A new study shows that when it comes to intelligence, the oldest child has the upper hand. Laci Green explains what led researchers to this conclusion and tells us if younger siblings are really doomed to a life of mediocrity.
via Discovery News http://news.discovery.com/human/videos/the-oldest-child-is-smarter-and-heres-why-video.htm#mkcpgn=rssnws1
via Discovery News http://news.discovery.com/human/videos/the-oldest-child-is-smarter-and-heres-why-video.htm#mkcpgn=rssnws1
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