Dinosaur egg with embryo perfectly preserved for 70 million years

A perfectly preserved embryo （胚胎） has been found inside a fossilized （石化） dinosaur egg. It looks just like a baby bird curled （捲曲） in its egg. Its head lies below the body with feet on both sides and back curled along the blunt end of the egg. It is similar to that of the modern birds. The discovery suggests dinosaurs developed bird-like postures （姿势） before they hatched. ...Read More