Posts Tagged ‘feathers’
Rigid feathers suggest dinosaur could fly
BROWN (US) — Researchers say the winged dinosaurs Archaeopteryx had rigid black feathers, a finding that suggests that they could fly. Continue…
Wednesday, January 25, 2012 14:15 - 1 Comment
Science & Technology - Jun 23, 2011 10:53 - 4 Comments
Birds see colors invisible to humans
YALE (US) — Birds’ plumage has changed from dull to brilliant over millions of years, but the bright hues humans see are only a fraction of what birds see. (more…)
Science & Technology - Feb 4, 2010 16:16 - 0 Comments
Feathered dinosaur in full color
YALE (US)—Scientists have uncovered the vibrant colors that adorned a feathered dinosaur extinct for 150 million years by deciphering microscopic clues hidden within fossils. (more…)
Earth & Environment - Nov 17, 2009 11:57 - 0 Comments
Bird vibrates feathers to hum love song
CORNELL (US)—Four years ago, a researcher reported a bizarre example of sexual selection in a rare South American bird: The male attracts the female by rubbing specialized wing feathers—more than 100 cycles per second—to create a high hum, similar to a sustained violin note. (more…)
Earth & Environment - Aug 28, 2009 10:25 - 0 Comments
Clues to feather’s technicolor past
Researchers have discovered evidence that prehistoric feather fossils from in Germany were once vividly iridescent. The finding could help scientists reconstruct the colorful features of other fossils. “Of course, the ‘Holy Grail’ in this program is reconstructing the colors of the feathered dinosaurs,” says lead author Jakob Vinther. (Credit: Jakob Vinther/Yale University)
Science & Technology - Jun 19, 2009 14:57 - 0 Comments
He’s cute, but will he care for the kids?
Male peacock’s robust display attracts mates (Credit: National Geographic Society)
Science & Technology - Apr 3, 2009 8:46 - 0 Comments
Feather color linked to structures similar to beer foam
YALE (US)—Most colors in nature—from the color of our skin to the green of trees—are produced by pigments. But the bright blue feathers found in many birds, such as Bluebirds and Blue Jays, are instead produced by nanostructures. Under an electron microscope, these tiny structures—similar to beer foam—look like sponges. (more…)
