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Color vision drove primates to develop red skin and hair, study finds
05-24-2007 · EurekAlert!You might call it a tale of "monkey see, monkey do." Researchers at Ohio University have found that after primates evolved the ability to see red, they began to develop red and orange skin and hair.
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Keywords: color, vision, drove, primates, develop, red, skin, hair, study, primate
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- Which came first: Primates' ability to see colorful food or see colorful sex?
06-25-2007 · EurekAlert!
Primates have a unique ability to distinguish red from green, but the reason why has been debated: Was it first to see ripe red fruit against green leaves or was it first the mating systems that communicate through red in skin and hair? This study incorporated evolutionary relationships among 203 primate species to show the sequential evolution of color vision, skin color, fur color and mating systems, and found that foraging came first.
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- Scientists discover important beauty secret for balanced skin color and tone
08-22-2007 · EurekAlert!
In the timeless quest for healthier, younger looking skin, scientists made an important discovery with implications ranging from helping doctors develop more natural looking bioengineered skin grafts to helping cosmetics companies develop new products for the "perfect" sunless tan. The research study, published in The FASEB Journal's September print issue, shows for the first time how to manipulate skin tone and color using cells previously thought to play no significant role in this function.
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- The aye-ayes have it: The preservation of color vision in a creature of the night
09-04-2007 · EurekAlert!
Brian Verrelli and his ASU team have performed the first sweeping, genetic evolutionary study of color vision in the aye-aye (pronounced "eye-eye"), a bushy-tailed, Madagascar native primate. Verrelli, lead author George Perry, and collaborator Robert Martin's results, published in the journal Molecular Biology and Evolution, have led to some surprising conclusions on how this unusual nocturnal primate may have retained color vision function.
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- Skin as a living coloring book
09-06-2007 · EurekAlert!
The pigment melanin, which is responsible for skin and hair color in mammals, is produced in specialized cells called melanocytes and then distributed to other cells. But not every cell in the complex layers of skin becomes pigmented. The question of how melanin is delivered to appropriate locations may have been answered by a new study.
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- Skin oil -- ozone interactions worsen air quality in airplanes
09-05-2007 · EurekAlert!
Airline passengers and crews who gripe about poor cabin air quality could have a new culprit to blame: the oils on their skin, hair and clothing. A study in the current issue of ACS' Environmental Science & Technology suggests interactions between body oils and ozone found in airplane cabins could lead to the formation of chemical byproducts that might worsen nasal irritation, headaches, dry eyes and lips, and other common air traveler complaints.
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- Face facts: People don't stand out in crowds
01-18-2008 · EurekAlert!
Why is it difficult to spot even familiar faces in a crowd? A recent study in the Journal of Vision reveals how our brains filter out visual overload -- and could help scientists develop an artificial visual system that approaches the sophistication of human visual perception.
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- Unique tomatoes tops in disease-fighting antioxidants
02-27-2007 · EurekAlert!
Deep red tomatoes get their rich color from lycopene, a disease-fighting antioxidant. A new study, however, suggests that a special variety of orange-colored tomatoes provide a different form of lycopene, one that our bodies may more readily use. Researchers found that eating spaghetti covered in sauce made from these orange tomatoes, called Tangerine tomatoes, caused a noticeable boost in this form of lycopene in participants' blood.
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- Compounds that color fruits and veggies may protect against colon cancer
08-19-2007 · EurekAlert!
Understanding the molecular structures of compounds that give certain fruits and vegetables their rich colors may help researchers find even more powerful cancer fighters, a new study suggests. Evidence from laboratory experiments on rats and on human colon cancer cells also suggests that anthocyanins, the compounds that give color to most red, purple and blue fruits and vegetables appreciably slow the growth of colon cancer cells.
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- Artificial skin system can heal wounds
12-20-2007 · EurekAlert!
A new study in Artificial Organs tested the effects of a wound dressing created with hair follicular cells. The findings reveal that skin substitutes using living hair cells can increase wound healing.
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- Race affects tobacco absorption in children
03-12-2007 · EurekAlert!
A study in the March 2007 issue of the journal Chest reveals that the color of a child's skin may determine how susceptible he/she is to toxins found in environmental tobacco smoke (ETS).
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