For many women, growing older means growing a few whiskers.
Scientists think they know why some ants get the job done while others kick back and watch them work.
During migration, birds' digestive system partially shuts down to conserve energy for flight.
As temperatures rise due to global warming, leafhoppers are spreading their campaign of terror on plants.
The more variety in a given meal, the more food you consume.
Chimps evolved a taste for alcohol to get extra calories and, as it so happens, to get drunk.
According to a recent study, anxiety and depression do not make you more susceptible to the common cold.
The human brain is a FOLDer of information.
Water samples from the Greek oracle at Delphi show traces of ethylene, a gas that can induce trance-like states.
The oxpecker and the rhino make quite the odd couple but they need each other.