Earth

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  1. Climate

    Cultivation changed monsoon in Asia

    The loss of forests in India, China during the 1700s led to a decline in monsoon precipitation.

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  2. Health & Medicine

    Pancreatic cancer linked to herbicides

    Featured blog: Some weed killers may need to be treated with more respect.

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  3. Earth

    Phytoliths as climate clues

    Tiny silica plant structures from soil could track temperature changes.

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  4. Earth

    Bricks, mortar and magnetism

    Medieval French castle, churches yield new data about Earth’s changing magnetic field.

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  5. Earth

    A more organic meteorite

    Some meteorites may contain a higher concentration of organic chemicals than previously thought.

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  6. Health & Medicine

    Air pollution makes chromosomes look older

    Traffic exhaust appears to shorten telomeres, a sign of cellular aging.

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  7. Life

    Life on Earth took a licking, kept on ticking

    Earth's early organisms may not have had to restart after a long spell of asteroid impacts.

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  8. Chemistry

    BPA: On the way out? Sort of

    Half-hearted bans won't really protect babies, much less the rest of us.

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  9. Psychology

    School-age lead exposures most harmful to IQ

    New studies find lead exposure has greater potency in school-age children than in infants and toddlers, including effects on brain volume.

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  10. Chemistry

    Nonstick chemical pollutes water at notable levels

    Residues of nonstick chemicals — from unknown sources — appear to be approaching concentrations associated with adverse effects in laboratory animals.

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  11. Animals

    Controversial polar bear rule stands

    Creature’s plight remains separate from decisions on greenhouse gas emissions.

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  12. Earth

    Federal budget’s new ‘black book’

    The administration details a proposed $17 billion in budget savings in a new book.

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