Posts Tagged ‘pigment’
What’s the sound of yellow ochre?
MCGILL (CAN)—Chemists have discovered that a technique known as photoacoustic infrared spectroscopy could help identify the composition of pigments used in artwork that is decades or even centuries old. Continue…
Thursday, September 2, 2010 15:09 - 0 Comments
Science & Technology - Oct 27, 2009 11:54 - 0 Comments
Different color, same genetics
U. MICHIGAN (US)—Despite having different color pigmentation, members of the same species have the same genetic makeup, a new study finds. (more…)
Health & Medicine - Sep 21, 2009 15:03 - 1 Comment
Gene therapy has monkeys seeing red (and green)
The natural habitat of the squirrel monkey is the rainforest canopy. This is a young male in the Brazilian Amazon. All male squirrel monkeys are red-green color blind but the majority of females have trichromatic color vision.
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 - Mar 20, 2009 11:32 - 0 Comments
Feather color detected in 30 million-year-old bird fossil
YALE (US)–Scientists have discovered traces of organic material in fossilized bird feathers from 30 millions years ago. Yale University researchers say the material appears to be remnants of pigments that once gave birds their color, opening up the possibility of pinpointing the original hue of ancient birds and their ancestors, the dinosaurs. (more…)
