Humans respond to environments that change at many different speeds. A video game player, for example, reacts to on-screen ...

Scientists have uncovered a new explanation for how swimming bacteria change direction, providing fresh insight into one of ...

New studies are shedding light on one of the biggest mysteries of human reproduction and what can be done to combat it.

Could Homo sapiens and an archaic and now-extinct species of early human have lived alongside each other on the Indonesian ...