Earth

  1. 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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  2. 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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  3. 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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  4. Earth

    Shifting Sands

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

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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. Earth

    It’s high tide for ice age climate change

    Tides may sometimes be strong enough to tug Earth into an ice age.

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  11. Earth

    Moderate flows help carve rivers

    Measurements of erosion in a rocky river channel in Taiwan suggest that the day-to-day flow of water accounts for more rock wear there than occasional catastrophic floods do.

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  12. Earth

    Gasoline additive’s going, but far from gone

    As the federal government proposes phasing out the gasoline additive MTBE, scientists explore ways to remove this potential carcinogen from drinking-water supplies that it has tainted throughout the nation.

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