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Melissa Scruggs of the U of Missouri gang kindly sent me this tantalizing taste of their recently reported find of a YD-start age radioactive green mat. She said they have A LOT of samples they are working through and should report their findings in April. Understandably, they chose to share only a single photo without much context before the results are published. Thanks from The Tusk — and let us know when the findings are public!