05/09/2013

Overgrazing turning parts of Mongolian Steppe into desert

Overgrazing by millions of sheep and goats is the primary cause of degraded land in the Mongolian Steppe, one of the largest remaining grassland ecosystems in the world, Oregon State University researchers say in a new report.

Clues in coral bleaching mystery

Coral reefs are tremendously important for ocean biodiversity, as well as for the economic and aesthetic value they provide to their surrounding communities. Unfortunately they have been in great decline in recent years, ...

Lenovo sees PC market growth in hybrid models (Update)

(AP)—Lenovo is hoping hybrid computers—which can turn from laptops into tablets with a flip of the lid—will spur growth in the ailing PC market and win back consumers who are attracted by sleek, lightweight tablets, ...

US study finds online privacy concerns on the rise

Americans are sharing more personal information online than ever, but they also want to better control who can see it, according to a study released Thursday by the Pew Research Center's Internet and American Life Project.

Global warming has increased risk of record heat, scientists say

Drought shriveled crops in the Midwest, massive wildfires raged in the West and East Coast cities sweltered. The summer of 2012 was a season of epic proportions, especially July, the hottest month in the history of U.S. weather ...

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