Scientists reveal why blueberries are blue

Tiny external structures in the wax coating of blueberries give them their blue color, researchers at the University of Bristol can reveal. This applies to a lot of fruits that are the same color including damsons, sloes ...

Dog coat patterns have ancient origin

Dogs come in all shapes and sizes, but variations in color patterns provide some of their most distinctive characteristics. A newly released study sheds light on a subset of these patterns, unexpectedly leading to new questions ...

Sparkly Spiders and Photonic Fish

(PhysOrg.com) -- Scientists in Israel and the UK have uncovered the details of how certain fish and spiders create their iridescent scales and silvery skins.

Color-changing coatings triggered by temperature changes

The changing of color can influence our perception of objects, be used to warn us against dangers or hazards, or help to conserve energy. Ph.D. candidate Weixin Zhang has developed organic "photonic" coatings that change ...