Sperm (IMAGE) University of Adelaide Caption Sperm are generally viewed as having just one action in reproduction -- to fertilize the female's egg - but studies at the University of Adelaide are overturning that view. Credit Karin Henseler Usage Restrictions Only for use with this story. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.