From the time of Charles Darwin science has painted a picture of our earliest ancestor in the image of a chimpanzee. Scientific American editor Katherine Harmon explains how new fossil evidence is redrawing the lines of human evolution.

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2 Comments

1. 1. hemo_jr 02:52 PM 1/29/13

   Wouldn't our first human ancestor be the earliest member of the genus Homo, H. habilis?

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2. 2. ASHIK 09:57 AM 2/2/13

   I think our ancestor limited his /hers weight by scheduling eating habits and increased circulation of blood to brain by constantly seeking knowledge of stuffs that creates personal existance around on ground rather than increasing blood circulation to build body mass by mostly hanging around in trees,similar to the powers John carter gets in hollywood movie John carter.

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