1 year agoCarl Sagan, em 1996, fala sobre a importância do ceticismo em relação às autoridades científicasBenesilvi
3 years agoConspiracy Theories: History, Aliens, UFOs, Vaccines, Entheogens, 9/11, Food, Diet & more [ASMR]chycho
1 year agoCarl Sagan at MIT 1987: Management in the Year 2000 - "Suppose that we were smart..."Fort Schuyler Advisors
1 year agoPale Blue Dot: A Vision of the Human Future in Space by Carl Sagan, Backed by Music.DOCSANDCLIPS