pigment
Detailing Color Vision
Detailing Color Vision
Ruth Williams | Dec 6, 2012
Scientists engineer a spectrum of artificial pigments to understand how animals see in color.
Ruffling Dinosaur Feathers
Cristina Luiggi | Sep 15, 2011
Dinosaur and early bird feathers trapped in amber around 80 million years ago provide unprecedented insight into the evolution of plumage.
Early Bird Plumage
Early Bird Plumage
Cristina Luiggi | Sep 15, 2011
After rummaging through thousands of amber inclusions housed at the University of Alberta and the Royal Tyrrell Museum of Paleontology in Canada, researchers discovered 11 amber encased-feather fossils that provide the most detailed picture yet of early feather evolution.
Repainting Ancient Birds
Megan Scudellari | Jul 1, 2011
Using synchrotron rapid scanning X-ray fluorescence to map the distribution of trace metals in avian fossils over 120 million-year-old, researchers reconstruct the pigment patterns of their feathers—revealing some of the extinct birds' long-lost colors.
Color by Number Fossils
Megan Scudellari | Jun 30, 2011
Researchers map pigments in early bird fossils using preserved metallic residues.