What wolves' teeth reveal about their lives

UCLA evolutionary biologist Blaire Van Valkenburgh has spent more than three decades studying the skulls of many species of large carnivores—including wolves, lions and tigers— that lived from 50,000 years ago to the ...

Climate report: 'Uncharted territory' imperils life on Earth

An international coalition of climate scientists says in a paper published in BioScience that the Earth's vital signs have worsened beyond anything humans have yet seen, to the point that life on the planet is imperiled.

Pesticide seed coatings are widespread but underreported

Pesticide-coated seeds—such as neonicotinoids, many of which are highly toxic to both pest and beneficial insects—are increasingly used in the major field crops, but are underreported, in part, because farmers often do ...

page 4 from 27