Before He Died 17 Years Ago, This Science Icon Made A Warning That Will Give You Goosebumps
Carl Sagan did what few before him did: he brought science into the living rooms and minds of average people all over the world. He has inspired a new generation of scientists to carry on his work in classrooms, labs, planetariums and observatories.
His science wasn't always about the cheerful nature of learning something new about the cosmos. In his last interview while alive, Sagan provides us with a warning.