Laura is a science news writer, covering a wide variety of subjects, but she is particularly fascinated by all things aquatic, paleontology, nanotechnology, and exploring how science influences daily life. Laura is a proud former resident of the New Jersey shore, a competitive swimmer, and a fierce defender of the Oxford comma.
ArticleBody:Paleontologists have found a missing link in the evolution of dinosaur feathers. Along with their signature sharp teeth and gigantic bodies, some feathered dinosaurs also had scaly skin like today’s reptiles. The feathers likely developed in specific zones of the body, while other zones had reptilian scales. These findings are described in a study published May 21 in the journal Nature Communications and shed new light on the evolutionary transition from scales to feathers.
This small, bipedal, horned dinosaur lived in present day Mongolia and China during the early Cretaceous period, about 135–120 million years ago when dinosaurs were beginning to evolve into birds. The team used ultraviolet light to identify patches of preserved Psittacosaurus skin. These spots are usually invisible to natural light. A closer look at the fossil skin with X-rays and infrared light revealed preserved cellular structure.
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