Why do cats generally live longer than dogs? New research suggests that longer lifespans of mammals like cats could be linked to their bigger brains and more complex immune systems.

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

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

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

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