Until the end of his life, Carl Sagan (1934–1996) continued doing what he did all along — popularizing science and…
Tag: Sagan
Carl Sagan Predicts the Decline of America: Unable to Know “What’s True,” We Will Slide, “Without Noticing, Back into Superstition & Darkness” (1995)
Image by Kenneth Zirkel, via Wikimedia Commons There have been many theories of how human history works. Some, like German…