Latest Mary H. Schweitzer Stories
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...
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...
- Remarkable; prodigious.
- Audacious; gutsy.
- Completely; extremely.
- Audaciously; boldly.
- Impressively great in size; enormous; extraordinary.