The Lost Worlds of Planet Earth Ortelius hypothesized the idea that land masses may have been connected in the past, Alfred Wegener who hypothesized the idea of a super-continent Pangaea and continental drift despite the prevailing idea of flooded land-bridges at the time, and Bruce C. Heezen and Marie Tharp who discovered the Mid-Atlantic Ridge that supported the theory of plate tectonics. Tyson describes how the landmasses of the earth lay atop the mantle, which moves due to the motion and heat of the earth's outer and inner core. Tyson moves on to explain the asteroid impact that initiated the Cretaceous–Paleogene extinction event, leaving small mammals
Chinese given name For given names, each character of the name is chosen according to the wishes and desires of the parents. Around 1904 names were chosen in accordance with the wishes and desires of the fathers of the children. There is no standard set of Chinese given names. As of 2007, the most common names in China were: Chinese given name Chinese given names () are the given names adopted by native speakers of the Chinese language, both in majority-Sinophone countries and among the Chinese diaspora. Chinese given names are almost always made up of one or two characters and are written