Our cerebral cortex, a sheet of neurons, connections and circuits, comprises "ancient" regions such as the hippocampus and "new" areas such as the six-layered "neocortex," found only in mammals and ...

BAR HARBOR − Famous for their sluggishness, turtles have been slow to give up the secrets of their evolution and place on the evolutionary tree. For decades, paleontologists who study fossils and ...

WASHINGTON (Reuters) - It was a creature that one scientist said resembled "a strange, gluttonous lizard that swallowed a small Frisbee." But a sophisticated skull analysis showed that this reptile ...

Turtles today are often slow-moving, modestly sized creatures, but their ancient relatives were quite different. Long before ...