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 ...
8hon MSN
The end of the Cretaceous Period, 66 million years ago, marked the dramatic extinction of the dinosaurs. Until now, our ...
Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...
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