Search Results for: antarctica
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1,400 results for: antarctica
- Earth
Howdy, neighbor!
About 800 million years ago, East Antarctica, now one of the coldest regions on Earth, abutted what is now Death Valley, Calif., one of the hottest.
By Sid Perkins - Earth
Ice spy
Radar altimeters on Earth-orbiting probes can detect and count small icebergs even under cloudy skies, providing warning to ships and invaluable data for scientists monitoring climate change.
By Sid Perkins - Earth
Unintended consequences
A full recovery of the ozone hole over Antarctica in the coming years could significantly boost warming of the atmosphere over and around the icy continent.
By Sid Perkins - Earth
One Rockin’ Library
This dusty library saves the geo-curious a trip to Antarctica.
By Janet Raloff - Earth
Earth: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Earth. Follow hotlinks to the full, original stories.
By Science News - Life
Time to chill
Well-preserved fossils deposited in an Antarctic lake about 14 million years ago pin down when a large part of the now-icy continent most recently dipped below freezing.
By Sid Perkins - Earth
Big Gulp, Asian style
Satellite data reveals that increased irrigation pressure is rapidly depleting groundwater in northern India.
By Sid Perkins - Space
Water-ice deposits found beneath Martian hills
Using radar from an orbiting spacecraft to penetrate the hidden recesses of Mars, planetary prospectors have uncovered vast reserves of water-ice buried beneath rocky debris.
By Ron Cowen - Math
Following the ocean swirls
The mathematics of dynamical systems reveals ocean dynamics, an understanding that could improve the monitoring of ocean processes.
- Earth
Bird’s-eye view of Antarctic ice loss
Satellite images of Antarctica between 1992 and 2006 indicate that the continent was losing ice much faster at the end of that period than it was a decade before.
By Sid Perkins - Ecosystems
Predators return
Warming waters could push new predators into Antarctica's delicate ecosystems.
- Life
Enter the Virosphere
As evidence of the influence of viruses escalates, appreciation of these master manipulators grows.