VIDEO | by DNews

The Oldest Child Is Smarter and Here's Why

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VIDEO DESCRIPTION:
A new study out shows that when it comes to intelligence, the oldest child has the upper hand. Laci Green explains what led ...
researchers to this conclusion, and if younger siblings are really doomed to a life of mediocrity.
Posted: 10/27/2013 | Views: 129,144 | Duration: 02:52
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