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FBI: Arrests made in botnet investigation
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WASHINGTON, July 28 (UPI) -- The FBI said Wednesday an international investigation of the Mariposa Botnet, a "zombie" network formed by a computer virus, is showing progress.

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Spring light influences teen sleep
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TROY, N.Y., July 27 (UPI) -- Long daylight hours in spring influence the sleeping patterns of teens, researchers at Rensselaer Polytechnic Institute in Troy, N.Y., said.

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Astronomer: Manned missions less likely
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LONDON, July 27 (UPI) -- Future manned space exploration will be the province of adventurers rather than state-backed missions, Britain's astronomer royal says.

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Australian marsupials linked to Americas
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MUENSTER, Germany, July 27 (UPI) -- Australian marsupials -- including koalas, kangaroos and wombats -- have a common ancestor, scientists say, and it was American.

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Daydreaming can block recent memory recall
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GREENSBORO, N.C., July 27 (UPI) -- When you daydream, U.S. researchers say, how "far away" you went determines how much you remember of what was going on before your mind wandered.

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Study: Evolving a neck meant better brain
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ITHACA, N.Y., July 27 (UPI) -- A body part that doesn't normally get much attention -- the human neck -- played a major role in the evolution of the human brain, U.S. scientists believe.

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Panel considers cost of space tourism
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SUNNYVALE, Calif., July 27 (UPI) -- U.S. space tourists hoping to buy a ticket for a suborbital flight could expect to pay between $50,000 and $100,000 by 2014, analysts say.

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Space walk successful despite lost parts
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HOUSTON, July 27 (UPI) -- Two Russian cosmonauts on the International Space Station have successfully completed a space walk despite losing a tool and a washer, U.S. controllers said.

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Huge satellite to become 'space junk'
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PARIS, July 27 (UPI) -- The European Space Agency is set to become the owner of what could become the most dangerous piece of space debris orbiting the Earth, officials say.

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BPA found in unexpected area
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WASHINGTON, July 27 (UPI) -- The controversial chemical BPA -- used in food packaging -- shows up in another, unexpected place, researchers say: cash register receipts handled by millions.

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Disabled could use 'sniffing' for control
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REHOVOT, Israel, July 27 (UPI) -- Israeli researchers say they've developed a device to allow severely disabled people to communicate and control a wheelchair -- by simply breathing in and out.

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Record snows not a climate-change symptom
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NEW YORK, July 27 (UPI) -- Extraordinary but predictable weather patterns, not climate change, brought record snows to eastern U.S. cities this past winter, scientists say.

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Frying fat could provide future fuel
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LEEDS, England, July 27 (UPI) -- Don't discard the fat from the fryer after you've served the French fries, British scientists say -- you may be tossing out the fuel of the future.

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Conversations can 'couple' brain patterns
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PRINCETON, N.J., July 27 (UPI) -- Some people in conversation with each other truly have a meeting of the minds as their brain patterns fall into step with each other, researchers say.

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Researchers making fusion energy steps
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WEST LAFAYETTE, Ind., July 27 (UPI) -- U.S. researchers say they've made a discovery that could bring nuclear fusion reactors and the possibility of clean, almost limitless power one step closer.

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