October 1, 2014
Campfires may have played a big role in bringing early humans together.
September 30, 2014
Mass canine vaccination campaigns could eliminate human deaths from rabies in developing countries.
September 29, 2014
Earth’s Ancient Water
The earth’s water is older than the sun’s and may point to the possibility of life in other parts of space.
September 26, 2014
To hit a fastball, a batter's brain has to predict when it'll come across the plate.
September 25, 2014
Flu Shots & Pregnancy
Flu shots protect pregnant women - and their babies.
August 1, 2014
LESSONS FROM THE DEAD (Encore Presentation) - Scientists attempt to bring back an extinct frog. Mummies showing signs of heart disease make researchers rethink assumptions about lifestyle and diet. The mysterious death zone within African "fairy circles" explained. Also: a miniature laboratory under the skin monitors blood chemistry.