09/09/2012

Early Mars may not have been hospitable after all: study

Instead of a warm, wet and possibly life-bearing planet as some scientists contend, early Mars may have been a hostile and volatile place with frequent volcanic outbursts, a study said Sunday.

Al Jazeera says hackers sent false mobile texts

(AP)—Al-Jazeera says hackers have targeted the Qatar-based TV satellite channel for the second time in a week, sending out false news reports on its mobile phone alert service.

Early laptop designer Moggridge dies at 69

(AP)—Bill Moggridge, a British industrial designer who came up with an early portable computer with the flip-open shape that is common today, has died. He was 69.

Forest mortality and climate change: The big picture

Over the past two decades, extensive forest death triggered by hot and dry climatic conditions has been documented on every continent except Antarctica. Forest mortality due to drought and heat stress is expected to increase ...

Nano-velcro clasps heavy metal molecules in its grips

(Phys.org)—Researchers have devised a simple, system based on nanoparticles, to detect mercury as well as others pollutants. This technology makes it possible to easily and inexpensively test for these substances in water ...

Giant 'balloon of magma' inflates under Santorini

A new survey suggests that the chamber of molten rock beneath Santorini's volcano expanded 10-20 million cubic metres – up to 15 times the size of London's Olympic Stadium – between January 2011 and April 2012.

Mountain forest study shows vulnerability to climate change

A new University of Colorado Boulder-led study that ties forest "greenness" in the western United States to fluctuating year-to-year snowpack indicates mid-elevation mountain ecosystems are most sensitive to rising temperatures ...

Enough wind to power global energy demand, new research says

There is enough energy available in winds to meet all of the world's demand. Atmospheric turbines that convert steadier and faster high-altitude winds into energy could generate even more power than ground- and ocean-based ...

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