Recent content by Polymorph

You are absolutely correct, I am just speculating. Neanderthals probably had reasons for larger jaws. Wear on the teeth found would seem to indicate that they not only ate a rougher diet, there has been speculation that they used them to hold skins while cleaning them. Bite down, scrape away.

Huh. Amusing. Receding chins due to not having to chew? They why amongst the great apes do -we- have chins? We have smaller jaws and therefore smaller -faces- because we don't need huge jaws, teeth, and jaw muscles to chew. Jaws were probably a random mutation that got isolated and was...

Actually, it is the reverse. Why else is it people who live in temperate climates are the ones who live in mud huts? The technological advances came from humans in environments harsh enough to require technology, but with technology we gained the free time for advances beyond those necessary for...