• November 10, 2011  

    Should President Obama approve a major extension of the Keystone XL pipeline? Ray Suarez discusses that question, which has divided business, environmental groups and labor unions, with The Washington Post’s Juliet Eilperin. Continue reading

  • November 10, 2011  

    Eight months after a tsunami caused a nuclear accident in Japan, ordinary people are using new technology and the power of crowdsourcing to find radiation hotspots. NewsHour science correspondent Miles O’Brien reports from Japan. Continue reading

  • November 8, 2011    

    This radar image of asteroid 2005 YU55 was obtained at 2:45 pm ET on Nov. 7 when the space rock was 860,000 miles from Earth. Photo by NASA/JPL-Caltech. As folks on the East Coast are feeding the dog, cooking spaghetti … Continue reading

  • November 8, 2011  

    Can the government track a suspect using a GPS device without a warrant? That question was at the center of a high-profile case before the Supreme Court on Tuesday. Judy Woodruff discusses the oral arguments in the case with the National Law Journal’s Marcia Coyle. Continue reading

  • November 7, 2011    

    On a regular basis, reporter Jenny Marder tackles a question in science and technology news. It’s a feature we call “Just Ask.” Today our topic is DNA. What is noncoding DNA, and why do we need it? In 1953, James … Continue reading

  • November 4, 2011    

    More than 500 days of isolation with five other guys … could you do it? That is what one Chinese man, two European and three Russian men have been through to simulate what humans might encounter if they attempted to … Continue reading

  • November 4, 2011    

    As river dams age, communities wrestle with how to how to repair and remove them, and a lack of scientific understanding on the subject doesn’t help. How does dam removal affect river systems? Could it cause catastrophic flooding? And how … Continue reading

  • November 3, 2011    

    In NOVA’s latest four-part series, physicist Brian Greene covers an astonishing swath of material in the world of physics: quantum mechanics, general relativity, light speed and gravity and the search for elusive subatomic particles. The series is based on his … Continue reading

  • November 2, 2011  

    Stanford University biologist Nathan Wolfe is the founder and director of the Global Viral Forecasting Initiative and one of the world’s more prominent virus hunters. Ray Suarez and Wolfe discuss his new book, “The Viral Storm: The Dawn of a New Pandemic Age,” and new viruses emerging around the planet. Continue reading

  • November 1, 2011    

    Photo by Flickr user J. Paxon Reyes. Chocolate may be the most sought-after treat among trick-or-treaters on Halloween, with little hands grasping for all of the milk- and dark-chocolate morsels they can collect, but the details of its taste and … Continue reading