More than 350,000 chemicals are used worldwide, and many find their way into the ocean through plastic pollution. As plastics ...

Almost all animals eat living things, so in a sense most are predators. We normally restrict the term, though, to cases in which the animal chases and kills its prey. Nevertheless, the models we will ...

Sarah Hoy spends winter in a small cabin on a remote, snow-covered island colonized by wolves. Drinking water comes from a hole in the ice on Lake Superior, which surrounds the island. A generator ...