How do chameleons and other creatures change colour?
When most people think of colour change, they think of octopuses or chameleons – but the ability to rapidly change colour is surprisingly widespread.
May 03, 2013
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May 03, 2013
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Research sheds light on how patterns form in bird feathers
(Phys.org) —A new study by scientists in the U.S. and Taiwan has shown that birds have colorful and patterned feathers because of specific cellular interactions involving stem cells rather than through ...
Apr 26, 2013
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True colors of some fossil feathers now in doubt (w/ Video)
(Phys.org) —Geological processes can affect evidence of the original colors of fossil feathers, according to new research by Yale University scientists, who said some previous reconstructions of fossil ...
Mar 28, 2013
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To quiver or to shiver: Explaining warning signal diversity in wood tiger moths
A central question in evolutionary biology is what causes the diversity of appearance seen in animals of the same species? Diversity is the raw material evolution has to act on, and this is why it is important to study the ...
Feb 11, 2013
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Melanin considered for bio-friendly electronics
(Phys.org) -- Melanin – the pigment that colours skin, eyes and hair – could soon be the face of a new generation of biologically friendly electronic devices used in applications such as medical ...
Jun 27, 2012
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Rare white horse prancing around in his own special genes
There was no hanky-panky involved when a fairy-tale white foal was born to two brown Standardbreds at the Four Winds Farm in New Jersey. DNA tests confirm that the snowy foal, born May 6, is a mutant, but that's nothing to ...
Jun 01, 2012
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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 ...
May 21, 2012
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Russian scientists in quest to find elusive white orca
A team of Russian scientists say they will embark on a quest next week to observe the only all-white, adult killer whale ever spotted -- a majestic and elusive bull they have named Iceberg.
Apr 23, 2012
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Melanin's 'trick' for maintaining radioprotection studied
Sunbathers have long known that melanin in their skin cells provides protection from the damage caused by visible and ultraviolet light. More recent studies have shown that melanin, which is produced by multitudes of the ...
Aug 23, 2011
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Pigment patterns from the prehistoric past: X-ray technique reveals fossil pigmentation
(PhysOrg.com) -- Publishing their findings in Science, the researchers have been able to show a remarkable relationship between copper and pigment within exceptionally preserved feathers and other soft tissue ...
Jun 30, 2011
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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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All-over tan is a myth, study finds
A consistent all-over tan may be impossible to achieve because some body areas are much more resistant to tanning than others, a study has found.
Aug 03, 2010
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UVA radiation damages DNA in human melanocyte skin cells and can lead to melanoma
A new study by researchers at NYU School of Medicine found that UVA radiation damages the DNA in human melanocyte cells, causing mutations that can lead to melanoma. Melanocytes, which contain a substance called melanin ...
Jul 01, 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 ...
Apr 26, 2010
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