Two dinosaur eggs, each about five inches (13 centimeters) across and almost perfectly round, have surprised scientists in eastern China. Instead of fragile shells packed with embryonic bone, the fossil eggs were hollow cavities stuffed with…
Two dinosaur eggs, each about five inches (13 centimeters) across and almost perfectly round, have surprised scientists in eastern China. Instead of fragile shells packed with embryonic bone, the fossil eggs were hollow cavities stuffed with…