Evolutionary theories said giraffes developed their height to get to better eats, but ancestors may have gained the advantage through head-butting battles.
A new study finds that if fossil fuel emissions continue apace, the oceans could experience a mass extinction by 2300. There is still time to avoid it.
Retrievers that don’t retrieve and Papillons that point are all possible because the genes that shape dog behavior predate modern breeding that focuses on appearance, researchers find.