Spain defeated Argentina 3-1 in the Davis Cup 2011 Final. Rafael Nadal and David Ferrer won their single matches, including two “marathons” against Juan Martin del Potro. Argentina won the double match only.
The Royal Ontario Museum and Parks Canada, the national agency that has the mandate to protect Canada’s natural and cultural heritage, opened a new site which is an online museum of the Burgess Shale, a unique field of fossils from the Middle Cambrian, about five hundred million years ago.
On Christmas Day of 2010, NASA’s orbital observatory Swift detected a gamma-ray burst which lasted at least half an hour and was formally labeled as GRB 101225A. There are two theories about its origin: a merger of a neutron star and a red giant and a comet colliding with a neutron star.
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