Earth

  1. Agriculture

    Downtown Fisheries?

    Advances may make fish farming a healthy prospect, even for inner cities.

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  2. Earth

    U.S. smog limit permits subtle lung damage

    Ambient concentrations of smog ozone in many regions can cause lungs to leak, potentially compromising the health of even robust people.

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  3. Earth

    Air-Pollution Pileup: Mediterranean endures emissions from afar

    Although most Mediterranean countries aren't big polluters, the area is a crossroads for pollution-carrying air currents from Europe, Asia, and North America.

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  4. Earth

    Snowball Melting? Ancient formation shows glacier activity

    An ancient, well-preserved glacial formation in Oman provided evidence that Earth experienced intermittent ice ages like those in Earth's more recent history.

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  5. Earth

    Contraceptive-Patch Worry: Disposal concern focuses on wildlife

    Some scientists now worry that discarded contraceptive patches may leak synthetic estrogen into the environment, potentially harming wildlife.

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  6. Earth

    Haze clears on sooty climate conditions

    The results of a new study suggest that soot plays a bigger role in regional climate changes than scientists had previously realized.

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  7. Earth

    Shifting Sands

    Sand dunes can provide scientists with clues about ancient patterns of wind and precipitation.

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  8. Earth

    Global warming is marmot wake-up call

    Marmots are coming out of hibernation earlier, while chipmunks and ground squirrels sleep longer-effects that could be attributed to global warming.

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  9. Earth

    Lawn Agent Cues Embryo Shortfall: Herbicide weeds out mice in the womb

    Minuscule amounts of over-the-counter weed killers impair reproduction in mice.

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  10. Earth

    Clipping the Fin Trade

    New research and policy developments aim to curb the wasteful and gruesome practice of killing sharks solely for their fins.

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  11. Earth

    Impurities clock crystal growth rates

    A novel method for measuring tiny amounts of hydrogen-containing impurities allows researchers to determine growth rates along different directions in a quartz crystal.

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  12. Earth

    A deadly threat in undeployed airbags

    The extremely toxic and reactive chemical used to inflate airbags could cause risks to human health and wildlife if accidentally released into the environment.

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