A controversial idea in evolutionary biology argues that genes—not individuals or species—are the true drivers of natural ...

Why does some humor relate to basic physical maintenance—breathing, drinking, and eating? As long as they're relatively minor ...

For centuries, physicians observed that nuns, who are celibate, had much higher rates of breast cancer, leading to the theory ...

The origins of consciousness date back about 540 million years ago, when animal bodies became more complex. Feelings like ...