Sperm wars

Why do male animals need millions of sperms every day in order to reproduce? And why are there two sexes anyway? These and related questions are the topic of the latest issue of the research journal Molecular Human Reproduction published today (16 October 2014). The evolutionary biologist Steven Ramm from Bielefeld University Bielefeld has compiled this special issue on sperm competition.

Fuente : http://www.alphagalileo.org/ViewItem.aspx?ItemId=1...