It's easy to take for granted that with the flick of a lighter or the turn of a furnace knob, modern humans can conjure flames — cooking food, lighting candles or warming homes. For much of our ...
If you crossed paths with Homo ergaster on an East African plain some 1.5 million to 2 million years ago, its silhouette might look a bit familiar. Long legs, a narrow torso, and a heat-adapted frame ...
The Nyayanga excavation site in Kenya, in July 2025. Fossils and Oldowan tools have been excavated from the tan and reddish-brown sediments, which date to more than 2.6 million years old. T. W.
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