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Plankton Poop May Help Scientists Predict Climate Changes

Scientists trying to predict future changes in our climate are using every possible source of data to make their calculations. Lately, they have learned that one of the most sensitive instruments could be floating right in front of them - tiny clumps of organic matter that drift in the ocean. As if materializing from a different dimension, the submersible device called PELAGRA (PElagic LAGRAngian sediment trap) slips below the surface and sinks into a research pool at the National...

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