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Heaven and Hell

   1980    Science
Sagan discusses comets and asteroids as planetary impactors, giving recent examples of the Tunguska event and a lunar impact described by Canterbury monks in 1178. It moves to a description of the environment of Venus, from the previous fantastic theories of people such as Immanuel Velikovsky to the information gained by the Venera landers and its implications for Earth's greenhouse effect. The Cosmos Update highlights the connection to global warming.
Series: Cosmos
The Story of Maths
The Story of Maths

   2008    Science
The Life of Birds
The Life of Birds

   1998    Nature
Japan Earth Enchanted Islands
Japan Earth Enchanted Islands

   2017    Nature
The Secrets of Quantum Physics
The Secrets of Quantum Physics

   2014    Science
Conversations with Dolphins
Conversations with Dolphins

   2016    Science
Breakthrough
Breakthrough

   2015    Medicine
Space Race
Space Race

   2005    Technology