Photos: Science, medicine and the environment

Anmale albino American alligator swims in his new home at the California Academy of Sciences new facility at Golden Gate Park in San Francisco, Tuesday, Aug. 19, 2008. A pair of American alligators were driven over 2,800 miles (4500 kms) from a zoological park in St. Augustine, Fla., to be among the 38,000 live animals that will have a new home at the Academy of Sciences. The facility opens on September 27, 2008.
(Marcio Jose Sanchez, Associated Press)

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