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  • China and U.S. Promise to Combat Climate Change

    China and U.S. Promise to Combat Climate Change

    The world's two largest polluters committed to taking action against global warming—but offered few specifics

    September 24, 2014

  • What Gives a Baseball Its Bounce?

    What Gives a Baseball Its Bounce?

    Explore what is at the core of a baseball

    September 18, 2014

  • New Future for Nuclear-Fusion Energy Research

    New Future for Nuclear-Fusion Energy Research

    Facilities should support the beleaguered ITER project, a panel recommends

    September 23, 2014

  • Touch-Down Site Selected for Comet Lander

    Touch-Down Site Selected for Comet Lander

    A robotic probe set to be released in November by the Rosetta spacecraft will land on the "head" of a comet said to be shaped like a rubber duckie

    September 15, 2014

  • New Report on Chimp Violence Fails to Support Deep-Roots Theory of War

    New Report on Chimp Violence Fails to Support Deep-Roots Theory of War

    On this blog, in my book The End of War and elsewhere (see Further Reading and Viewing), I have knocked the deep roots theory of war, which holds that war stems from an instinct deeply embedded in the genes of our male ancestors.

    September 17, 2014

  • New Figures Paint Even Bleaker Picture for Ebola Crisis

    New Figures Paint Even Bleaker Picture for Ebola Crisis

    Can beefed up U.S. aid stem the tide of Ebola deaths in the months ahead?

    September 23, 2014

  • Does Marijuana Harm the Brain?

    Does Marijuana Harm the Brain?

    September 1, 2014

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