Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one ...

Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one of the most abundant trees across much of eastern North America. It also ...

Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one of the most abundant ...

Arachnid evolution involved multiple land transitions, not just one. Spiders and scorpions evolved key traits through gene duplication.

Fossils are providing more and more clues about how dinosaurs attracted one another and reproduced, which contributed to ...

Large birds -- our closest relations to dinosaurs -- are capable of technical innovation, by solving a physical task to gain access to food.