Earth
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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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Climate
Extreme heat on the rise
Recent years saw an increase in peak high temperatures on land despite Earth’s stalled averages.
By Beth Mole -
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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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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Environment
Legionnaires’ disease bacteria lurk in tap water
Found in nearly half of faucets, contamination could explain sporadic cases of disease.
By Beth Mole -
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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Life
Big study raises worries about bees trading diseases
Pathogens may jump from commercial colonies to the wild.
By Susan Milius -
Oceans
Unknowns linger for sea mining
Scientists struggle to predict underwater digs’ effects on sea life.
By Beth Mole -
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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Climate
Sharks could serve as ocean watchdogs
Tagged with sensors, toothy fish gather weather and climate data in remote Pacific waters.
By Beth Mole -
Ecosystems
Arctic melting may help parasites infect new hosts
Grey seals and beluga whales encounter killer microbes as ranges change.
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Environment
How oil breaks fish hearts
Hydrocarbons that spill into oceans stifle the beat of tuna cardiac cells.
By Beth Mole