In the 80s and 90s, Mike Tyson was the man nobody wanted to face ... Dokes became the WBA champion by defeating Mike Weaver in a controversial technical knockout in the first round.

The human race could someday be wiped from the face of our planet — but it's not killer robots or giant asteroids that scare Neil deGrasse Tyson. Produced by Darren Weaver and Kamelia Angelova.

Astrophysicist Neil deGrasse Tyson explains why he believes that climate change deniers can't get behind the science. Produced by Darren Weaver and Kamelia Angelova. Additional production by Kevin ...