Black hole mystery unveiled by magnetic star discovery
The discovery of a rare magnetic star - or magnetar - is challenging theories about the origin of black holes. Magnetars are a special type of neutron star with a powerful magnetic field. They are formed by gravitational collapse after the original, or progenitor star, dies and forms a catastrophic supernova. For this newly discovered magnetar, astronomers calculated that the mass of the progenito
Denmark Starts to Trim Its Admired Safety Net (Published 2010)
Relaxing on a canal in Copenhagen. Unemployment in Denmark is 4.2 percent, and the jobless receive ample support. But those benefits have been tightened: in June, unemployment payments were limited to two years from four.Credit...Johan Spanner for The International Herald Tribune COPENHAGEN � How long is too long to be paid to go without a job? As extended unemployment swells almost everywhere acr
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The Chinese Military Challenge - WSJ.com
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