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  • Titan Could Host Life "Not As We Know It"

    日期:2015-03-09 09:38:01 点击:103 好评:0

    Saturn's moon Titan is too cold for cell membranes to form as they do on Earth. But researchers have come up with a cell membrane that could exist on Titan. Christopher Intagliata reports...

  • Climate Skeptic Senator Burned after Snowball Stunt

    日期:2015-03-09 09:35:29 点击:107 好评:0

    Oklahoma Sen. James Inhofe carried a snowball onto the Senate floor to insinuate that climate change was not real, after which Rhode Island Sen. Sheldon Whitehouse torched Inhofe's argument. Steve Mirsky reports...

  • Preindustrial Pollution Pestered Peru

    日期:2015-02-12 17:06:48 点击:283 好评:0

    Ice cores show a sudden rise in heavy metal air pollution in South America 240 years before the industrial revolution, probably due to metallurgy and mining. Karen Hopkin reports...

  • Wearable Step Counters Offer Exercise Leg Up

    日期:2015-02-12 17:03:20 点击:130 好评:0

    High-tech pedometers do a decent job of counting steps accurately. Dina Fine Maron reports....

  • Gates CEO: Let's Shrink Maternal Mortality

    日期:2015-01-29 14:25:03 点击:235 好评:0

    Bill & Melinda Gates Foundation CEO Susan Desmond-Hellmann talks about some of what needs to be done to make a reality of the foundation's aspiration to cut maternal mortality by two thirds by 2030 ...

  • Is Recycling Worth the Effort?

    日期:2015-01-29 14:23:37 点击:232 好评:0

    The value of recycling depends on the material in question and whether all hidden costs and benefits go into the analysis. David Biello reports...

  • Climate Influences Language Evolution

    日期:2015-01-29 14:21:50 点击:180 好评:0

    The ease with which certain sounds are produced in different climes plays a role in the development of spoken languages. Christopher Intagliata reports....

  • Snail's Venom Puts Fish in Insulin Coma

    日期:2015-01-27 14:52:12 点击:156 好评:0

    The cone snail's venom contains not only neurotoxins, but insulin, too—which stuns the fish it preys on. Christopher Intagliata reports...

  • Long-Lost Lander Found on Mars

    日期:2015-01-27 14:49:52 点击:103 好评:0

    New images from NASA spacecraft reveal Beagle 2’s final resting place. Lee Billings reports...

  • Tech Consequences Voiced By Carnegie Mellon Prez

    日期:2015-01-26 13:10:34 点击:104 好评:0

    At the World Economic Forum, Carnegie Mellon president Subra Suresh talks about dealing with the unintended consequences of ever more sophisticated intelligent devices. ...