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Supporting Content

• Watch: UFO Special

  Brian Cox and Robin Ince ask if UFOs and aliens have visited Earth.

  

• 10 reasons why aliens probably exist

  Does alien life exist? Probably yes. But will we be making contact anytime soon?

  

• Why we laugh: 9 things you didn鈥檛 know

  What makes us laugh, why we do it, and how a good guffaw can help us feel healthier.

  

• Subscribe to this programme or download individual episodes.

  

• Brian Blessed: "I am determined to go to Mars"

  Actor Brian Blessed says he has dreamed of travelling in space since he was six years old.

  Duration: 2:38

• The definition of death

  The panel discuss the fact that the definition of death keeps changing as medicine evolves

  Duration: 0:51