Sperm Movement: Swim 'N' Roll

New research means we're going to have to think again about how human sperm swim. You might have seen movies of them looking a bit like tadpoles in a pond - the head carries the male's DNA and the long tail, or flagellum, propels the sperm forward. That motion was first described over 300 years ago, but now a joint team from Britain and Mexico think we might need to re-write the textbooks, as Eva Higginbotham heard from Hermes Gadelha... Like this podcast? Please help us by supporting the Naked Scientists