Scientists Partially Reconstruct Genome of Extinct Mammoth

An international team of scientists has reconstructed about two-thirds of the genome of the woolly mammoth using DNA extracted from balls of hair, the first time this has been accomplished for an extinct species.

The project provides some of the starting material that would be required to bring back to life the giant, hairy, cold-weather animals. That task, however, is not likely to be accomplished soon -- and may turn out to be impossible.

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