Pools of water in some places in Africa were kept separate as "male" and "female" pools of water.

">http://www.test-tube.org.uk/videos/pages_aziz_breakthrough.htm "The Immortal Worm" This video is about the discovery/verification of immortality in planarium worms. There is some basic explanation of polymerase and telomerase in RNA/DNA.

Cool. The original Blade Runner...