Earth
We summarize the week's scientific breakthroughs every Thursday.
- Agriculture
Where antibiotics go
Of the 51 tons of antibiotics consumed every day in the United States, about 80 percent goes into animal production.
- Climate
Extreme heat on the rise
Recent years saw an increase in peak high temperatures on land despite Earth’s stalled averages.
- Environment
Handling receipts increases exposure to BPA
People who handle cash register receipts printed on thermal paper show notable exposure to bisphenol A.
- 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.
- Environment
Legionnaires’ disease bacteria lurk in tap water
Found in nearly half of faucets, contamination could explain sporadic cases of disease.
- Animals
Fish lose their fear on a denuded reef
Juvenile damselfish lose their ability to smell danger when in a degraded habitat.
- Life
Big study raises worries about bees trading diseases
Pathogens may jump from commercial colonies to the wild.
- Oceans
Unknowns linger for sea mining
Scientists struggle to predict underwater digs’ effects on sea life.
- 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.
- Climate
Sharks could serve as ocean watchdogs
Tagged with sensors, toothy fish gather weather and climate data in remote Pacific waters.
- Ecosystems
Arctic melting may help parasites infect new hosts
Grey seals and beluga whales encounter killer microbes as ranges change.
- Environment
How oil breaks fish hearts
Hydrocarbons that spill into oceans stifle the beat of tuna cardiac cells.
