Posts Tagged ‘Mary Schweitzer’

B-rex on 60-Minutes

In the December 26th CBS 60 Minutes news segment, reporter Leslie Stahl in the story “B-REX” interviewed paleontologists Jack Horner in Montana, Mary Schweitzer in North Carolina, and Sean Carroll in Wisconsin on the B-rex discoveries.

B-rex is actually a Tyrannosaurus rex, otherwise known as T-rex, found in Montana and the fossil was re-named after Bob Harmon, the chief preparator of paleontology Museum of the Rockies in Montana. The primary interest in B-rex centered on the discovery soft-tissue and blood vessels in the estimated 68-million-year-old dinosaur.

Since this medullary tissue in the bone marrow is similar to birds, speculations on the evolution of dinosaur to bird once again emerged in the prime time media. The original report was published in the March 25, 2005, issue of the journal Science was entitled “Gender-Specific Reproductive Tissue in Ratites and Tyrannosaurus rex”.

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