Earth

  1. Humans

    What’s in your wallet? Another ‘estrogen’

    A chemical cousin of bisphenol A, a hormone mimic, has turned up on banknotes from around the world in addition to tainting 14 other types of papery products. Owing to the near ubiquity of BPS in paper, human exposure is likely also “ubiquitous,” conclude the study's authors. Oh, and a second new study shows that BPS behaves like an estrogen.

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  2. Earth

    Icelandic volcanoes slumber today, but not forever

    Eruptions pepper the North Atlantic island.

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  3. Earth

    Geologists play with puzzles about past and future supercontinents

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  4. Agriculture

    SN Online

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  5. Earth

    Linking magma to quakes

    Rock crystals reveal pulses of underground activity.

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  6. Earth

    13th century volcano mystery may be solved

    Indonesian volcano may be the culprit in the biggest eruption of the last seven millennia.

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  7. Life

    Grasshoppers’ terror outlives them

    After an existence plagued by predatory spiders, the insects pass into oblivion, leaving a legacy of impoverished soil.

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  8. Life

    Calcium offers clues in mass extinction

    Ocean acidification during Permian period may have caused the Great Dying.

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  9. Earth

    Ancient volcanoes destroyed ozone

    Prehistoric eruptions gave off huge amounts of a gas that erodes the UV-blocking atmospheric layer.

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  10. Life

    Microbes flourish under Arctic sea ice

    Oceanographic expedition surprised to find photosynthetic microorganisms thriving under frozen surface.

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  11. Tech

    Court ‘shares’ researchers’ e-mails, intellectual property

    “A situation has arisen involving scientists at the Woods Hole Oceanographic Institution (WHOI) that should concern all those who value the principles of academic freedom and responsibility,” warns top WHOI officials. They were responding to a court order requiring that two WHOI scientists turn over 3,500 emails and other documents to BP. Included in the information was intellectual property that outsiders could exploit.

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  12. Earth

    Arctic’s wintry blanket can be warming

    Forested snowscapes keep northern soils relatively toasty, diminishing how much climate-warming carbon they can sequester from the atmosphere.

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