Homo habilis the handy man (Wikimedia Commons) |
As I wrote at the time, "There are two criteria that might be used to define man: his ability to make tools and the size of his brain. Homo habilis scores on the first point but not on the second" (Carter AM. A new ancestor for man. The Humanist 1964; 79: 198-201).
Happy Birthday Jane Goodall |
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