Chipmunks are members of the same family as squirrels. The small rodents spend most of their time aboveground, eating seeds, nuts, fruits, insects, and even frogs. Voles, on the other hand, are more ...

Mammal evolution to upright posture followed complex branching path rather than simple step-by-step progression.

So much science starts with deciphering a genome, the blueprint for every being on Earth. With such roadmaps in hand, ...