Earth

  1. Earth

    A crack and a fault in paradise

    Mauna Loa, Hawaii's most massive volcano, may be splitting the Earth's crust.

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  2. Earth

    Fabulon: Looking less fabulous

    The source of polychlorinated biphenyls found heavily tainting some homes—and their dwellers—appears to be a durable topcoat for hardwood floors that was widely used a half-century ago.

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  3. Earth

    Identifying Polluters

    Three major business schools have teamed up to map some 20,000 sources of industrial pollution. You can search for polluters in a particular region, in a designated industry, or those associated with a named company, then probe their emissions by type and quantity, look at how their pollutant trends have changed over time, and compare […]

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  4. Environment

    How Plastic We’ve Become

    Uncle Sam has confirmed it: Our bodies carry residues of kitchen plastics.

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  5. Earth

    Bird’s-eye view of Antarctic ice loss

    Satellite images of Antarctica between 1992 and 2006 indicate that the continent was losing ice much faster at the end of that period than it was a decade before.

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  6. Earth

    Switchgrass may yield biofuel bounty

    Making ethanol from switchgrass yielded more than 5 times more energy than needed to grow the crops in a large-scale farming trial.

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  7. Agriculture

    A Sweeter Hops

    Federal scientists have bred a new, antimicrobial-rich hops variety for tea.

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  8. Earth

    Hued Afterglow: Fingerprinting diamonds via phosphorescence

    The eerie phosphorescence displayed by a rare form of blue diamond can be used as an easy, cheap, and nondestructive way to identify individual gemstones and to distinguish natural blue diamonds from synthetic ones.

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  9. Earth

    Focus on Our Planet

    Although the United Nations has officially designated 2008 as the International Year of Planet Earth, the 3-year celebration actually began a year ago and will continue through December 2009. The program’s ultimate goal: “to build safer, healthier and wealthier societies around the globe” through a better appreciation for and harnessing of Earth sciences. The UN […]

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  10. Earth

    Plowing the Ancient Seas: Iceberg scours found off South Carolina

    Recent sonar surveys off the southeastern United States have detected dozens of broad furrows on the seafloor that were carved by icebergs during the last ice age.

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  11. Earth

    In 2007, Greenland set a melting record

    The duration and extent of ice melt across high-altitude portions of the Greenland ice sheet last year were the highest they've been in recent decades, satellite observations indicate.

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  12. Earth

    No-drive experiment curbs air pollution in Beijing

    Traffic-control measures can significantly reduce urban air pollution, a field study in Beijing this past summer indicates.

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