The researchers who first made this observation about brain sizes in mammals, comparing three-dimensional models of fossilized skulls, think that this trend occurred because of competition.

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A biotech company made history with the birth of three genetically engineered wolves: What we know about these prehistoric ...

DENVER (KDVR) — Researchers at the Denver Museum of Nature and Science discovered a new mammal species from 65 million years ago. A fossil of a skull and jaws of the newly discovered species ...

Mammal bones, especially skulls, are used for identification, and to work out the evolutionary history of each species. The jaws of a house cat are more lion- than wolf-like, for example.

(left) Indonesian authories pictured with seized wildlife parts and (right) skulls belonging to oragutans. CREDIT: Kementerian Lingkungan Hidup dan Kehutanan Indonesia The fascination and demand for ...