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DNA from polar bear footprints reveals killing of seal

Canon Europe/PR Newswire

DNA from polar bear footprints reveals killing of seal

A WWF International expedition in Norway was able to isolate frozen skin cells from polar bear footprints. From those cells, a company called SPYGEN obtained DNA that revealed the bear was female, killed a seal at that location, and was joined by seagulls for the meal, The Guardian reports. Next, the team hopes to develop ways to use DNA from footprints to track individuals for conservation purposes.

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