Sentences with phrase «human ancestors walked»

A fossilized bone, the fourth metatarsal of the left foot, recovered from Hadar shows that by 3.2 million years ago human ancestors walked bipedally with a modern human - like foot, a report that appears Feb. 11 in the journal Science, concludes.

Not exact matches

Hodgskiss strikes a middle ground as she imagines how human ancestors might have begun using the material: «You're walking through the landscape, and you see a beautiful red or yellow or purple stone, and you realize you can grind it and get a really nice powder from it.

Other features hinted that the last common ancestor of humans and chimpanzees was a quadruped and not a knuckle - walking ape, as was long thought.

Human ancestors began walking upright at least 6 million years ago, according to analysis of hominid leg and pelvic bones.

The remnants of a remarkably petite skull belonging to one of the first human ancestors to walk on two legs have revealed the great physical diversity among these prehistoric populations.

The primitive traits in this 3.4 - million - year - old partial right foot also show that there was more than one way for early human ancestors to walk upright for at least a million years, according to a new study.

This showed researchers that bipedal walking was a key trait of humans and our ancestors, the group called hominins — but not of living apes and their ancestors.

The impressive record of bipedal tracks from Laetoli Locality 8 (Site G and the new Site S) may open a window on the behaviour of a group of remote human ancestors, envisaging a scenario in which at least five individuals (G1, G2, G3, S1 and S2) were walking in the same time frame, in the same direction and at a similar moderate speed.

And then at the same time, when they were looking at the pelvis, and this caused a big stir at the meeting, so there's been this idea that Lucy's species, you know, the changes that you get in the pelvis from the last common ancestor of humans and chimps were to, sort of, make us good at upright walking; and then further changes to the pelvis that you see in the evolution of our genus which will accommodate babies with larger brains.

Ever since scientists realized that humans evolved from a succession of primate ancestors, the public imagination has been focused on the inflection point when those ancestors switched from ape - like shuffling to walking upright as we do today.

At a time when our earliest human ancestors had recently mastered walking upright, the heart of our Milky Way galaxy underwent a titanic eruption, driving gases and other material outward at 2 million miles per hour.

Out of Eden Learn involves a collaboration with Pulitzer Prize - winning journalist Paul Salopek who is walking around the world along the migratory pathways of our ancient human ancestors.

His Out of Eden Walk attempts to retrace the migratory pathways of our early human ancestors, as discernible from the archaeological record and the emerging science of genography.