Dunkleosteus: the 'destroyer' of the Devonian
before the dinosaurs appeared, the earth also existed many species of animals known as the notorious assassins, many of which are from the ocean and dunkleosteus is one of them.Series of mysterious stone statues made scientists theorize: Did humans live at the same time as dinosaurs?
76 years ago, 33,000 terracotta statues were found in mexico, which is considered as the typical evidence for the theory that dinosaurs lived with prehistoric humans.A robot ship built inspired by ancient plesiosaurus
while plesiosaurus is extinct, modern engineers are inspired by their swimming method for a new robot ship.