News tagged with pigment melanin
Squid ink from Jurassic period identical to modern squid ink, study shows
(Phys.org) -- An international team of researchers, including a University of Virginia professor, has found that two ink sacs from 160-million-year-old giant squid fossils discovered two years ago in England ...
Other Sciences / Archaeology & Fossils
May 21, 2012 |
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Birds' eye view is far more colorful than our own
The brilliant colors of birds have inspired poets and nature lovers, but researchers at Yale University and the University of Cambridge say these existing hues represent only a fraction of what birds are capable ...
Jun 23, 2011 |
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Molecular switch controls melanin production, may allow true sunless tanning
Discovery of a molecular switch that turns off the natural process of skin pigmentation may lead to a novel way of protecting the skin – activating the tanning process without exposure to cancer-causing UV radiation. ...
Oct 14, 2010 |
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Novel nanoparticles prevent radiation damage (w/ Video)
Tiny, melanin-covered nanoparticles may protect bone marrow from the harmful effects of radiation therapy, according to scientists at Albert Einstein College of Medicine of Yeshiva University who successfully tested the strategy ...
Nanotechnology / Bio & Medicine
Apr 26, 2010 |
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Cellular Source of Most Common Type of Abnormal Heart Beat Found
(PhysOrg.com) -- While studying how the heart is formed, scientists at the University of Pennsylvania School of Medicine serendipitously found a novel cellular source of atrial fibrillation (AF), the most ...
Medicine & Health / Medical research
Nov 02, 2009 |
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New findings on the formation of body pigment
(PhysOrg.com) -- The skin's pigment cells can be formed from completely different cells than has hitherto been thought, a new study from the Swedish medical university Karolinska Institutet shows. The results, which are published ...
Oct 16, 2009 |
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Afib triggered by a cell that resembles a pigment-producing skin cell
The source and mechanisms underlying the abnormal heart beats that initiate atrial fibrillation (Afib), the most common type of abnormal heart beat, have not been well determined. However, a group of researchers at the University ...
Medicine & Health / Medical research
Oct 12, 2009 |
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Iridescence found in 40-million-year-old fossil bird feather
Known for their wide variety of vibrant plumage, birds have evolved various chemical and physical mechanisms to produce these beautiful colors over millions of years. A team of paleontologists and ornithologists ...
Other Sciences / Archaeology & Fossils
Aug 26, 2009 |
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Skin color clue to nicotine dependence
Higher concentrations of melanin -- the color pigment in skin and hair -- may be placing darker pigmented smokers at increased susceptibility to nicotine dependence and tobacco-related carcinogens than lighter skinned smokers, ...
Medicine & Health / Medical research
May 08, 2009 |
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