According to a new study in iScience, researchers found an especially well-preserved 113-million-year-old pterosaur fossil in Brazil. As if that wasn’t rare enough, this miraculously good-looking fossil had on its wing an equally well-preserved ancient steroid molecule, which has given researchers a molecular-level glimpse at what these ancient flying reptiles ate. A lot of the […] The post Ancient Molecules on a Pterosaur Fossil Revealed What Its Diet Looked Like 100 Million Years Ago appeared