A large number of the valley networks scarring Mars’s surface were carved by water melting beneath glacial ice, not by free-flowing rivers as previously thought, according to new research. The …read more Source:: Science
Tag: covered
GNOME gets big open-source patent win
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•GNOME, the popular Linux desktop, didn’t just avoid paying a patent troll, it won the right for any product under an Open Source Initiative license to use code covered by …read more Source:: Linux
How predatory plankton created modern ecosystems after ‘Snowball Earth’
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•Around 635 to 720 million years ago, Earth was twice almost completely covered by ice. The question of how life survived these ‘Snowball Earth’ glaciations has puzzled scientists for many …read more Source:: Science
6,000 years ago the Sahara Desert was tropical, so what happened?
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•As little as 6,000 years ago, the vast Sahara Desert was covered in grassland that received plenty of rainfall, but shifts in the world’s weather patterns abruptly transformed the vegetated …read more Source:: Science
Dust-covered ice glaciers found on Mars
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•CAPE CANAVERAL, Fla (Reuters) – Mars has thousands of glaciers buried beneath its dusty surface, enough frozen water to blanket the planet with a 3.6-foot(1.1- meter) thick layer of ice, …read more Source:: UKScienceNews