Archive: 20/12/2010

How often do giant black holes become hyperactive?

( -- A new study from NASA's Chandra X-ray Observatory tells scientists how often the biggest black holes have been active over the last few billion years. This discovery clarifies how supermassive black holes ...

dateDec 20, 2010 in Astronomy
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Doctors use sick boy's DNA in diagnosis, treatment

Doctors and scientists in Wisconsin have published the first detailed account of a groundbreaking medical case in which they sequenced all the genes of a very sick young boy from Monona, Wis., and used the information to ...

dateDec 20, 2010 in Genetics
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Magnetic fields on O-Class stars

The primary method by which astronomers can measure magnetic field strength on stars is the Zeeman effect. This effect is the splitting of spectral lines into two due to the magnetic field's effect on the quantum structure ...

dateDec 20, 2010 in Astronomy
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