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Science


Two Theories Offered In Christmas Burst

WASHINGTON, Nov. 30 (UPI) — A cosmic explosion dubbed the Christmas burst was caused either by a far away supernova or an unusual collision closer to home, U.S. space officials said. NASA said papers describing both interpretations of the explosion — first spotted on Christmas Day 2010 by NASA’s Swift Observatory — are published in […]

Worms Survive Months In Space

NOTTINGHAM, England, Nov. 30 (UPI) — British researchers say a colony of worms that survived a trip into space is providing insight into the biological effects of deep space missions. In December 2006, a team of scientists led by Nathaniel Szewczyk of the University of Nottingham in England sent 4,000 microscopic worms, known as C. […]

2013 For Keystone XL Decision

WASHINGTON, Dec. 1 (UPI) — Despite a proposal that would force the White House to make a quick decision, the State Department said any move on the Keystone XL pipeline would come in 2013. A group of 35 Republican lawmakers proposed a measure that would force the White House to issue a construction permit for […]

Honey Bee Health Linked To Protein

BERGEN, Norway, Nov. 29 (UPI) — A protein called vitellogenin is vital to promoting the health of honey bees, a researcher in Norway said. Heli Havukainen of the Norwegian University of Life Sciences said research on honey bee health suggests vitellogenin guides bees to do different social tasks, such as caregiving or foraging, as well […]

Soft Robot Inspired By Starfish

CAMBRIDGE, Mass., Nov. 29 (UPI) — U.S. researchers say they’ve created a soft robot inspired by animals without internal skeletons such as starfish, squid and worms. The robot, described in a report published online Monday in the Proceedings of the National Academy of Sciences, is composed of elastomeric polymers and uses five actuators, along with […]

Whooping Cranes Looking For Food In Texas

HOUSTON, Nov. 29 (UPI) — Whooping cranes are making a comeback along the Texas coast but the brackish marshes they need for food may be too salty this winter, environmentalists said, The Aransas Project, an environmental coalition, claims state regulators aren’t allowing enough fresh water to flow into the marshes where the birds live, the […]

Bacteria Adopt Just-In-Time Strategy

BLOOMINGTON, Ind., Nov. 29 (UPI) — U.S. researchers say some bacteria use the same strategy as companies who apply an on-demand, just-in-time strategy to conserve resources and reduce costs. A study by Indiana University biologists and Brown University physicists found certain bacteria wait until the last minute to synthesize the glue that allows them to […]

Elevated Arsenic Levels In Apple Juice

YONKERS, N.Y., Nov. 30 (UPI) — A U.S. test of apple juice and grape juice found 10 percent had arsenic levels higher than federal drinking water standards, Consumer Reports said. Ten percent of the 88 juice samples had arsenic levels exceeding the federal drinking water standard of 10 parts per billion, while 25 percent had […]

La Nina, Greenland Color Winter Forecast

STATE COLLEGE, Pa., Nov. 22 (UPI) — A weaker La Nina in the southern Pacific and the current lack of a Greenland Block could signal a tough winter for the U.S. Northwest, AccuWeather.com said. AccuWeather.com said La Nina is much weaker this year than last year. Last month, La Nina was rated at a magnitude […]

Cleaner Air Surrounds ‘Last Supper’

MILAN, Italy, Nov. 23 (UPI) — Efforts to protect Leonardo Da Vinci’s “Last Supper” from air pollution appear to be succeeding, University of Southern California researchers said. The refectory of Santa Maria Delle Grazie Church in Milan installed a sophisticated heating, ventilation and air conditioning system in 2009 to protect the painting from the polluted […]

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