BlogArena

General blog about anything and everything of everyday's life.

21. May 2019

October 14, 2015
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Radiation Safety for Sunken-Ship Archaeology

Berkeley Lab researchers help scientists determine the radiation risk of exploring an underwater aircraft carrier. About 42 miles southwest of San Francisco and 2,600 feet underwater sits the U.S.S. Independence, a bombed-out relic from World War II. The aircraft carrier … Continue reading

November 23, 2014
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Lack of oxygen delayed the appearance of animals on Earth

Geologists are letting the air out of a nagging mystery about the development of animal life on Earth. Scientists have long speculated as to why animal species didn’t flourish sooner, once sufficient oxygen covered the Earth’s surface. Animals began to … Continue reading

July 29, 2014
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Ancient shark teeth give clues to future of Arctic climate change

A new study of sharks that lived in warm Arctic waters millions of years ago suggests that some shark species could handle the falling Arctic salinity that may come with rising temperatures. The Arctic today is best known for its … Continue reading

September 28, 2013
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Science Benefits From Diverse Landing Area of NASA Mars Rover

PASADENA, Calif. — NASA’s Curiosity rover is revealing a great deal about Mars, from long-ago processes in its interior to the current interaction between the Martian surface and atmosphere. Examination of loose rocks, sand and dust has provided new understanding … Continue reading

July 29, 2013
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How Mars’ atmosphere got so thin: New insights from Curiosity

ANN ARBOR — New findings from NASA’s Curiosity rover provide clues to how Mars lost its original atmosphere, which scientists believe was much thicker than the one left today. “The beauty of these measurements lies in the fact that these … Continue reading

February 20, 2012
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Building Blocks of Early Earth Survived Collision that Created Moon

COLLEGE PARK, Md. – Unexpected new findings by a University of Maryland team of geochemists show that some portions of the Earth’s mantle (the rocky layer between Earth’s metallic core and crust) formed when the planet was much smaller than … Continue reading