Human oocytes have been matured and fertilized by spermatozoa in vitro. There may be certain clinical and scientific uses for human eggs fertilized by this procedure.

Maybe your gaming laptop doesn’t have enough storage. Or maybe you simply want to render your game library portable between systems. Rather than upgrade your internal storage — add a speedy external ...

Scientists at Michigan State University have uncovered the molecular “switch” that powers sperm for their final, high-speed dash toward an egg. By tracking how sperm use glucose as fuel, the team ...