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  • News

    Clever way to break the nitrogen-nitrogen bond

    To break some chemical bonds you need to know a guy, who knows a guy who knows a compound. Scientists ordered just such a hit and have broken two of the toughest bonds in chemistry in the laboratory equivalent of broad daylight. The reaction yields a new chemical connection and could lead to more direct routes for making various drugs or other biologically important compounds.

    In the...

    12/13/2010 - 13:01 Chemistry
  • Feature

    2009 Science News of the Year

    Brevity is in. If what you have to say can’t be delivered in 140 characters or less, you should reconsider your message — or so it seems in a world agog with texting and Twitter. Compiling Science News’ annual list of scientific highlights brought home the good and bad of this trend. Indeed, some of this year’s best stories are easily conveyed in a handful of words: a surprising human...

    12/18/2009 - 17:48
  • Feature

    2009 Science News of the Year: Numbers

    The stats on fielding Astute baseball fans know who has the golden glove, but assigning a number to a player’s defensive merits has been tricky. Benjamin Baumer, a statistician for the New York Mets, suggests that new methods could offer a fuller picture (SN: 8/29/09, p. 16). The long-used formula for measuring a player’s fielding ability doesn’t give credit for superior range,...

    12/18/2009 - 17:35 Numbers
  • Feature

    2009 Science News of the Year: Genes & Cells

    Cancer-fighting roles Scientists have discovered a new role in cancer protection for an already well-known tumor suppressor protein. The protein, called p53, protects cells from becoming cancerous by sensing stress and either shutting down cell division or triggering cell death. Researchers at the University of Tokyo and colleagues have discovered that p53 also plays a role in slicing...

    12/18/2009 - 17:07 Genes & Cells
  • Feature

    2009 Science News of the Year: Molecules

    New bond in the basementBasements house hidden treasures — including a chemical bond never before seen in living things. Scientists have discovered that collagen fibers in the basement membrane — a tough, structural layer of cells that surrounds most tissues in animals — are connected by a sulfur-nitrogen bond (SN: 9/26/09, p. 5). Basement membranes anchor cells, provide a...

    12/18/2009 - 17:06 Chemistry