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Ancient Fossilized Bone Marrow Found

anthemaniac writes "Last year scientists recovered soft tissue from a T. rex. Now LiveScience is reporting that researchers have found fossilized bone marrow, the first discovery this this type of soft tissue, in frog and salamander fossils dating back 10 million years. Since the bone marrow was discovered 'in an environment vastly different form the one in which the T. rex soft tissue was found,' scientists now hope they'll find soft tissue in other environments and maybe from ancient mammals."

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  1. Re:Any palentologists in the house? by johane · · Score: 2, Informative

    Here is a reference to a piece in Science:

    Schweitzer MH, Wittmeyer JL, Horner JR, Toporski JB. 2005. Soft Tissue Vessels and Cellular Preservation in Tyrannosaurus rex. Science 307: 1952-1955.