BlogArena

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

26. Aug 2019

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

March 8, 2013
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The Making of Antarctica’s Hidden Fjords

Antarctica’s topography began changing from flat to fjord-filled starting about 34 million years ago, according to a new report from a University of Arizona-led team of geoscientists. Knowing when Antarctica’s topography started shifting from a flat landscape to one with … Continue reading

February 22, 2013
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NASA’s Kepler Mission Discovers Tiny Planet System

PASADENA, Calif. — NASA’s Kepler mission scientists have discovered a new planetary system that is home to the smallest planet yet found around a star similar to our sun. The planets are located in a system called Kepler-37, about 210 … Continue reading

February 21, 2013
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Ancient Fossilized Sea Creatures Yield Oldest Biomolecules Isolated Directly from a Fossil

COLUMBUS, Ohio — Though scientists have long believed that complex organic molecules couldn’t survive fossilization, some 350-million-year-old remains of aquatic sea creatures uncovered in Ohio, Indiana, and Iowa have challenged that assumption. The spindly animals with feathery arms—called crinoids, but … Continue reading

February 15, 2013
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How the World’s Saltiest Pond gets its Salt

Jay Dickson and Jim Head have gathered time-lapse photography and other data about the sustained salinity of Antarctica’s Don Juan Pond, the most saline natural body of water on earth. Their findings, published online in Scientific Reports, suggest that such … Continue reading

January 15, 2012
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Some Earthquakes Expected Along Rio Grande Rift in Colorado And New Mexico, New Study Says

The Rio Grande Rift, a thinning and stretching of Earth’s surface that extends from Colorado’s central Rocky Mountains to Mexico, is not dead but geologically alive and active, according to a new study involving scientists from the University of Colorado … Continue reading

July 18, 2011
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Where the Earth’s Heat Comes From

*Berkeley Lab scientists join their KamLAND colleagues to measure the radioactive sources of Earth’s heat flow* What spreads the sea floors and moves the continents? What melts iron in the outer core and enables the Earth’s magnetic field? Heat. Geologists … Continue reading

February 16, 2011
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Iceland Volcano’s Molten Rock Could Become Source of High-Grade Energy

*Krafla volcano gives geologists unique, unexpected opportunity to study magma* Geologists drilling an exploratory geothermal well in 2009 in the Krafla volcano in Iceland met with a big surprise: underground lava, also called magma, flowed into the well at 2.1 … Continue reading