Closeup of a Back Contour Feather Barb from a Male Eastern Bluebird (image) The Optical Society Share Print E-Mail Caption This is a closeup of a back contour feather barb from a male eastern bluebird; demonstrates a protein with channel-type nanostructure. (Scale bar = 500 nanometers.) Credit Image courtesy of Richard Prum Lab / Yale University. Published in Soft Matter, 2009, 5, 1792-1795. E.R. Dufresne et al., "Self-assembly of amorphous biophotonic nanostructures by phase separation." Royal Society of Chemistry. http://dx.doi.org/10.1039/B902775K Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.