Guiana Shield Guiana Shield The Guiana Shield is one of the three cratons of the South American Plate. It is a 1.7 billion-year-old Precambrian geological formation in northeast South America that forms a portion of the northern coast. The higher elevations on the shield are called the Guiana Highlands, which is where the table-like mountains called tepuis are found. The Guiana Highlands are also the source of some of the world's most spectacular waterfalls such as Angel Falls, Kaieteur Falls and Kuquenan Falls. The Guiana Shield underlies Guyana (previously British Guiana), Suriname (previously Dutch Guiana) and French Guiana (or Guyane), most of
Now What with Ryan Duffy Now What with Ryan Duffy Now What with Ryan Duffy is an online docuseries fronted by former Vice correspondent Ryan Duffy, focused on global problems and their innovative solutions; the show premiered online on 15 October 2015, with an initial run of 10 episodes. The show was one of a slate of 12 new shows added by "The Huffington Post" in 2015 as part of their strategy of video expansion under AOL New Front; site founder Arianna Huffington cited the riots in Baltimore following the death of Freddie Gray as an example of the kinds of solution-based situations Duffy's program