Cloudina was a thin-shelled sea creature that existed about 545 million years ago, and many scientists believe that it played a major role in building the first reefs. Princeton University geoscientists Adam Maloof and Akshay Mehra, however, think otherwise – and they do so because of a unique rock-grinding machine.
.. Continue Reading GIRI reveals delicate fossils – by grinding them awayCategory: Science
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from New Atlas http://ift.tt/2FGEYRi
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