News tagged with pigments

Listening to ancient colors

A team of McGill chemists have discovered that a technique known as photoacoustic infrared spectroscopy could be used to identify the composition of pigments used in art work that is decades or even centuries old. Pigments ...

Sep 02, 2010
4 / 5 (1) 0

LEDs illuminate eye for ocular disease screening

A new imaging system using six different wavelengths to illuminate the interior of the eyeball (ocular fundus) may pave the way for doctors to easily screen patients for common diseases of the eye, such as age-related macular ...

Aug 31, 2010
5 / 5 (1) 0

Ancient Mayans Inspire Modern Fade Proof Dye

Physicists have created a dye that promises to last for a thousand years. The secret to this extraordinary durability? Its formula is based on a Mayan pigment, a brilliant blue color that survives to this ...

Jul 30, 2010
4.8 / 5 (20) 0 | with audio podcast

More than skin deep, tanning product of sun's rays

People who remain pale and never tan can blame their distant ancestors for choosing to live in the northern reaches of the globe and those who easily achieve a deep tan can thank their ancestors for living in the subtropical ...

Jun 21, 2010
4.5 / 5 (2) 0 | with audio podcast

Model predicts individual's vitamin D needs

Your skin tone and the amount of sunshine you receive--in addition to what foods you eat--all can influence the amount of vitamin D that your body has on hand for optimum health. In a preliminary and apparently first-of-its-kind ...

Jun 18, 2010
3.5 / 5 (2) 0

When it comes to security, think 'natural'

Security systems could be more effective if officials looked at how organisms deal with threats in the natural world, University of Arizona researchers suggest in the May 20 edition of the journal Nature.

May 20, 2010
5 / 5 (5) 0 | with audio podcast

Japan astronaut solves bubble puzzle

Of all the experiments Japanese astronaut Naoko Yamazaki has carried out in space -- making sushi in a kimono and playing a harp -- blowing soap bubbles has arguably brought the biggest breakthrough.

Apr 15, 2010
4.4 / 5 (9) 1

Researchers found breast cancer survival gene

(PhysOrg.com) -- QIMR researchers, as part of an international collaboration, have found that a gene that is most commonly associated with skin pigmentation, hair and eye colour may influence a patient’s chances of surviving ...

Apr 13, 2010
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Sun protection program increases hat use among 4th-graders

A sun protection intervention program that encouraged fourth-graders to wear hats outdoors as a skin cancer prevention measure significantly increased hat use at school, a study by researchers at the University of South ...

Mar 25, 2010
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