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 ...

It's a commonly held belief: Sperm cells are like runners in an epic race, competing against each other for access to the coveted egg at the finish line. The egg, in turn, waits patiently for the ...

Sperm banks and egg clinics still mandate and promise donor anonymity, either for 18 years or forever. When purchasing sperm or eggs, most people are given a "donor profile" that has non-identifying ...

Eggs or sperm donated for the purpose of assisted reproductive technology may not be used for any destructive purposes, including but not limited to: Scientific or clinical research; Development of ...

Read full article: Man shot, killed while riding bike in Texas City Read full article: E. coli bacteria found in Humble water, city says Investigators were working to determine what caused a deadly ...

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This is an archived article and the information in the article may be outdated.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 ...