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The Formation of Blue Stragglers

Vampires and collisions rejuvenate stars

Space & Earth / Astronomy

created Dec 23, 2009 | popularity 4.3 / 5 (9) | comments 2

Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...


Adding a genetic supertool: Genome Analyzer fuels research dreams and tomorrow's cures

Medicine & Health / Genetics

created Dec 22, 2009 | popularity 5 / 5 (1) | comments 0

To identify the hemophilia mutation that affected Queen Victoria and her European relatives, scientific detectives used a cutting-edge "deep sequencing tool." Able to trace rare genetic disease mutations, the tool can turn ...