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Scientists Resurrected 700-Year-Old Animal Eggs From A Lake

• Business Insider

The resurrected water fleas, known scientifically as Daphnia pulicaria, could be the oldest animal eggs to ever to be brought to life, researchers report in a study published Thursday in Ecology Letters.

The "shrimp-like animals," which scientists also extracted DNA from, serve as a living time capsule. They can be used to study how these species have adapted to their changing environments over time, particularly as a result of human disturbances.

"The chemistry of those lakes has been carefully documented for decades," Carl Zimmer of the New York Times explains, "making it possible to see how changes in pollution levels affected the water fleas."

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