Posts Tagged ‘melanin’
Turning into fossils distorted dino plumage
YALE (US) — Experiments suggest that fossil birds and dinosaurs may have had different colored feathers than scientists thought. Continue…
Monday, April 1, 2013 9:17 - 0 Comments
Health & Medicine - Jan 22, 2013 14:06 - 0 Comments
Culprit behind suntans hides in eyes, too
BROWN (US) — The skin’s response to UVA rays is strikingly similar to the way the eye detects light, say researchers who’ve discovered the ion channel involved in the process. (more…)
Science & Technology - Jun 28, 2012 11:57 - 3 Comments
Melanin may power eco-friendly electronics
U. QUEENSLAND (AUS) — Melanin—the pigment that colors squid ink—may someday power a new generation of biologically friendly electronic devices. (more…)
Science & Technology - May 21, 2012 15:44 - 0 Comments
Cuttlefish emit Jurassic-era ink, fossils show
U. VIRGINIA (US) — Although today’s cuttlefish are much smaller than ancient giant cephalopods, 160-million-year-old fossils reveal the pigment in their ink has stayed the same. (more…)
Top Stories - Nov 7, 2011 11:01 - 3 Comments
Skin’s eye-like receptors ‘see’ UV light
BROWN (US) — Skin is able to detect ultraviolet light by using a receptor previously thought to only exist in the eye. (more…)
Science & Technology - Jul 5, 2011 13:25 - 0 Comments
120 million-year-old bird gets an X-ray
U. PENNSYLVANIA (US) — Trace metals in fossils are offering clues about the pigmentations of creatures dead for more than a hundred million years. (more…)
Earth & Environment - Aug 28, 2009 10:25 - 0 Comments
Clues to feather’s technicolor past
YALE (US)—Signs of vivid iridescent colors have been found in feather fossils more than 40 million years old. The discovery could pave the way for determining color features of other ancient birds and even feathered dinosaurs. (more…)
Health & Medicine - May 11, 2009 13:39 - 6 Comments
Skin color clue to smoking addiction
PENN STATE (US)—Higher concentrations of melanin—the color pigment in skin and hair—may be placing darker-pigmented smokers at increased susceptibility to nicotine dependence than lighter-skinned smokers, according to scientists. (more…)
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…)
