Earth
- Earth
Shrinking ancient sea may have spawned Sahara Desert
The Saharan Desert probably formed 7 million years ago as the ancient Tethys Sea, the forerunner of the Mediterranean Sea, shrank.
- Agriculture
Drug-resistant staph can cling to farm workers for days
Agricultural exposure to staph bacteria could threaten the health of laborers and people who live near farms, a study of pig farm workers suggests.
- Earth
Warming alone triggered Antarctic ice shelf collapse
Warming surface temperatures, not an unstable foundation, probably doomed Antarctica’s Larsen B ice shelf.
- Climate
Greenhouse gases reached new records in 2013
Levels of carbon dioxide in the atmosphere rose more last year than any other year since 1984, according to a September 9 report by the World Meteorological Organization.
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- Oceans
Plastic may take unexpected routes to marine garbage patches
By redefining ocean boundaries, researchers offer new insight to how litter moves through the oceans and who’s to blame for the floating clumps of trash.
- Physics
Unusual turbulence seen along North Carolina coast
Storm winds in Currituck Sound, North Carolina, may have created just the right conditions for scientists to see a rare type of turbulence in ocean waves for the first time.
- Earth
Death Valley’s sailing stones caught on the move
Mysterious sailing stones wandering around Death Valley are powered by ice and wind.
- Materials Science
Greener water splitter for hydrogen fuel designed
A new gadget that runs on a single AAA battery might truly reduce the carbon emissions from hydrogen fuel cell production down to zero.
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- Earth
Sometimes value lies deep below the surface
Stories on jellyfish, Ebola, carbon capture's future and heart disease's past reveal how crises old and new often lead to science's healthiest advances.
- Environment
Carbon capture and storage finally approaching debut
Carbon capture and storage offers a way to rein in global carbon emissions. But financial and regulatory obstacles, as well as public fears, are delaying the technology’s long-awaited implementation.
