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Reason. Skepticism. Wonder.

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“Astrology is a HOAX!” — Carl Sagan

“Astrology is a HOAX!” — Carl Sagan

31,517 次观看

The Great Filter may lie ahead of us rather than behind us.

The Great Filter may lie ahead of us rather than behind us.

55,627 次观看

Videos

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Carl Sagan’s prediction about America, made 31 years ago.

Carl Sagan’s prediction about America, made 31 years ago.

1,654,647 次观看 • 6 个月前

Richard Dawkins most famous reply to: "What if you're wrong?"

Richard Dawkins most famous reply to: "What if you're wrong?"

2,901,944 次观看 • 1 年前

Stephen Fry's argument against God and His morals

Stephen Fry's argument against God and His morals

2,458,634 次观看 • 1 年前

This is something many religious people often misunderstand about atheists.

This is something many religious people often misunderstand about atheists.

794,451 次观看 • 1 年前

Here’s an incredible visualization showing the evolution of the Moon, 4.5 billion years compressed into two minutes. Credit: NASA Goddard

Here’s an incredible visualization showing the evolution of the Moon, 4.5 billion years compressed into two minutes. Credit: NASA Goddard

179,253 次观看 • 3 个月前

The very first clip of COSMOS Thank you, Carl, for taking us on this journey. We remain forever in your debt.

The very first clip of COSMOS Thank you, Carl, for taking us on this journey. We remain forever in your debt.

34,150 次观看 • 17 天前

When Ted Turner asked Carl Sagan if he was a socialist, Sagan gave an answer that redefines what it means to be a civilized society. It isn't about politics or ideology. It is about how we treat the most vulnerable among us.

When Ted Turner asked Carl Sagan if he was a socialist, Sagan gave an answer that redefines what it means to be a civilized society. It isn't about politics or ideology. It is about how we treat the most vulnerable among us.

272,546 次观看 • 6 个月前

When Ted Turner asked Carl Sagan if he was a socialist, Sagan gave an answer that redefined what it means to be a civilized society. It wasn’t about politics or ideology.

When Ted Turner asked Carl Sagan if he was a socialist, Sagan gave an answer that redefined what it means to be a civilized society. It wasn’t about politics or ideology.

99,494 次观看 • 2 个月前

Bertrand Russell’s timeless message to future generations

Bertrand Russell’s timeless message to future generations

184,125 次观看 • 5 个月前

Brian Greene explains the double-slit experiment on The Late Show with Stephen Colbert.

Brian Greene explains the double-slit experiment on The Late Show with Stephen Colbert.

344,393 次观看 • 1 年前

Carl Sagan on the lack of media interest in science.

Carl Sagan on the lack of media interest in science.

17,304 次观看 • 15 天前

Neil deGrasse Tyson explains the God of the Gaps

Neil deGrasse Tyson explains the God of the Gaps

333,330 次观看 • 1 年前

When Ted Turner asked Carl Sagan if he was a socialist, Sagan gave the answer America keeps failing to learn.

When Ted Turner asked Carl Sagan if he was a socialist, Sagan gave the answer America keeps failing to learn.

235,991 次观看 • 11 个月前

Richard Feynman on how physics differs from mathematics.

Richard Feynman on how physics differs from mathematics.

143,250 次观看 • 6 个月前

Neil deGrasse Tyson on who is the greatest scientific mind in history.

Neil deGrasse Tyson on who is the greatest scientific mind in history.

278,439 次观看 • 1 年前

Isaac Asimov’s take on morality without God. Do you agree with him?

Isaac Asimov’s take on morality without God. Do you agree with him?

104,384 次观看 • 6 个月前

Blue Marble from Artemis II, in the narration of Carl Sagan

Blue Marble from Artemis II, in the narration of Carl Sagan

53,498 次观看 • 3 个月前

Hi everyone, please spare a few minutes to watch this. We Are One Planet by Carl Sagan Credit: PSNy2kUK/YouTube

Hi everyone, please spare a few minutes to watch this. We Are One Planet by Carl Sagan Credit: PSNy2kUK/YouTube

65,447 次观看 • 4 个月前

Professor Brian Greene talks about higher dimensions 🎬 The Science Fact

Professor Brian Greene talks about higher dimensions 🎬 The Science Fact

177,421 次观看 • 1 年前

We are going to the Moon in a few days, Carl. The world is, sadly, still more or less the same, with all our follies and conceits, but we are trying our best. And we miss you.

We are going to the Moon in a few days, Carl. The world is, sadly, still more or less the same, with all our follies and conceits, but we are trying our best. And we miss you.

54,191 次观看 • 3 个月前