APPLICATION OF NANOTECHNOLOGY IN COVID-19 INFECTION: FINDINGS AND LIMITATIONS


Intestinal preservation in a birdlike dinosaur supports conservatism in digestive canal evolution among theropods

Abstract Dromaeosaurids were bird-like dinosaurs with a predatory ecology known to forage on fish, mammals and other dinosaurs.We describe Daurlong wangi gen.et sp.nov., a dromaeosaurid from the Lower Cretaceous Jehol Biota of Inner Mongolia, China.Exceptional preservation in this specimen includes a large bluish layer in the abdomen which represen

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