News
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AstronomyCosmic soot
Astronomers have found a group of complex organic compounds, polyaromatic hydrocarbons, from a time when the universe was less than one-third its current age.
By Ron Cowen -
HumansSpace Woes: NASA programs reel from shuttle problems
Technological problems for NASA's space shuttle Discovery, such as falling foam and dangling insulation, are causing safety worries and throwing a crimp into the U.S. space program.
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TechSpeed Reader: Gene sequencing gets a boost
The first lab-ready technology to challenge the dominant gene-sequencing technique known as the Sanger method taps miniaturization and parallel reading of hundreds of thousands of DNA stretches to boost speed and slash cost.