Δευτέρα 23 Ιουλίου 2012

ScienceDaily: Top Science News

ScienceDaily: Top Science News


New clues to the early solar system from ancient meteorites

Posted: 22 Jul 2012 10:52 AM PDT

In order to understand Earth's earliest history -- its formation from solar system material into the present-day layering of metal core and mantle, and crust -- scientists look to meteorites. New research focuses on one particularly old type of meteorite called diogenites. These samples were examined using an array of techniques, including precise analysis of certain elements for important clues to some of the solar system's earliest chemical processing.

Behold, the artificial jellyfish: Researchers create moving model, using silicone polymer and heart muscle cells

Posted: 22 Jul 2012 10:51 AM PDT

Scientists have turned inanimate silicone and living cardiac muscle cells into a freely swimming "jellyfish." The finding serves as a proof of concept for reverse engineering a variety of muscular organs and simple life forms.

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