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Reuters Science News Summary

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(Globalpost/GlobalPost)

Following is a summary of current science news briefs.

Russia cleans up after meteor blast injures more than 1,000

CHELYABINSK, Russia (Reuters) - Thousands of Russian emergency workers went out on Saturday to clear up the damage from a meteor that exploded over the Ural mountains, damaging buildings, shattering windows and showering people with broken glass. Divers searched a lake near the city of Chelyabinsk, where a hole several feet wide had opened in the ice, but had so far failed to find any large fragments, officials said.

In a rarity, a meteor hit and an asteroid near-miss on same day

BOSTON (Reuters) - An asteroid half the size of a football field passed closer to Earth than any other known object of its size on Friday, the same day an unrelated and much smaller space rock blazed over central Russia, creating shock waves that shattered windows and injured 1,200 people. Asteroid 2012 DA14, discovered just last year, passed about 17,200 miles from Earth at 2:25 p.m. EST (1925 GMT), closer than the networks of television and weather satellites that ring the planet.

Aquarium fights to get disabled turtle swimming again

KOBE, Japan (Reuters) - Life looked grim for Yu, a loggerhead turtle, when she washed up in a Japanese fishing net five years ago, her front flippers shredded after a brutal encounter with a shark. Now keepers at an aquarium in the western Japanese city of Kobe are looking for a high-tech solution that will allow the 25-year-old turtle to swim normally again after years of labor and 27 models of prosthetic fins behind them without achieving their goal.

Orbital impatient with progress on new US satellite plan

WASHINGTON (Reuters) - Orbital Sciences Corp <ORB.N> worries that budget pressures and "old habits" may limit funding for the U.S. government's move toward smaller, less complex satellites aimed at avoiding cost overruns and delays that have often plagued space programs. Orbital on Thursday reported record revenues and operating income for 2012, but said revenues in its advanced space segment dropped by 19 percent due to "decreased activity on national security satellite contracts.

Ancient asteroid strike in Australia "changed face of earth"

SYDNEY (Reuters) - A strike from a big asteroid more than 300 million years ago left a huge impact zone buried in Australia and changed the face of the earth, researchers said on Friday. "The dust and greenhouse gases released from the crater, the seismic shock and the initial fireball would have incinerated large parts of the earth," said Andrew Glikson, a visiting fellow at the Australian National University.

U.S.-based inventors lead world in nanotechnology patents: study 2013-02-14T162653Z_2_BRE91D0YM_RTROPTC_0_US-PATENTS-NANOTECHNOL OGY.XML () -

Tyrannosaurus at center of custody case going home to Mongolia

NEW YORK (Reuters) - A nearly complete 70-million-year-old tyrannosaurus bataar skeleton will be returned to Mongolia following the high-profile prosecution of a Florida paleontologist by federal authorities in New York, U.S. authorities said on Thursday. A New York federal judge ordered the skeleton and other fossils forfeited to the U.S. government this week after the paleontologist pled guilty in December to fraud and conspiracy.

http://www.globalpost.com/dispatch/news/thomson-reuters/130216/reuters-science-news-summary