BlogArena

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

20. May 2019

April 12, 2014
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Dust in the wind drove iron fertilization during ice age

Researchers from Princeton University and the Swiss Federal Institute of Techonology in Zurich have confirmed that during the last ice age iron fertilization caused plankton to thrive in a region of the Southern Ocean. The study published in Science confirms … Continue reading

June 14, 2013
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Amount of dust blown across the West is increasing, says CU-Boulder study

The amount of dust being blown across the landscape has increased over the last 17 years in large swaths of the West, according to a new study led by the University of Colorado Boulder. The escalation in dust emissions — … Continue reading

March 4, 2013
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Searching for the Solar System’s Chemical Recipe

Berkeley Lab’s Chemical Dynamics Beamline points to why isotope ratios in interplanetary dust and meteorites differ from Earth’s By studying the origins of different isotope ratios among the elements that make up today’s smorgasbord of planets, moons, comets, asteroids, and … Continue reading

December 20, 2012
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Plumes across the Pacific Deliver Thousands of Microbial Species to West Coast

A surprising number of microorganisms – more than 100 times more kinds than reported just four months ago – are leaping the biggest gap on the planet. Hitching rides in the upper troposphere, they’re making their way from Asia across … Continue reading

October 28, 2012
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Hungry Black Hole

Astronomers poised for galactic chow-down The super-massive black hole at the center of the Milky Way Galaxy has a healthy appetite, frequently snacking on asteroids and comets. Now, a cloud of gas and dust called G2 is on a dangerous … Continue reading

July 9, 2012
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Astronomers Discover Houdini-Like Vanishing Act in Space

Astronomers report a baffling discovery never seen before: An extraordinary amount of dust around a nearby star has mysteriously disappeared. “It’s like the classic magician’s trick — now you see it, now you don’t,” said Carl Melis, a postdoctoral scholar … Continue reading

December 11, 2011
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Star Explosion Leaves Behind a Rose

About 3,700 years ago, people on Earth would have seen a brand-new bright star in the sky. It slowly dimmed out of sight and was eventually forgotten, until modern astronomers later found its remains, called Puppis A. In this new … Continue reading

November 14, 2011
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Rising Air Pollution Worsens Drought, Flooding UMD-Led Study Shows

COLLEGE PARK, Md. – Increases in air pollution and other particulate matter in the atmosphere can strongly affect cloud development in ways that reduce precipitation in dry regions or seasons, while increasing rain, snowfall and the intensity of severe storms … Continue reading