Humans are still evolving, So, where will evolution take us in 1,000 years? Chances are we’ll ... that Mars’ low gravity could allow the human spine to elongate enough to add a few extra ...

in years ago): 7.6—6 million BRAIN SIZE (est ... and more downwardly oriented foramen magnum (hole where spinal cord exits brain), suggesting upright posture and locomotion ...

But, unfortunately, annoying extra molars aren't the only way evolution ... spine arches like a bridge, which helps support the weight of their internal organs dangling beneath. Then, 6 million ...

The angle at which the child's spine had joined its skull ... The question was not fully resolved for many years. In 1973, when Don Johanson found a surprisingly human-looking fossil knee at ...

Arizona State Professor Donald Johanson discovered the Lucy fossil skeleton—dated at over 3 million years old—in Ethiopia 50 ...

Perhaps most importantly, Lucy’s discovery foreshadowed a series of fossil finds that filled in the scientific picture of her species. By 1978, enough evidence had accumulated to establish Lucy as the ...