Archaeopteryx fossil seen in new light
X-ray fluorescence reveals startling details, remains of some soft tissues in 150-million-year-old specimen
The feathers preserved in a 150-million-year-old fossil of Archaeopteryx aren’t just casts of the primitive bird’s plumage, as paleontologists have long presumed: Amazingly, the structures retain chemical elements from the original feathers, a a new X-ray imaging technique reveals.
