How the Universe Works: 3x6

Watch Online

Server 1

Video Spider

Server 2


Server 3


Weapons of Mass Extinction

Asteroids strike, planets collide, black holes blast out death rays, volcanoes erupt and ice engulfs the planet. These are the universe’s weapons of extinction. They’ve happened before – wiping out entire species, and they will happen again. Are we next?

How the Universe Works: Season 3 Episode 6
Aug. 13, 2014