But it really wasn't until three to four years later, when we had an opportunity in the lab to make very detailed observations, and comparisons with other fo...

But it really wasn't until three to four years later, when we had an opportunity in the lab to make very detailed observations, and comparisons with other fossil discoveries, that we realized she was a new species of human ancestor.

quote by Donald Johanson
Submitted by Lucian Velea
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