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Latest Mary H. Schweitzer Stories

2008-09-13 03:00:11

By Perkins, Sid New study questions analyses of T. rex remains Three years ago, a team of scientists rocked the paleontology world by reporting the recovery of flexible tissue resembling blood vessels from a 68- million-year-old dinosaur fossil. Now, another group suggests that such pliable material could be something more mundane: a modern-day film of bacterial slime. The techniques used to assess such pliable materials are new to paleontologists, comments Matthew T. Carrano of the...

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2005-06-02 17:20:00

WASHINGTON -- Scientists studying the mighty T. rex may have found a way to tell a she rex from a he rex. The dinosaurs knew the difference, of course. But scientists, with only fossilized bones to work from, have had little to go on as far as knowing which specimen was a male and which was a female. Now, a team led by Mary H. Schweitzer of North Carolina State University reports finding a layer of medullary bone inside the leg bones of a Tyrannosaurus rex discovered in Montana. Medullary...


Word of the Day
caparison
  • A cloth or covering, more or less ornamented, laid over the saddle or furniture of a horse, especially of a sumpter-horse or horse of state.
  • Clothing, especially sumptuous clothing; equipment; outfit.
  • To cover with a caparison, as a horse.
  • To dress sumptuously; adorn with rich dress.
This word ultimately comes from the Medieval Latin 'cappa,' cloak.
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