When scientists belived there was a little man inside every sperm cell

Preformationism was a popular theory in the 17th and 18th centuries. It allowed people to believe in a clockwork world, where there were tiny people running around in sperm. And those tiny people also had tiny people in their sperm. But there was a peculiar kind of logic to it all. » 3/04/14 11:09am 3/04/14 11:09am