A transcript of episode 5 of The Conversation Weekly podcast, including stories on the Arctic Ocean and new archaeological finds in Tanzania's Olduvai Gorge.
Plus, new discoveries about early humans in Tanzania's Olduvai Gorge. Listen to episode 5 of The Conversation Weekly podcast.
The research shows that 2 million years ago humans were not constrained technologically and already had the capacity to expand their geographic range.
We can't observe the brain activity of extinct human species. But we can observe modern brains doing the things that our distant ancestors did, looking for clues about how ancient brains worked.
Stone tools excavated in Kenya date back 3.3 million years – making them about a million years older than the oldest known fossils from our own hominid genus Homo. Who made and used these tools?