Media Summary: RNA, the close chemical cousin of DNA, was once thought to be a bit player in the life of a cell, but not anymore. RNA is now at the ... As Americans grapple with ever-increasing waistlines, science is looking at the biology behind the compulsion to eat. See how "exercise in a pill" could one day help the elderly and the bedridden. For more visit
Nova Sciencenow Episode 8 - Detailed Analysis & Overview
RNA, the close chemical cousin of DNA, was once thought to be a bit player in the life of a cell, but not anymore. RNA is now at the ... As Americans grapple with ever-increasing waistlines, science is looking at the biology behind the compulsion to eat. See how "exercise in a pill" could one day help the elderly and the bedridden. For more visit Two teams of spacewalkers take on unprecedented challenges to repair the world's most beloved telescope on Saving Hubble ... Since the 1950s, rockets have powered humanity's journey to space, but a new technology could change everything. Engineers ... How does sleep affect a surgeon's learning and performance?
Premieres Wednesday, February 16, 2011 at 8PM on most Once we find a planet that has Earth-like potential, how can we tell if there is life on it? Harvard astrophysicist Lisa Kaltenegger ... In 1918, bird flu randomly acquired the gene for coughing and sneezing. This version of the bird flu didn't do much to birds, but ...
