Κυριακή 23 Ιουνίου 2013

ScienceDaily: Top News

ScienceDaily: Top News


Sun emits a solstice CME

Posted: 22 Jun 2013 12:46 PM PDT

On June 20, 2013, at 11:24 p.m., the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to three days later. These particles cannot travel through the atmosphere to harm humans on Earth, but they can affect electronic systems in satellites and on the ground.

Oddest couple share 250 million year old burrow

Posted: 22 Jun 2013 12:46 PM PDT

Scientists have discovered a world first association while scanning a 250 million year old fossilized burrow from the Karoo Basin of South Africa. The burrow revealed two unrelated vertebrate animals nestled together and fossilized after being trapped by a flash flood event.

Farming carbon: Study reveals potent carbon-storage potential of human-made wetlands

Posted: 20 Jun 2013 10:21 AM PDT

The goal of restoring or creating wetlands on agricultural lands is almost always to remove nutrients and improve water quality. But new research shows that constructed marshes also excel at pulling carbon dioxide from the air and holding it long-term in soil, suggesting that farmers and landowners may also want to build wetlands to "farm" carbon.

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