Name: Firstborns get intellectual advantage over younger siblings, study says
Uploaded: Mon Feb 13 2017 13:11:30 GMT+0000 (UTC)
Duration: 1 min 33 s
Description: According to a recent study, firstborn children are set up for more academic and intellectual success. TODAY’s Jenna Bush Hager, who’s only 1 minute younger than her twin sister, admits that “Barbara may be only a minute smarter, but her SATs were a whole lot higher!”

Feb. 13, 201701:33