Tag: Extraordinary evidence

Carl Sagan, astronomer and science populiser was no fool. He was the one behind the incredibly successful history of science series, Cosmos. Not only was it a hit in the 1970s when Sagan presented it himself but it was equally popular when Neil de Grasse-Tyson remade it decades later. Such was the ability of Sagan. His razor is as straightforward as it is important. Find out more in under four minutes by clicking the video below.