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SAN FRANCISCO cheap nike air footscape , May 5 (Xinhua) -- A research team has solved a century-old mystery involving a famous red waterfall, known as Blood Falls, in Antarctica, by pointing to a source of salty water.

Blood Falls, found in 1911 by the Australian geologist Griffith Taylor cheap nike little posite one , is famous for its sporadic releases of iron-rich salty water from the tongue of Taylor Glacier onto the ice-covered surface of West Lake Bonney in the Taylor Valley of the McMurdo Dry Valleys in Victoria Land, East Antarctica.

The brine turns red when the iron contacts air, a mystery since its finding.

In a study published in the Journal of Glaciology, the research team led by the University of Alaska Fairbanks (UAF) and Colorado College described the brine's path of 300 feet, or about 91 meters cheap nike air max plus , from beneath Taylor Glacier to the waterfall, and new evidence linking it to a large source of salty water that may have been trapped under the glacier for more than 1 million years.

The team tracked the brine with radio-echo sounding, a radar method that uses two antenna -- one to transmit electrical pulses and one to receive the signals. "We moved the antennae around the glacier in grid-like patterns so that we could 'see' what was underneath us inside the ice, kind of like a bat uses echolocation to 'see' things around it," co-author Christina Carr cheap nike shox oz d , a doctoral student at UAF, was quoted as saying in a news release.

"The salts in the brine made this discovery possible by amplifying contrast with the fresh glacier ice," said lead author Jessica Badgeley.

UAF glaciologist Erin Pettit said her team made another significant discovery that liquid water can persist inside an extremely cold glacier, against previous belief among scientists that this was nearly impossible.

"While it sounds counterintuitive, water releases heat as it freezes cheap nike shox r4 , and that heat warms the surrounding colder ice," she explained. The heat and the lower freezing temperature of salty water make liquid movement possible. "Taylor Glacier is now the coldest known glacier to have persistently flowing water."

China's homegrown jumbo passenger jet takes to the sky

Gale hits northern part of China

Forest fire put out in north China

Farmers work in farmlands at beginning of summer around China

Front part of C919 manufactured in China's Chengdu

Nearly 5,000 firefighters battle forest fire in Inner Mongolia

Monks receive donation from residents and tourists in China's Hangzhou

Snow scenery of Tianshan Mountains in China's Xinjiang

BRASILIA, June 6 (Xinhua) -- Subway workers' strike entered its second day on Friday in Brazil's city of Sao Paulo, which is set to host the inaugural match of the 2014 World Cup next Thursday.

Strikers decided to continue their protest at a union assembly late Thursday cheap nike shox nz , following an unsuccessful meeting between representatives of the subway company and the transportation union.

Though the strikers lowered their pay rise demand from an initial 16.5 percent to 12.2 percent, it is still substantially higher than the 8.7 percent hike offered by the company.

Earlier in the day, striking workers formed a picket line outside the Ana Rosa station, which led the authorities to dispatch riot police to disperse them with tear gas and rubber bullets.

The government of Sao Paulo state said the police acted to guarantee commuters' access to the subway system.

For now, only 32 of the system's 65 stations are operating Cheap Men's Nike Shox Gravity Luxe Green Strike , despite a court order calling for a full running during rush hours.

The secretary of Metropolitan Transportation, Jurandir Fernandes, accused the protesters of politicizing the strike in the leadup to the World Cup.

On Thursday, officials from the world soccer body, the International Federation of Association Football (FIFA) Cheap Men's Nike Shox Gravity Gunsmoke , were stranded three hours in backed-up traffic after arriving at the Guarulhos International Airport.

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