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New research examines Midwest earthquakes
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WEST LAFAYETTE, Ind., July 30 (UPI) -- U.S. researchers say a new theory may explain how an earthquake fault in the middle of the continent produces large temblors far from a tectonic plate boundary.
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Survey says biodiversity down at Chernobyl
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PRIPYAT, Russia, July 30 (UPI) -- Researchers say a wildlife census in the exclusion zone surrounding the site of the Chernobyl nuclear disaster in Russia shows animal populations are declining.
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Breast tumor detection easier with age
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STANFORD, Calif., July 30 (UPI) -- A U.S. researcher suggests tumors in younger women -- in their 40s -- are simply harder to detect using mammograms.
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Oldest reptile evidence found in Canada
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ST. JOHN, New Brunswick, July 30 (UPI) -- A British scientist has found 318 million-year-old footprints in Canada he says are the oldest evidence of reptiles to date.
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Video game teaches cell microbiology
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WINSTON-SALEM, N.C., July 30 (UPI) -- A video game teaching microbiology proved an unexpected hit with gamers who've played it 1 million times within 10 days of its release, its authors say.
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Research aims at making artificial silk
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WASHINGTON, July 30 (UPI) -- Scientists say they are closer to learning how to make artificial silk that could bring medical and materials advances, but some obstacles remain.
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Study: Personality is 'set' at early age
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RIVERSIDE, Calif., July 30 (UPI) -- To determine what kind of adult your child will grow into pay attention to school report cards and teachers' personality assessments, researchers say.
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India forecasts needed monsoon rains
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NEW DELHI, July 30 (UPI) -- India says monsoon rains vital to agriculture will be better than previously forecast although eastern parts of the country could by drier than normal.
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Warming could affect ocean food chain
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HALIFAX, Nova Scotia, July 30 (UPI) -- Scientists say the amount of ocean plankton, the foundation of the aquatic food chain, has declined over the past century as ocean temperatures have risen.
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Study: Imitation important to learning
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VIENNA, July 30 (UPI) -- Dogs automatically imitate the body movements of their owners, and such imitation is also a crucial part of social learning in humans, Austrian researchers say.
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Mars rocks could reveal early life
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MOUNTAIN VIEW, Calif., July 30 (UPI) -- U.S. researchers say they've identified rock formations on Mars that could contain fossilized remains of early life on the planet.
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Russia announces wind, solar power plans
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MOSCOW, July 30 (UPI) -- Russia says it plans to spend $200 million building the country's largest wind-power plant in the southern Krasnodar Territory near the Black Sea.
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'Dwarf' star could yield solar system clue
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TUCSON, July 29 (UPI) -- Scientists say the recent discovery of a brown dwarf star, essentially a "failed" star, could shed light on the early stages of solar system formation.
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Busier people may be happier than the idle
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CHICAGO, July 30 (UPI) -- People with a sense of purpose who accomplish a lot, or even those who fill their days with pointless activity, are happier than the idle, U.S. researchers say.
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Sleep may not help surgeon performance
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LOS ANGELES, July 30 (UPI) -- Requiring 5 hours of rest for surgical residents after a 16-hour day is unlikely to improve outcomes for two common operations, U.S. researchers say.
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