Crawling Helps Babies Learn to Fear Heights | Video

Once babies start crawling, they become more wary of heights, new research shows. The infant in this video is careful not to go near a glass-covered virtual edge.
credit : Audun Dahl, Joseph Campos, David Anderson, and Ichiro Uchiyama of the University of California, Berkeley, and Doshisha University, Kyoto
Watch more  ►