How dinosaur blood vessels are preserved through the ages
(PHYSorg.com Archaeology & Fossils)

A team of scientists led by Elizabeth Boatman at the University of Wisconsin Stout used infrared and X-ray imaging and spectromicroscopy performed at Berkeley Lab`s Advanced Light Source (ALS) to demonstrate how soft tissue structures may be preserved in dinosaur bones-countering the long-standing scientific dogma that protein-based body parts cannot survive more than 1 million years.