12/06/2013

Mars water-ice clouds are key to odd thermal rhythm

(Phys.org) —Researchers using NASA's Mars Reconnaissance Orbiter have found that temperatures in the Martian atmosphere regularly rise and fall not just once each day, but twice.

US payroll, financial firms hacked; eight charged (Update)

U.S. prosecutors announced fraud and other charges Wednesday against eight alleged members of an international cybercrime ring that the government said hacked into the computers of more than a dozen leading financial institutions ...

Cuba girds for climate change by reclaiming coasts

After Cuban scientists studied the effects of climate change on this island's 3,500 miles (5,630 kilometers) of coastline, their discoveries were so alarming that officials didn't share the results with the public to avoid ...

Call to cut 'super greenhouse gases'

Phasing out "super greenhouse gases," which mass emitters China and the United States have agreed to restrict, could curb global warming by as much as half a degree Celsius by 2050, a report said Wednesday.

SEC warns of rise in risky email stock schemes

US market regulators warned Wednesday of a rise in spam email and social media-based stock promotions that are actually "pump and dump" schemes aimed at cheating small investors.

Cheaper solar panels fuel rise in renewable energy

A dramatic drop in the price of solar power technology last year helped the continued growth of renewable energy, according to a U.N.-backed report published Wednesday.

Facebook introduces hashtags

Facebook is introducing hashtags, the number signs used on Twitter, Instagram and other services to identify topics being discussed and allow users to search for them.

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