Environment

  1. Animals

    Malformed frogs rarer than thought

    Frogs with skin cysts or shortened or missing legs make up only 2 percent of the amphibians collected during a 10-year study.

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  2. Environment

    Polluted water interferes with drug that combats parasitic scourge

    Arsenic contamination fuels resistance to one treatment for leishmaniasis.

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  3. Environment

    Mercury contamination in California to last 10,000 years

    Toxic remnants of gold rush will seep into San Francisco area waterways for millennia.

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  4. Environment

    Feedback

    Readers respond to "Solving soot," trade-offs of horn size for male Soay sheep and the huge galactic explosion story from 50 years ago.

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  5. Agriculture

    Fertilizer has staying power

    Nitrogen-based fertilizer may remain in the soil for eight decades, complicating efforts to reduce pollution from runoff into rivers.

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  6. Environment

    Pregnant women carry fewer traces of flame retardants

    Class of toxins linked to IQ deficits dropped drastically in three years, a new study shows.

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  7. Environment

    Cattle chemical can return in the night

    Steroid to beef up cows breaks down, but can reassemble under the right conditions.

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  8. Environment

    Cool Idea

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  9. Environment

    Grain alcohol in gasoline?

    An excerpt from the September 21, 1963, issue of Science News Letter.

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  10. Environment

    Atomic ant sand

    Robb Hermes asked for sand ants to get samples of Trinitite, a material created in the test blasts of the first atomic bomb.

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  11. Chemistry

    High methane in drinking water near fracking sites

    Well construction and geology may both play a role in pollution.

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  12. Coves del Drac
    Earth

    Cave detective hunts for clues to past sea level

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