This microscope image provided by Osaka University and the Research Institute of Molecular Pathology in October 2024, shows the fertilization of a mouse egg marked in red and green. DNA is marked in ...

How a sperm and an egg fuse together has long been a mystery. New research by scientists in Austria provides tantalizing clues, showing fertilization works like a lock and key across the animal ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. How a sperm and an egg fuse together has ...