Earth
- Humans
What’s in your bottled water?
A congressional hearing found bottled-water quality is not regulated as strictly as tap water is.
- Humans
Court backs EPA on controlling airborne particles
Upwind polluters can be held responsible for contributing to downwinders' violations of air-pollution standards.
- Animals
Megafish Sleuth: No Steve Irwin
There's no reason a scientist can't be an action hero — even if his damsels in distress have fins.
- Earth
Monster stingrays: Field notes from a global wrangler
A megafish biologist shares what he's learning about a rare freshwater species.
- Health & Medicine
Bad Breath
New studies detail how the invisible particles that pollute the air can damage heart, lungs and genetic programming.
- Earth
New cyclone predictor
Researchers link occasional sea-surface warming in central Pacific with more, stronger hurricanes in North Atlantic.
- Chemistry
Concerns over bisphenol A continue to grow
Recent research finds that the hormone mimic may be more prevalent and more harmful than previously thought, highlighting why BPA is a growing worry for policy makers.
- Health & Medicine
Plastics ingredients may shrink babies
A new study links phthalates, one of the more ubiquitous families of pollutants, with a baby being dangerously small at birth.
- Earth
How killer whales are like people
Killer whales may be sentinels for toxic chemicals accumulating in even landlubbers.
- Earth
Dirty snow may bring green burst to mountain peaks
Dust blowing in from distant deserts speeds the melting of snow and may shake up ecosystems on the slopes.
- Planetary Science
Losing Louisiana
A new model predicts that rises in sea level, combined with subsiding lands, will claim a tenth of the state by century’s end.
- Earth
Ozone hole trims polar water’s CO2-absorbing power
Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification. Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification
