Carl Sagan, in my opinion, was one of the best science communicators of all time. In this video clip, he is on The Tonight Show in 1978 when Johnny Carson was the moderator. In the section I've marked below, Carson asks him about the search for extraterrestrial intelligence, an endeavour
Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary masters of a fraction of a dot. Carl Sagan's famous passage about Earth, our Pale Blue Dot, in his book with the same name, is probably
Welcome to the first issue of The Cassandra Dispatch! The simple idea behind this newsletter is that I pick and send one video every two weeks that features a speech or discussion by a great science communicator like Carl Sagan, Richard Dawkins and others. The “accessible” part is important -