Follow climber David Tait's diary as he attempts to set a record. And watch a fly-by video up the mountain.

  While Mike Rowe keeps doing dirty jobs, fans keep sending in drawings of him in action. Check out Mike's Got Art and send in your own.

  Scientists have apparently found a way to create a version of stem cells from human skin. Find out more on this medical breakthrough.

  Watch a collection of some of the most unforgettable scenes from the series. Plus, play our game, Mission: Planet Earth.

  Yes, Pong is ancient history now, but see how it fits into the video game timeline. And vote for your favorite game.