In mammals - including us humans - sperm are surprisingly picky about temperature, thriving best in conditions a few degrees ...

All mammals have a particular protein on the surface of sperm called CatSper. It controls the entry of the particles needed ...

Mammalian evolution has developed ingenious ways to keep male reproductive ... elephants use a similar system that cools blood through their ears. Most other mammals, humans included, create ...

Sperm swim faster in high temperature environments; aging ovaries slowly lose egg support. Both affect fertility differently.

WashU Medicine researcher Polina Lishko, a BJC Investigator and professor of cell biology and physiology, has shown in mice ...

In fact, social monogamy is extremely common in birds and somewhat common in mammals, while sexual monogamy is vanishingly ...

Whales, dolphins, and other marine mammals are washing up dead along the California coastline. A team from the National ...

Activation of sperm surface protein . Research on mice revealed that a particular protein, found in all mammals called ...