Ever since the first fragments of pterosaur bone surfaced nearly 250 years ago, palaeontologists have puzzled over one question: how did these close cousins of land-bound dinosaurs take to the air and evolve powered flight? The first flying…
Ever since the first fragments of pterosaur bone surfaced nearly 250 years ago, palaeontologists have puzzled over one question: how did these close cousins of land-bound dinosaurs take to the air and evolve powered flight? The first flying…