Earth

  1. Animals

    Spotted seals hear well in and out of water

    Spotted seals, native to the northern parts of the Pacific, hear frequencies that may mean they are susceptible to the effects of anthropogenic noise.

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  2. Climate

    Cloudy forecast

    Over decades climatologists have grown more confident in their projections of the future impact of greenhouse gas emissions. But whether shifts in cloudiness will amplify global warming continues to vex researchers.

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  3. Agriculture

    Where antibiotics go

    Of the 51 tons of antibiotics consumed every day in the United States, about 80 percent goes into animal production.

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  4. Climate

    Extreme heat on the rise

    Recent years saw an increase in peak high temperatures on land despite Earth’s stalled averages.

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  5. Environment

    Handling receipts increases exposure to BPA

    People who handle cash register receipts printed on thermal paper show notable exposure to bisphenol A.

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  6. Earth

    Age of Earth’s crust confirmed

    Decaying atoms traced in zircon uphold dating of Earth's crust at about 4.374 billion years old.

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  7. Environment

    Legionnaires’ disease bacteria lurk in tap water

    Found in nearly half of faucets, contamination could explain sporadic cases of disease.

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  8. Animals

    Fish lose their fear on a denuded reef

    Juvenile damselfish lose their ability to smell danger when in a degraded habitat.

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  9. Life

    Big study raises worries about bees trading diseases

    Pathogens may jump from commercial colonies to the wild.

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  10. Oceans

    Unknowns linger for sea mining

    Scientists struggle to predict underwater digs’ effects on sea life.

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  11. Earth

    Magma spends most of its existence as sludgy mush

    Volcanic magma may spend most of its time in a chunky state resembling cold porridge, a new study finds.

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  12. Climate

    Sharks could serve as ocean watchdogs

    Tagged with sensors, toothy fish gather weather and climate data in remote Pacific waters.

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