Most schoolchildren learn that the Earth has three (or four) layers: a crust, mantle and core, which is sometimes subdivided into an inner and outer core. That's not wrong, but it does leave out several other layers that ...
Feb 14, 2019 in Earth Sciences
From parrots to lizards, hundreds of animal species could be at risk of extinction because of a policy process that responds slowly to scientific knowledge, according to a new study in Science.
Feb 14, 2019 in Ecology