News tagged with pigments

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, and peacocks ...

dateNov 15, 2011 in Archaeology & Fossils
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Authenticating ancient artifacts

( -- Piecing together the history of ancient ceramic objects can be difficult, especially when all that remains is a few small shards. However, clues about the authenticity and provenance of such artifacts can ...

dateAug 09, 2011 in Software
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Pigment discovery expanding into new colors

Chemists at Oregon State University have discovered that the same crystal structure they identified two years ago to create what may be the world's best blue pigment can also be used with different elements to create other ...

dateJul 27, 2011 in Biochemistry
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An eye gene colors butterfly wings red

Red may mean STOP or I LOVE YOU! A red splash on a toxic butterfly's wing screams DON'T EAT ME! In nature, one toxic butterfly species may mimic the wing pattern of another toxic species in the area. By using the same signal, ...

dateJul 21, 2011 in Plants & Animals
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