Paleontologists Detect Traces of Ancient Proteins in Fossil Feathers
Their results show that the protein composition of modern-day feathers was also present in the feathers of dinosaurs and early birds, confirming that the chemistry of feathers originated much earlier than previously thought.
https://www.sci.news/paleontology/fossil-feather-proteins-12287.html #paleontology #protein #feathers #fossil #dinosaurs #chemistry #biomolecules