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AstronomyRocky Finding: Evidence of extrasolar asteroid belt
Astronomers have obtained some of the best evidence yet for an asteroid belt beyond the solar system.
By Ron Cowen -
19777
At least on Earth, rock impacts result in charging of the particles. In space, wouldn’t this have a great effect on the motion of the rocks? Stuart HoenigTucson, Ariz. According to researchers, it’s true that the electrostatic charging of space dust and rocks may affect the motions of small particles. However, little is known about […]
By Science News -
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Health & MedicineBetter Blood: New tool removes agent of brain disease
Scientists have developed a device that filters from blood the mutant proteins that cause the human form of mad cow disease, an advance that may hold promise for increasing the safety of donated blood.