This post comes to PBS Nature from World Wildlife Fund (WWF). WWF and Nature are collaborating on a series of blog posts from WWF conservation scientists that will share the stories and motivations ...

Fish spend a lot of time in schools, so perhaps it should come as no surprise they’re smarter than most people think. A recent study shows that the cleaner wrasse, a fish that removes external ...

Since I'm a biologist, friends and relatives sometimes assume I know a lot about the living world. In fact, like most people trained in the sciences, I know quite a lot about a relatively specific ...