How we interact with objects in the world often depends on what colors we perceive them to have, and on how those perceived colors accord with what we know to be the normal or 'canonical' colors of ...

UV light makes it possible to see intricate structures of fossils that are barely visible in normal daylight. This method has often been used on the fossilized seashells from the Earth's current ...

Colour patterns (e.g. irregular, spotted or barred forms) are widespread in the animal kingdom, yet their potential role as signals of quality has been mostly neglected. However, a review of the ...

After reconstructing the color patterns of a well-preserved dinosaur from China, researchers have found that the long-lost species Psittacosaurus (meaning "parrot lizard," a reference to its ...

The colors and patterns of black swallowtails reveal the diversity of evolutionary dynamics acting on the sexes and the various life-history stages Six species of swallowtail butterflies occur locally ...