Tag Archives: university of akron

New Research Revises Conventions for Deciphering Color in Dinosaurs While Suggesting Connection between Color and Physiology

AUSTIN, Texas — New research that revises recently established conventions allowing scientists to decipher color in dinosaurs may also provide a tool for understanding the evolutionary emergence of flight and changes in dinosaur physiology prior to the origin of flight.

In a survey comparing the hair, skin, fuzz and feathers of living terrestrial vertebrates and fossil specimens, a research team from The University of Texas at Austin, The University of Akron, the China University of Geosciences and four other Chinese institutions found evidence for evolutionary shifts in the relationship between color and the shape of pigment-containing organelles known as melanosomes, as reported in the Feb. 13 edition of Nature. (more…)

Read More

Iridescent, Feathered Dinosaur Offers Fresh Evidence That Feathers Evolved to Attract Mates

AUSTIN, Texas — A team of American and Chinese researchers has revealed the detailed feather pattern and color of Microraptor, a pigeon-sized, four-winged dinosaur that lived about 120 million years ago. A new specimen shows the dinosaur had a glossy iridescent sheen and that its tail was narrow and adorned with a pair of streamer feathers, suggesting the importance of display in the early evolution of feathers, as presented in the March 9 edition of the journal Science.

The research was conducted by scientists at the Beijing Museum of Natural History, Peking University, The University of Texas at Austin, the University of Akron, and the American Museum of Natural History. (more…)

Read More

Winged Dinosaur Archaeopteryx Dressed For Flight

*The iconic, winged dinosaur Archaeopteryx was dressed for flight, an international team of researchers led by Brown University has concluded. The group identified the color of the raven-sized creature’s fossilized wing feather, determining it was black. The color and the structures that supplied the pigment suggest that Archaeopteryx’s feathers were rigid and durable, which would have helped it to fly. Results appear in Nature Communications.*

PROVIDENCE, R.I. [Brown University] — Since its discovery 150 years ago, scientists have puzzled over whether the winged dinosaur Archaeopteryx represents the missing link in birds’ evolution to powered flight. Much of the debate has focused on the iconic creature’s wings and the mystery of whether — and how well — it could fly.

Some secrets have been revealed by an international team of researchers led by Brown University. Through a novel analytic approach, the researchers have determined that a well-preserved feather on the raven-sized dinosaur’s wing was black. The color and parts of cells that would have supplied pigment are evidence the wing feathers were rigid and durable, traits that would have helped Archaeopteryx to fly. (more…)

Read More

Pressure to Look more Muscular may Lead some Men to Consider Steroids

GAINESVILLE, Fla. — Most people associate steroid use with oiled-up bodybuilders or professional athletes, but for some college-age men, steroids seem like the only way to measure up to the muscle-bound men in fitness magazines.

A survey of 270 male college students by Mike Parent, a University of Florida doctoral candidate in counseling psychology, showed that the same cultural influences that drive some women to feel dissatisfied with their bodies can also lead college-age men who highly value looking muscular to contemplate steroid use. Studies show that up to 5 percent of college-age men have used steroids, Parent said. (more…)

Read More