A video with close-up and landscape views of the Engare Sero footprints (1:21 mins)
Meet Briana Pobiner - human origins researcher and educator at the Smithsonian's National Museum of Natural History in Washington, D.C.
This video explores the link between climate change and human evolution.
Take a walk with Homo erectus as this species expands its range out of Africa nearly 2 million years ago.
Watch paleoartist John Gurche as he sculpts early human likenesses for the Smithsonian's Hall of Human Origins.