News tagged with pigments

Designing a dye you can count on

Natural substances such as chlorophyll and the heme pigment of red blood cells contain colorful molecules known as porphyrins. They owe their exceptional visual characteristics to a ‘macrocyclic’ ...

May 24, 2012
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Seeing color traced back to genetic mutations

From the inside of our heads, it feels as if colors are intrinsic aspects of the outside world and our eyes are beautifully designed to see them. But we humans are merely sampling the possible ways of sensing the spectrum ...

May 21, 2012
4.9 / 5 (13) 4

Plant enzymes reveal complex secrets

The enzymes needed for producing and chemically modifying functionally important plant molecules called anthocyanins have been identified by a research team led by Kazuki Saito of the RIKEN Plant Science Center, ...

Mar 09, 2012
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Plants may have a single ancestor

(PhysOrg.com) -- An international group of scientists has analyzed the DNA of primitive microscopic algae, and their findings suggest that all plants on Earth may have had a single ancestor.

Feb 17, 2012 report
4.9 / 5 (17) 8 | with audio podcast

Fossil moths show their true colors

The brightest hues in nature are produced by tiny patterns in, say, feathers or scales rather than pigments. These so-called "structural colors" are widespread, giving opals their fire, people their blue eyes, ...

Nov 15, 2011
4 / 5 (1) 4 | with audio podcast