Add Yahoo as a preferred source to see more of our stories on Google. Brooklyn College Professor Stephen Chester (center) points out dental features on an enlarged model of an extinct mammal to ...

Primate Brain Sizes. These skulls are from the Harvard Museum of Comparative Zoology. (Image: Christopher Walsh, Harvard Medical School). A new analysis supports the previously overlooked “brain lag” ...

A few teeth, smaller than a grain of rice, are changing the map of your earliest primate relatives. They come from a creature called Purgatorius, a tiny tree-dwelling mammal that lived about 66 ...

Without it, teeth this small can slip past standard collecting. "This discovery helps fill a gap in understanding the geography and evolution of our earliest primate relatives after dinosaur ...