v9Gtpg:KKCZXtpUajQ:gIN9vFwOqvQ" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=PawQ4v9Gtpg:KKCZXtpUajQ:ZC7T4KBF6Nw"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=ZC7T4KBF6Nw" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=PawQ4v9Gtpg:KKCZXtpUajQ:I9og5sOYxJI"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=I9og5sOYxJI" border="0"/img/a a href="http://rss.sciam.com/~ff/ScientificAmerican-Global?a=PawQ4v9Gtpg:KKCZXtpUajQ:QXVau8BzmBE"img src="http://feeds.feedburner.com/~ff/ScientificAmerican-Global?d=QXVau8BzmBE" border="0"/img/a /div

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