Tag archives for sperm
In the first identified case of “killer sperm,” females that mate with males of another species can become sterile or even die, a new study says.
Proteins on mosquito sperm enable them to sniff their way to waiting eggs in female mosquitoes.
Some female animals—including fish, snakes, and octopi—store sperm in their reproductive tracts for years after mating. But why?
Spring may be when a young man’s fancy turns to love, but new evidence suggests that it’s winter when his sperm is at its spunkiest.
Barnacles, already famous for having longest penises in the animal kingdom (relative to size), have another reproductive quirk.