A 150-year-old fossil feather mystery has been solved. Researchers applied a novel imaging technique, laser-stimulated fluorescence, revealing the missing quill of the first fossil feather ever discovered, dethroning an icon in the process.
A 150-year-old fossil feather mystery has been solved. Researchers applied a novel imaging technique, laser-stimulated fluorescence, revealing the missing quill of the first fossil feather ever discovered, dethroning an icon in the process.