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Why Can't We See Evidence of Alien Life?
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Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful. (Part of the series "Questions no one knows the answers to"... Read more

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- -: Why Can't We See Evidence of Alien Life?

March 12, 2012 (about 12 years ago)

Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful. (Part of ...

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Source: TEDEducation

- -: Bill Nye: How to Talk to an Alien

March 2, 2012 (about 12 years ago)

~~~~~~~~~~~ http://bigthink.com/ ~~~~~~~~~~~ What would you say to an alien? Big Think turned to Bill Nye, aka, 'The Science Guy,' who heads The Planetary Society, an organization that fosters ways for the public to be actively involved in space exploration, including the search for extraterr...

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Source: Big Think

- -: Stephen Petranek: 10 ways the world could end

October 11, 2007 (over 16 years ago)

http://www.ted.com How might the world end? Stephen Petranek lays out the challenges that face us in the drive to preserve the human race. Will we be wiped out by an asteroid? Eco-collapse? How about a particle collider gone wild? TEDTalks is a daily video podcast of the best talks and performan...

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- -: Roy Gould: WorldWide Telescope

February 29, 2008 (about 16 years ago)

http://www.ted.com Science educator Roy Gould and Microsoft's Curtis Wong give an astonishing sneak preview of Microsoft's new WorldWide Telescope -- a technology that combines feeds from satellites and telescopes all over the world and the heavens, and weaves them together holistically to buil...

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- -: Sir Martin Rees: Earth in its final century?

April 15, 2008 (about 16 years ago)

http://www.ted.com In a taut soliloquy that takes us from the origins of the universe to the last days of a dying sun 6 billion years later, renowned cosmologist Sir Martin Rees explains why the 21st century is a pivotal moment in the history of humanity: the first time in history when we can ma...

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- -: John Hodgman: A brief digression on matters of lost time

October 21, 2008 (over 15 years ago)

http://www.ted.com Humorist John Hodgman rambles through a new story about aliens, physics, time, space and the way all of these somehow contribute to a sweet, perfect memory of falling in love.

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- -: Peter Ward: Earth's mass extinctions

January 28, 2009 (over 15 years ago)

http://www.ted.com Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting application in medicine. TEDTalks is a daily video ...

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- -: James Cameron: Before Avatar ... a curious boy

March 4, 2010 (about 14 years ago)

http://www.ted.com James Cameron's big-budget (and even bigger-grossing) films create an unreal world all their own. In this personal talk, he reveals his childhood fascination with the fantastic -- from reading science fiction to deep-sea diving -- and how it ultimately drove the success of his ...

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- -: The Students of ASU Compete for Spring Break!

February 16, 2011 (about 13 years ago)

As Ellen's Big Truckin' Deal rolls on, Ellen took to her Twitter and issued a challenge to the students of Arizona State University. The lucky winner won money for the ultimate spring break!

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- -: The Search for Extraterrestrial Intelligence

June 8, 2010 (almost 14 years ago)

http://bit.ly/jISsvK - Jill Tarter on her search for life on other planets.

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