Scientist Carl Sagan was not someone who was a worldwide celebrity and therefore I had never heard of him. Reading up on him I understood her regularly visited the talkshows and presented various programmes which helped to make science more popular. One of those programs was Cosmos. I never saw the original version, but Neil deGrasse Tyson has breathed new life into the show. After seeing Interstellar I was inspired to check it out. Continue reading →