Why do babies take so long to walk? (txt)
Compared to every other animal. Like, a foal can walk an hour after birth. Sci Am has an answer.
http://www.scientificamerican.com/article.cfm?id=human-babies-long-to-walk
Compared to every other animal. Like, a foal can walk an hour after birth. Sci Am has an answer.
http://www.scientificamerican.com/article.cfm?id=human-babies-long-to-walk