Carl Sagan at MIT - Management in the Year 2000: Sloan School Symposium 1987

Carl Sagan's 1994 "Lost" Lecture: The Age of Exploration

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Fundamentals: Ten Keys to Reality | A Conversation with Nobel Laureate Frank Wilczek

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2024 Stanford Commencement speech by Melinda French Gates

Carl Sagan testifying before Congress in 1985 on climate change

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Carl Sagan Archival Lecture Audio - 1977 Origin Stories Podcast

Brian Greene and Leonard Susskind: Quantum Mechanics, Black Holes and String Theory

The 1993 Bunyan Lecture: Carl Sagan - “Is There Intelligent Life on Earth?”

The history of Mars - Carl Sagan's 1977 Christmas Lectures 3/6

The Worlds of Philip Morrison Symposium 1986 - Carl Sagan, Joining the Universe

Dr. Carl Sagan Speaks at IMSA

The outer solar system and life - Carl Sagan's 1977 Christmas Lectures 2/6

How To Study English Vocabulary For Fast Recall And Fluent Speech

Rudolf Kálmán on Randomness as a Systems Phenomenon - MIT 1991 Colloquium