Latest Articles & Videos
City-dwelling birds have an odd habit of lining their nests with bits of cigarette butts. Now scientists have figured out why: the nicotine in the butts may help keep parasites away....
Just over a century ago, the architects and engineers who invented the skyscraper set us on the path to becoming an urban world. Tall buildings of concrete and steel helped make urban...
The scientific discovery, announced this week in the journal Proceedings of the National Academy of Sciences, that humans are still evolving, is about as surprising as saying that...