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A study [PDF] published in a journal of the Association for the Advancement of Artificial Intelligence found that sites that have a "downvote" button to punish bad comments lock the downvoted users into spirals of ever-more-prolific, ever-lower-quality posting due to a perception of having been martyred by the downvoters.
What's more, positive attention for writing good posts acts as less of an incentive to write more good stuff than the incentive to write bad stuff that's produced by negative attention.
http://boingboing.net/2014/09/15/downvoting-considered-harmful.html?utm_source=feedburner Shared by beast
Sen. Ron Johnson: Our ISIS Strategy Is Basically Like Poking a Hornet's Nest With a Stick
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MOSCOW, September 16 (RIA Novosti) - The US navy has carried out the first strike at the Islamic State radical group by Baghdad, NBC television channel reported citing a source at the US Defense Ministry.
The attack southwest of the Iraqi capital was meant to support the national security forces and marked the beginning of enhanced measures against the IS militants in Iraq, which aim "to degrade and ultimately destroy" the IS extremists, as US President Barack Obama said in his recent address.
Previous airstrikes were defensive and protected important sites, while Monday's airstrike was offensive, the defense official said, according to NBC.
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The Medical Association of Aragua state (north Venezuela) has declared a state of alarm following the death of eight people in the last few hours at the Maracay's Central Hospital because of an unidentified virus or bacteria. The information was confirmed by the president of the Medical Association in Aragua state, Angel Sarmiento. He explained that four adults and four children died less than 72 hours after being admitted with the same symptoms, including a 40 C-fever, general discomfort, and skin rashes that then turned into blisters. Sarmiento ruled out the possibility that the deaths were caused by Ebola infection, as reported on social networks. Chikungunya fever and dengue virus were also ruled out. He added that doctors were waiting for the results of the autopsies to determine whether it was a viral or bacterial disease.
http://hisz.rsoe.hu/alertmap/site/index.php?pageid=event_desc Shared by beast
Cuba's health ministry announced Friday it is sending more than 160 health workers to help stop the raging Ebola outbreak in Sierra Leone, providing a much-needed injection of medical expertise in a country where health workers are in short supply.
World Health Organization chief Dr. Margaret Chan said the agency was extremely grateful for the help.
"If we are going to go to war with Ebola, we need the resources to fight," she said. "This will make a significant difference in Sierra Leone."
While millions of dollars have already been pledged and countries including Britain and the U.S. have volunteered to build treatment centers, Chan said "human resources are most important," noting a crucial need for experienced doctors and nurses across the region.
"There is not a single bed available for an Ebola patient in the entire country of Liberia," she said, adding that a further 1,500 health workers are desperately needed in West Africa.
Dr. Roberto Morales Ojeda, Cuba's health minister, called on other countries to help.
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The fighting near Ilovaisk, Donetsk region, has killed a least 107 Ukrainian and more than 300 Russian soldiers, Minister of Defense of Ukraine Valerii Heletei said on the TV Channel 5.
Six battalion-tactical groups armed with modern powerful artillery weapons penetrated into the rear area of the anti-terrorist forces from Russia, he noted.
To avoid heavy casualties on both sides mid-level officers agreed to provide two corridors for withdrawing the anti-terrorist forces, he said.
However, the Russian Defense Ministry's General Staff commanded to shell the withdrawing anti-terrorist units and the captured Russian paratroopers going out with them, Heletei stressed.
According to the Ukrainian defense minister, the Ukrainian fighters flew on alert to prevent the aggressor and destroyed some artillery.
The minister highlighted the dissemination of the anti-terrorist operation details and the movement of the Ukrainian troops in the mass media had done a serious harm to the Ukrainian forces near Ilovaisk.
Heletei is sure Russian President Vladimir Putin ventured on a large-scale intrusion into Ukraine since the Ukrainian troops had won the "hybrid war" and almost liberated Donetsk and Luhansk from terrorists.
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