This story appears in the August 2015 issue of National Geographic magazine. On a hot spring morning, Galte Nyemeto stood by the shore of Lake Turkana scanning for crocodiles. The water was ...

Dated to between 1.5 and 1.6 mya, and discovered on the western side of Lake Turkana Kenya in the mid 1980s by Kamoya Kimeu, leader of the paleontological team dubbed the ‘Hominid Gang’.

Since losing most of his livestock in a recent drought, herder Angelech Losoro has traded the parched lands of northwestern Kenya for the waters of nearby Lake Turkana, where he now makes a living ...