Earth

  1. Earth

    Salty water power

    A study reports a new, cheaper way to harvest energy from salt water and fresh water.

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  2. Tech

    Electric grid still very vulnerable to electromagnetic weaponry

    BLOG: Smart grid advocates weigh in on the vulnerability of the U.S. electrical infrastructure to electromagnetic pulse radiation.

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  3. Paleontology

    Fossil shows first all-American honeybee

    Nevada find contradicts long-held view of Europe and Asia as the native land of all honeybees.

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  4. Humans

    Traffic hydrocarbons linked to lower IQs in kids

    Prenatal exposures to common air pollutants correlate with a drop in intelligence scores.

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  5. Earth

    Pollution vs health reform

    Health care reform should include investments in measures that curb the pervasive pollution contributing to costly disability and disease.

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  6. Earth

    Lopsided lights

    Simultaneous snapshots reveal that northern and southern auroras aren’t always alike.

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  7. Earth

    A hundred new nukes?

    Here are some issues to contemplate while deciding whether to welcome the nuclear-power renaissance that Sen. Alexander has just proposed.

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  8. Earth

    Signs of ancient sea ice

    New analyses of Arctic seafloor sediments suggest floating ice debuted in the ocean at least 47.5 million years ago.

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  9. Earth

    Arctic images declassified

    High-res Arctic sea images should be declassified, says National Research Council.

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  10. Earth

    Bird deaths blamed on vitamin deficiency

    Shortage of thiamine may have been killing birds in the Baltic and possibly elsewhere for some 25 years.

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  11. Earth

    Erosion, on the down low

    Experiments show how microscopic fungi attack minerals to begin the erosion process.

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  12. Humans

    What’s in your bottled water?

    A congressional hearing found bottled-water quality is not regulated as strictly as tap water is.

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