Neutron-scattering experiments have revealed a predicted high-pressure phase of ice called ‘plastic ice VII’, in which molecules form crystals, as they do in normal ice, but rotate as in ...

Ecology is the study of how organisms interact with each other and their environment. It considers processes that occur at the population, community and ecosystem levels and has a particular focus ...

The 190-mile-long Cahaba River is home to many rare species ... "nothing in vegetable nature was more pleasing," wrote itinerant naturalist William Bartram, who explored the Southeast just ...