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
Distant Past (song) Distant Past (song) "Distant Past" is a song recorded by British indie pop band Everything Everything. The track was released in the United Kingdom by Sony on 18 February 2015 as the lead single from the band's third studio album, "Get to Heaven". It was written by band members Jonathan Higgs, Jeremy Pritchard, Michael Spearman, and Alex Robertshaw, and was produced by Stuart Price. The song, like much of the album it appears on, reflects on the events of 2014, with chief songwriter Higgs explaining that it "[looks] at the fact that history repeats itself". Prior to the song's release,