CNN) More than 340 years ago, a Dutchman named Antonie van Leeuwenhoek invented a powerful new compound microscope and accidentally discovered the existence of bacteria, a groundbreaking achievement that changed the course of medicine. Not long after, he decided to look at his ejaculate — definitely not an accident — and discovered tiny, wiggling creatures with tails he dubbed “animalcules.” […] That one-sided stroke should cause the sperm to swim in a perpetual circle, Gadelha said. […] “The rotation of the sperm is something that is very important. It’s something that allows the sperm to regain a symmetry and actually be able to go straight,” he said. […] “These are all very hypothetical questions. What we hope is that more scientist and fertility experts will become interested and ask, ‘OK, how does this influence infertility?'” As for what it feels like to reverse over 300 years of scientific assumptions, Gadelha is modest.
Click here to read the full article