Archive for the ‘Environment’ Category

Massive East Antarctic Ice Sheet has history of instability

The East Antarctic Ice Sheet locks away enough water to raise sea level an estimated 53 meters (174 feet), more than any other ice sheet on the planet. It’s also thought to be among the most stable, not gaining or losing mass even as ice sheets in Wes…

Dust on the wind: Study reveals surprising role of dust in mountain ecosystems

Find related stories on NSF’s Critical Zone Observatories at this link.
Trees growing atop granite in the southern Sierra Nevada Mountains rely on nutrients from windborne dust more than on nutrients from the underlying bedrock.
This surprising find…

NSF statement on latest LIGO-Virgo detection of binary black hole merger

Scientists supported by the National Science Foundation (NSF) recently announced the detection of the merger of two relatively “light” black holes, 7 and 12 times the mass of the sun, respectively, at a distance of about 1 billion light-years. NSF’sLa…

Inflating the Universe with Prize-Winning Cosmologist David Spergel

This year’s Breakthrough Prize in Fundamental Physics was awarded to the team behind NASA’s Wilkinson Microwave Anisotropy Probe, or WMAP, a space telescope that launched in 2001 to map…

– Read more on ScientificAmerican.com

Satellite imagery shows just how bad the loss of Arctic sea ice has been off Alaska and eastern Siberia

Where sea ice should already be present, there are just vast swaths of open water. The cause: storminess and massive inflows of warmth.

With winter descending on the Arctic, sea ice should be expanding rapidly in the Bering and Chukchi seas off Ala…

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