Wolf Blitzer delivers the most important news and political stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.
Researchers were able to successfully grow human hair in bald places on mice. CNN's Senior Medical Correspondent Elizabeth Cohen tells Wolf Blitzer about what the promising breakthrough means for people.
CNN's Lisa Sylvester looks at how science is very close to being able to give new life to extinct animals.
U.S. Rep. Paul Broun challenges several scientific theories, calling them "lies straight from the pit of hell."