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
The Sarcophagi of the Sixth Continent, Volume 2: Battle of the Minds The Sarcophagi of the Sixth Continent, Volume 2: Battle of the Minds The Sarcophagi of the Sixth Continent, Volume 2: Battle of the Minds is the seventeenth Blake and Mortimer book in the series. Blake, Mortimer and Nasir land at Cape Town, South Africa, where they miss little departure from the ship La Madeleine. Fortunately, Lord Auchentosham, billionaire protective nature, offers to join the boat with his seaplane. Once aboard the ship, the three friends explain the reason for their presence to the Pr Labrousse. In order to intercept the package of uranium to Singh, they believe Ravi Kuta that