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EarthSky High: Gamma-ray bursts are common in Earth’s upper atmosphere
Enigmatic bursts of high-energy gamma rays produced Earth's atmosphere are stronger and more frequent than previously thought.
By Sid Perkins -
Hearing Repaired: Gene therapy restores guinea pigs’ hearing
By turning on a gene that's normally active only during embryonic development, researchers have restored hearing in deaf guinea pigs.
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AstronomyImages from the Edge
Examining nearby reaches of the universe at ultraviolet wavelengths, a recently launched spacecraft has found regions of star birth in unexpected places.
By Ron Cowen -
HumansLetters from the February 19, 2005, issue of Science News
Negative thinking The article “Sweet Glow: Nanotube sensor brightens path to glucose detection” (SN: 1/1/05, p.