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Your search has returned 78 articles:
  • Feature

    2011 Science News of the Year: Science & Society

    Following earthquake and tsunami, radiation is Japan’s true aftershock

    The worst earthquake in Japan’s recorded history — and, at magnitude 9.0, one of the most powerful ever recorded — didn’t end when the shaking did on March 11. Within hours, a meters-high tsunami swamped much of the coastline, including the Fukushima Daiichi nuclear power station, setting off the worst...

    12/19/2011 - 12:10 Science & Society
  • Feature

    2011 Science News of the Year: Atom & Cosmos

    Not so fast, neutrinos

    News of particles zipping along faster than light (SN: 10/22/11, p. 18) was met with universal skepticism — including from the physicists in Italy who reported the results. But the Gran Sasso National Laboratory’s OPERA team hasn’t found any source of error that could explain how the neutrinos appeared to shave 60 nanoseconds off of light-speed travel time while...

    12/19/2011 - 12:10
  • Feature

    2011 Science News of the Year: Nutrition

    Howard Oates/Istockphoto

    The value of vitamin D

    The simmering debate over vitamin D came to a boil as the scientific organization representing hormone experts embraced daily recommendations for the vitamin that far exceed those put forward in late 2010 by a U.S. Institute of Medicine panel. The Endocrine Society asserted in July that people need two to three times as much...

    12/19/2011 - 12:09
  • Feature

    2011 Science News of the Year: Molecules

    Molecular muscle does the job

    Chemists often wish they could reach into a test tube and physically force a chemical reaction — and now they’ve come pretty darn close. In a feat of molecular arm-twisting, researchers attached polymer chains to an extremely stable ring-shaped molecule and tore it in two (SN Online: 9/15/11). The new approach split the triazole ring, a compound found in...

    12/19/2011 - 12:08
  • Feature

    2011 Science News of the Year: Environment

    Courtesy of Christopher Arp/USGS

    Arctic warming signs

    Climatologists pointing to the Arctic as the leading baro­meter of global change have plenty of new evidence that wholesale warming is under way. Observational data indicate that the region’s air, soils and water have warmed substantially since 2006, suggesting that the climate has established a “new normal” (SN Online:...

    12/19/2011 - 12:07