Sure, early hominins used fire for upwards of a million years. But when did early hominins start acting like humans—for example, cooking in the same spot each night? The new discovery of an old (really old) hearth at an Israeli dig site could hold the answer.
For early hominid hunters, there was no greater prize than an elephant. Kill just one of those, and a tribe could eat well for days. But when the elephants suddenly disappeared, something remarkable happened: Our hominid ancestors became more intelligent.