Earth

  1. Chemistry

    Pesticides tied to lower IQ in children

    Chemicals once sprayed in homes — and still used on farms — were found to have significant effects in three studies.

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  2. Earth

    Earth/Environment

    Breakfast may help get the lead out, plus burrowing trilobites and warmer truffles in this week's news

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  3. Life

    Complex life hit freshwater early

    Tiny fossils in Scottish rock show that cells with nuclei had spread beyond the seas by a billion years ago.

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  4. Earth

    Seismologists rumble over quake clusters

    Japan tremor may be part of a second grouping of great quakes since 1900, some scientists say.

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  5. Life

    Antarctic lake hides bizarre ecosystem

    Bacterial colonies form cones similar to fossilized examples of Earth’s early life.

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  6. Tech

    Fishy fat from soy is headed for U.S. dinner tables

    Most people have heard about omega-3 fatty acids, the primary constituents of fish oil. Stearidonic acid, one of those omega-3s, is hardly a household term. But it should become one, researchers argued this week at the 2011 Experimental Biology meeting.

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  7. Earth

    Earth/Environment

    Forecasting volcanic eruptions, plus saving mangroves and long-distance pollution in this week’s news.

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  8. Life

    Why diversity rules

    A new experiment demonstrates the way a multitude of specialized species absorb nutrients more effectively than a highly productive one.

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  9. Earth

    Arctic Ocean hosts weird freshwater pond

    Odd, persistent winds prevent river inputs from mixing with the sea.

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  10. Earth

    AGU conference on climate and civilizations

    Ancient trash piles yield Everglades trees, plus 'green' Vikings and more in meeting news.

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  11. Earth

    A matter of gravity

    A new map of Earth’s gravitational field is the sharpest ever acquired.

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  12. Humans

    Record ‘Arctic’ ozone minimum expands beyond Arctic

    In mid-March, our online story about the thinning of stratospheric ozone over the Arctic noted that conditions appeared primed for regional ozone losses to post an all-time record. On April 5, World Meteorological Organization Secretary-General Michel Jarraud announced that Arctic ozone had indeed suffered an unprecedented thinning. And these air masses are on the move to mid-latitudes.

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