Science Apr 25 Why humans may have more in common with chimps than we thought By Jeffrey Brown, Leah Nagy
Science Jun 21 Koko, gorilla who communicated with sign language and raised kittens, dies at 46 Koko's capacity for language and empathy opened the minds and hearts of millions of people, the Gorilla Foundation said. By Associated Press
Science Oct 01 Watch Fossil Find Sheds Light on ‘Early Evolutionary Steps’ A 4.4-million year old fossil, discovered in Africa has opened a window onto humans' "early evolutionary steps," according to the group of scientists responsible for the find. Ray Suarez reports.
Science Nov 15 Watch Scientists Reach Breakthrough in Cloning Monkey Embryos Oregon scientists announced the successful cloning of monkey embryos this week, a major breakthrough in the field of stem cell research. NewsHour Health correspondent Susan Dentzer details their findings.