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Sex Evolution

The Prehistoric Origins of Sex

John A. Long | Posted 12.15.2012 | Science
John A. Long

All life depends upon sex to survive. Straining down my microscope, I experienced one of the most sublime eureka moments of my career. Our discovery had just defined the oldest known act of sexual intimacy.

LOOK: Dino Dandies May Have Had 'Ridiculous' Features

| Posted 09.15.2012 | Science

By Darren Naish | September 7, 2012 Sexual selection – the phenomenon in which organisms choose mates on the basis of desirable traits – is o...