BlogArena

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

December 20, 2018
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Yosemite granite “tells a different story” about Earth’s geologic history

Washington, DC — A team of scientists including Carnegie’s Michael Ackerson and Bjørn Mysen revealed that granites from Yosemite National Park contain minerals that crystallized at much lower temperatures than previously thought possible. This finding upends scientific understanding of how … Continue reading

November 13, 2016
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Research resolves a debate over ‘killer electrons’ in space

Findings by UCLA-led team hold promise for new ways to protect telecommunication and navigation satellites New findings by a UCLA-led international team of researchers answer a fundamental question about our space environment and will help scientists develop methods to protect … Continue reading

October 17, 2016
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What did Earth’s ancient magnetic field look like?

Washington, DC — New work from Carnegie’s Peter Driscoll suggests Earth’s ancient magnetic field was significantly different than the present day field, originating from several poles rather than the familiar two. It is published in Geophysical Research Letters.

February 8, 2016
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Consistency of Earth’s magnetic field history surprises scientists

Washington, D.C.—Earth’s magnetic field is generated by the motion of liquid iron in the planet’s core. This “geodynamo” occasionally reverses its polarity—the magnetic north and south poles swap places. The switch occurs over a few thousand years, and the time … Continue reading

September 25, 2015
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Scientists’ discovery of zebra stripes in space resolves a half-century mystery

Study by UCLA researchers and others could explain mysterious plasma waves in space In the 1960s, NASA launched six satellites to study the Earth’s atmosphere, magnetosphere and the space between Earth and the moon. Using observations from those satellites, Christopher … Continue reading

August 12, 2015
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Where does water go when it doesn’t flow?

Study shows how much enters air from plants, soil, surface water More than a quarter of the rain and snow that falls on continents reaches the oceans as runoff. Now a new study helps show where the rest goes: two-thirds … Continue reading