Ask the Brains; September / October 2009; Scientific American Mind; by John Bock; Josh McDermott; 1 Page(s)

Compared with other animals, human babies take much longer to learn to walk. Does this have something to do with our big brains?
-Mahmoud Dhaouadi, via e-mail

John Bock, an anthropologist at California State University, Fullerton, provides a reply: