Nature/geography

 Journey to Jurassic times. 

  This jaw-dropping, award-winning, landmark series from the BBC's Natural History Unit presents the epic story of life on Earth. Four years in production, over 2000 days in the field, using 71 cameramen filming across 204 locations in 62 countries, this is the ultimate portrait of our planet. 

 Experience our planet's natural beauty and examine how climate change impacts all living creatures in this ambitious documentary of spectacular scope. 

  Get a brilliant introduction into a truly fascinating and relevant topic in this course that teaches you the fundamentals of geology. 

 This series of short documentaries explores the world’s most fascinating places. It focuses on breathtaking landscapes, intriguing animal behavior, and impressive encounters with the human inhabitants. 

 Investigate the miracle and mystery of planet Earth—how it formed, how its natural forces operate, and how human activity has forever transformed it. 

 Tour the world's wildest weather with a storm-chasing, prize-winning meteorologist in these 24 thrilling lectures on tornadoes, hurricanes, blizzards, and other wild weather events. 

 Probe the ocean depths in this intriguing course that explores what we know about the world's oceans from the tidal zones to the deepest points on the ocean floor. 

  An award-winning professor of marine science reveals the great diversity of life in the world's oceans. 

 Discover why the world belongs to insects, in this 24-lecture course dedicated to one of Earth’s most populous and vital creatures. 

 Join “mathemagician” Arthur Benjamin as he reveals the code behind literary thrillers, famous artworks, flower petals, and more in this look at Fibonacci numbers and the golden ratio. 

 They were the first forms of life to emerge on Earth and they will be the last to go extinct. Meet the mysterious and miniscule microbe.