Brian Cox Debates If Aliens Have Visited Earth?

Professor Brian Cox is asked about one topic more than any other... In this clip we explore the existence of extra-terrestirial life and the biggest threat to humankind. Want episodes before anyone else? Download The High Performance App: https://www.thehighperformancepodcast.com/app-link Listen via your Podcast player: http://www.podfollow.com/highperformance