Fifty Years Later, How Lucy, the Mother of Humanity, Changed Our Understanding of Evolution
On November 24, 1974, American anthropologist Donald Johanson and his research student Tom Gray were rummaging through a ravine near Hadar in the Afar region of Ethiopia. The pair were searching for fossilized animal bones in the surrounding silt and ash when Johanson spotted a small fragment of an arm bone—and realized it belonged to … Read more