Fossilized footprints reveal 2 extinct hominin species living side by side 1.5 million years ago
Human footprints stir the imagination. They invite you to follow, to guess what someone was doing and where they were going. Fossilized footprints preserved in rock do the same – they record instants in the lives of many different extinct organisms, back to the earliest creatures that walked on four…
The Conversation ·
The Conversation
