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.
Dr. Rick Potts talks about his research on early human adaptability to climate change in Africa and China.