NOVA scienceNOWSeason 22006 · 5 episodesEpisodes1AsteroidThe Apophis asteroid, the size of a football stadium, is headed towards Earth and should arrive in 2036.Island of Stability: The long road to creating element 114.Obesity: The biology of eating.Profile: Karl Iagnemma: A look at MIT roboticist and fiction writer Karl Iagnemma.2Mass ExtinctionWhat caused the greatest mass extinction nearly 250 million years ago?1918 Flu: The 1918 flu virus is revived and decoded in the hopes that we can learn from it before the next pandemic.Profile: Cynthia Breazeal: A look at MIT social roboticist Cynthia Breazeal.Papyrus: Can we use space-age technology to read papyri fragments that are almost 2,000 years old?3AgingA look at recent research on the aging process, and how we might slow it down.Space Elevator: The possible creation of a "space elevator" made from nanotubes, and a NASA contest designed to fuel innovation behind this idea.Maya: The use of a new NASA satellite technique to find lost Maya ruins.Profile: Bonnie Bassler: A look at Princeton molecular biologist Bonnie Bassler and her research on bacteria communication.4SleepSleep may play an important role in strengthening memories.CERN: The Large Hadron Collider (LHC) nears completion at the international particle physics lab in Geneva, Switzerland.Emergence: Scientists try to understand a phenomenon called emergence, which allows a flock of birds or a school of fish to maintain such impressive order.Profile: Julie Schablitsky: A profile of University of Oregon archaeologist Julie Schablitsky, whose research is helping to rewrite the history of the Old West.5Dino Blood?A paleobiologist has discovered preserved blood vessels and red blood cells in a 68-million-year-old dinosaur bone.Epigenetics: It seems that diet and lifestyle actually change the expression of our genes.Kryptos: A sculpture called Kryptos in the courtyard of CIA headquarters, contains a code that has yet to be fully broken.Profile: Arlie Petters: A look at Duke University Professor of Mathematics and Physics, and his research in the field of gravitational lensing.Season 1Season 3Season 4Season 5Season 6