Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of other body parts is a little bit more of a mystery.

Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of other body parts is a little bit more of a mystery.

These old trucks are a welcome sight to any classic automotive enthusiast with an eye for Square Body pickups.

1967 was the initial year that Chevrolet Motor Division and GM Truck and Bus Division agreed to split platform production. The former would make all light trucks, with GMCs essentially becoming ...