The Men have figured out why pregnant women don't tip over!
December 12, 2007 4:11pm CST
Leave it to the men to tell us what we women already basically knew. http://news.yahoo.com/s/livescience/20071212/sc_livescience/womenevolvemorespinetocarrybabies Now the fact that they used chimpanzees to help them figure it out is a bit offending, but men will be men!!