Wow. Giant sperm in tiny shrimp 'pumps' is oldest-ever fossil sperm

Extremely old, extremely large sperm and the sexual organ that propelled them. It's an awkward kind of scientific discovery but incredible nonetheless. Australian researchers found "almost perfectly preserved" sperm cells curled up within the sexual organs of 17-million-year-old fossilized...



via L.A. Times - Science http://ift.tt/T40run