The Most Astounding Fact – Neil deGrasse Tyson – YouTube
Astrophysicist Dr. Neil DeGrasse Tyson
via The Most Astounding Fact - Neil deGrasse Tyson - YouTube.
Astrophysicist Dr. Neil DeGrasse Tyson shares, in his opinion, the most astounding fact about the universe as we know it. - 'the universe is in us'