Origins Of Us - Xvid

Origins Of Us - S01 - E01 - Bones - TVrip - Xvid


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In the first episode Dr Alice Roberts looks at how our skeleton reveals our

incredible evolutionary journey.

Trekking through the forests of our ancient ancestors, she goes to meet the

apes who still live there today - chimpanzees. In six million years we have

become very different, and what kick-started this can be found in an

extraordinary fossil - Sahelanthropus. A single hole where the spine was

attached suggests that our ancestors started the journey to being human by

standing upright. We take it for granted, but standing up and walking is

surprisingly complex - each step involves the co-ordination of over 200

muscles.

Charting the major advances from Australopithecus to Homo erectus and

beyond, Alice tells the epic story of human evolution through our body

today. New research has uncovered clues in our ankles, waists and necks that

show how our ancestors were forced to survive on the open plain - by walking

and running for their lives. From the neck down we have inherited the body

of our ancestor Homo erectus, who lived on the plains of Africa nearly two

million years ago. Alice goes to meet Professor Dan Lieberman at Harvard,

who puts her body to the test - wiring her up to show the action of her

waist and neck to demonstrate how our entire bodies are designed for one

thing, long distance running.

Finally Alice looks at probably the most important advance in our

evolutionary story. A fortuitous by-product of standing up was freeing up

our hands. With pressure sensitive gloves she demonstrates how the tiniest

of anatomical tweaks to our thumbs and little fingers transformed hands that

evolved to grasp branches into ones that could use tools. And with our

dexterous hands, our species, Homo sapiens, would change the world.


Origins Of Us - S01 - E01 - Bones




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