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  • Alpha Magnetic Spectrometer
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  • Feature

    Sam Ting tries to expose dark matter's mysteries

    In the near vacuum of outer space, each rare morsel of matter tells a story. A speedy proton may have been propelled by the shock wave of an exploding star. A stray electron may have teetered on the precipice of a black hole, only to be flung away in a powerful jet of searing gas.

    Since 2011, the International Space Station has housed an experiment that aims to decipher those origin...

    03/06/2015 - 12:27 Particle Physics, Cosmology
  • Feature

    Space Eats

    Even an Iron Chef couldn’t master what a food-centric cadre of NASA scientists do every day: Devise tasty, healthy meals for astronauts to take into low-Earth orbit and beyond — perhaps even to Mars.

    Feeding people in space is harder than it sounds. Meals have to contain enough nutrients to keep the human body functioning in near-zero gravity. Slicing, dicing and stir-...

    11/04/2011 - 10:52
  • News

    Rapid evolution may be reshaping forest birds’ wings

    PHILADELPHIA — When trees fall in the forest, unheard or not, they may change the shape of bird wings. 

    As logging whittled away at Canada’s vast boreal forest during the past century, bird species that frequent mature woodlands developed somewhat pointier wing tips, says André Desrochers of the Center for Forest Research at Laval University in Québec City.

    During the...

    08/14/2009 - 18:49 Earth & Environment, Life & Evolution, Animals
  • Science & the Public

    Moms: One Solution to Tainted Milk

    This morning I read that East Asian chocolates are the latest fallout from the ongoing melamine-tainted-milk crisis. Certain chocolate candies have been testing positive for melamine — even those produced under such name brands as Cadbury and M&Ms. As distressing as that is to inveterate chocolate consumers (like me), the real crisis of course is the health of an estimated 52,000 Chinese...

    09/30/2008 - 11:38 Biomedicine, Chemistry, Nutrition, Humans & Society
  • Science & the Public

    McCain Is Bullish on R&D

    Sen. John McCain at last has submitted answers to the 14 written questions posed to each candidate by the Science Debate 2008 organization. The Republican senator’s responses confirm that he’s bullish on research and technology, albeit more fiscally conservative than Obama when it comes to federal funding of research and development.

    To date, McCain’s tech stance has been...

    09/15/2008 - 14:17 Astronomy, Climate, Computing, Earth & Environment, Matter & Energy, Humans & Society, Technology
  • News

    Tame-walk potion

    It’s a dog-walker’s dream, a dose that quashes the urge to dash around without guidance. Too bad it works just for cockroaches.

    A new analysis in the June 24 Current Biology reveals how venom of the jewel wasp (Ampulex compressa) wields such power over roaches. Once stung, cockroaches become so biddable that the small wasp can grab an antenna and lead the roach to a wasp...

    06/05/2008 - 12:52 Body & Brain, Life & Evolution