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March: American heat vs. global temps
Even as global temperatures have been climbing throughout much of the past century, atypical warm and cool spells have seesawed regionally around the planet. March 2012 exemplified such exaggerated trends. Although the month set some 15,000 daily warming records in the United States, globally this past March was the coolest since 1999. The National Climatic Data Center reported these trend data April 16.
- Astronomy
Onward and Skyward
With new efforts aimed at the stars, China seeks to revive its astronomical reputation.
- Earth
Stronger storms may destroy ozone
Extra water vapor churned high into the atmosphere by climate change–fueled tempests could trigger destructive chemical reactions.
- Life
Crabs hither, shrimp thither
Biologists document surprising differences among deep-sea animals at hydrothermal vent fields.
- Earth
13th century volcano mystery may be solved
Indonesian volcano may be the culprit in the biggest eruption of the last seven millennia.
- Humans
Arctic ozone: ‘Hole’ or just not whole?
This past spring, the Arctic stratosphere’s ozone layer suffered unprecedented depletion. But whether the record loss constituted a “hole” depends on which experts you consult.
- Earth
Polar ice sheets are synchronized swimmers
Glaciers in the Northern and Southern Hemispheres advance and retreat together.
- Earth
Greenland’s ice sheets face new threat
Subsurface ocean warming is likely to be dramatic in that region, a new study finds.
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- Space
Vesta seems more planet than asteroid
Spacecraft explorations reveal a layered, beat-up celestial body.
- Earth
Earth & Environment
Antarctic ice flows, atmospheric response to nuclear fallout and more in this week's news.
