Explorer Ann Bancroft heads back to the North Pole Ann Bancroft talks about her latest planned North Pole expedition. This time, it's not so much about being the first to do something new. She says the trip will also raise awareness about global warming.9:06 a.m.
Ann Bancroft: Polar explorer. She and her partner Liv Arneson plan another Arctic expedition starting March 1.
New discoveries shed light on human evolution From Lucy's daughter to Neanderthal DNA, new discoveries in the world of paleontology are giving us a better picture of how humans evolved. A rebroadcast of Kerri Miller's interview with Donald Johanson, one of the leading experts in the field.10:06 a.m.
Donald Johanson: Director of the Institute of Human Origins at Arizona State University and coauthor of "From Lucy to Language," which has recently been updated. He discovered the 3.2 million-year-old Lucy skeleton in Africa in 1974.