4 Million Year Old Ancestor...

Scientists in Ethiopia have found the oldest remains of human ancestry yet. These bones are all that is left of mankind's oldest walking ancestor.

“Right now we can say this is the world’s oldest bipedal (an animal walking on two feet) and what makes this significant is because what makes us human is walking upright,” Latimer said. “This new discovery will give us a picture of how walking upright occurred.”

They say that the "Hobbit" remains found earlier are older, at 4.5 million years, but there is great debate whether or not the older subling walked upright...