Earth
We summarize the week's scientific breakthroughs every Thursday.
- Earth
Big Gulp, Asian style
Satellite data reveals that increased irrigation pressure is rapidly depleting groundwater in northern India.
- Agriculture
Pesticide potency can depend on bug’s clock
The daily rhythms in gene activity can affect the toxicity of some poisons.
- Earth
Spotting danger from on high
Airborne sensors can identify mineral outcrops and soil that may contain natural asbestos.
- Earth
A source of haze
Scientists identify how a hydrocarbon commonly emitted by plants is converted to light-scattering aerosols.
- Science & Society
News of science: Choose wisely
As the 'news' industry evolves, consumers who value quality science journalism may need to become ever more discriminating.
- Earth
On plant invaders and bat fungus
Researchers discuss invasive species and bat-infecting fungi at the Botany & Mycology 2009 meeting
- Health & Medicine
When BPA-free isn’t
A type of plastic that shouldn't contain a hormone-mimicking ingredient may have it anyway, Canadian government scientist find.
- Ecosystems
Churning the numbers
Some of the ocean’s small swimmers may be having a big impact on ocean mixing.
- Earth
Comet likely culprit in Tunguska blast
Analysis of shuttle plume movement suggests Tunguska event could have caused clouds over London.
- Agriculture
How weed killers might protect our eyes: It’s corny
Herbicides can boost trace-nutrient concentrations in sweet corn.
- Chemistry
CO2 sponge
Macromolecule that was accidentally discovered seems to trap carbon dioxide from the air.
- Earth
Salty water power
A study reports a new, cheaper way to harvest energy from salt water and fresh water.
