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93%VideoFeb 2016

Neil deGrasse Tyson explains leap years

(3:21) Everyone knows every four years is a leap year, but why does February get the extra day?

93%AnimationNov 2012

Does the universe have a purpose?

(2:35) Astrophysicist Neil deGrasse Tyson responds to a question asked by the Templeton Foundation: Does the universe have a purpose? Tyson argues that although he cannot be 100% sure, the evidence is stacked against.


93%VideoSep 2015

The Genesis of the Universe

(8:29) Neil deGrasse Tyson's brief and brilliant history of our 13-billion-year universe.


92%VideoMar 2012

What is the most astounding fact you can share with us?

(3:34) Astrophysicist Neil deGrasse Tyson doesn't have to think long before answering from the crucibles of his enriched guts.


92%VideoApr 2012

When Neil deGrasse Tyson met James Cameron

(6:09) The movie Titanic was widely marketed as accurate in detail, but when astrophysicist Neil deGrasse Tyson watched it, he noticed something was amiss.


92%VideoMay 2009

10 questions for Neil deGrasse Tyson

Astro physicist Neil deGrasse Tyson opens up the soul of curiosity for Time Magazine


92%VideoFeb 2010

Neil deGrasse Tyson on the problem with intelligent aliens

(4:47) AI or IA? Artificial Intelligence or Intelligent Aliens? Astrophysicist Neil deGrasse Tyson points out that although we are way smarter than chimpanzees, what really keeps him awake at night is what that implies.


92%VideoJul 2012

Neil deGrasse Tyson speaks passionately of Starship Enterprise

(1:43) Neil deGrasse Tyson at the Starship Smackdown, Comic-Con 2012.


92%VideoJun 2012

Neil deGrasse Tyson - We stopped dreaming, a new perspective

(4:49) NASA's annual budget is half a penny on a dollar. For twice that, we can transform the country.


91%VideoFeb 2012

Neil deGrasse Tyson vs Brian Greene over string theory

(4:02) Astrophysicist Neil deGrasse Tyson teases theoretical physicist Brian Greene about the slow progress of string theory.