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Research posts

Showing blog posts tagged with Paleontology

Duck-billed dinosaur tooth topography

Grinding Teeth of Duck-bill Dinosaurs More Advanced Than Horses'

Research posts

A new scientific study shows that duck-billed dinosaurs pulverized tough and abrasive plants with grinding teeth more complex than those of cows, horses, and other well-known modern grazers. The researchers, which included Mark Norell, the chair of the Museum’s Division of Paleontology, are the first to recover material properties from fossilized teeth.

Tags: Dinosaurs, Our Research, Paleontology

Trilobite-250

"Punk Eek," 40 Years Later

Research posts

In the late 1960s, Curator Emeritus Niles Eldredge was a graduate student with a passion for trilobite eyes. He had been taught to expect slow and steady change between the specimens of these Devonian arthropods he collected for his dissertation. Only his trilobites were doing one of two things: staying the same, or evolving in leaps.

Tags: Evolution, Paleontology

Microraptor

New Finding: Dinosaur’s Feathers Were Black with Iridescent Sheen

Research posts

A pigeon-sized, four-winged dinosaur known as Microraptor had black iridescent feathers when it roamed the Earth 130 million years ago, according to new research led by a team of American and Chinese scientists that includes Museum researchers. The dinosaur’s fossilized plumage is the earliest record of iridescent feather color. The findings, which suggest the importance of display in the early evolution of feathers, are published in the March 9 edition of the journal Science.

“This study gives us an unprecedented glimpse at what this animal looked like when it was alive,” said Mark Norell, one of the paper’s authors and chair of the Museum’s Division of Paleontology.

Tags: Dinosaurs, Paleontology

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