Science Friday Initiative
Science Friday: Is a Moon Necessary for a Planet to Support Life?
Researchers are studying our moon's effects on the Earth to guide their search for habitable worlds elsewhere.
Science Friday Initiative
Science Friday: Good Health Alone May Not Be the Key to Longevity
Researchers studying longevity made the unexpected discovery that older people may be no healthier than the average person, and may have just as many bad habits, e.g., smoking, drinking, etc. Aired Aug. 5, 2011 [12:10]