Online Science based video's/audiobooks

[welshjon81]

I'm always scouring youtube and the web in general for interesting things to watch. Here are a few of my personal favorite links to intersting things to have a watch or listen to:

A Universe From Nothing
http://www.youtube.com/watch?v=EjaGktVQdNg

A Brief History Of Time
http://www.youtube.com/watch?v=lGpfu-KpuLw

A Short History Of Everything
http://www.youtube.com/watch?v=3To9rvrLtRw

Journey To The Edge Of The Universe
http://www.youtube.com/watch?v=cqnxlUS9Pzc

Please add some of you're own favorites or discuss!

Thanks,

Jon