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  1. Weed Killer in the Crosshairs

    Concerns prompt reexamination of atrazine’s safety.

    By Janet Raloff

  2. Of Swine and Men

    Scientists study H1N1’s past to predict what  the virus has in store.

    By Laura Sanders

  3. Quantum on Quantum

    Entangled photons validate Feynman’s vision for simulating nature.

    By Charles Petit

  4. Assessing the state of U.S. science and engineering

    Every two years, the National Science Board reports to the president and Congress about the state of the science landscape. This year’s Science and Engineering Indicators report was presented to the White House on January 15. The chairman of the board’s Science and Engineering Indicators committee, physicist Louis Lanzerotti of the New Jersey Institute of […]

    By Louis Lanzerotti
  5. Paleontology

    Sail-backed dinos had semiaquatic lifestyle

    Isotopic analyses of fossils suggest the carnivores had crocodile-like habits.