Posts tagged "sizing up sperm"

Making A Baby Is A Battle Between Warriors In “Sizing Up Sperm”

This Sunday at 9 p.m., National Geographic Channel turns the life story of sperm into a saga that looks as intense as "Gladiator." In "Sizing Up Sperm," humans represent the little guys on a mission to be the first to reach and fertilize an egg -- you know how it works. The sperm…
By: Catherine Strawn / March 12, 2010