Earth's invisible shield

[timthelder]

I caught this documentary on last night. If any one gets the opportunity I highly recommend watching. Not sure about times in your locale.

http://channel.nationalgeographic.com/series/naked-science/3838/Overview

One of those that makes you go Hmmm.

Cheers:smile:

[hpcoolahan]

Have to watch this but i dont have access to any sat tv to watch it.
Is there a way to watch it over the net that anyone knows off?????

Cheers
Patrick

[CanisMajorTom]

cool, i'll keep an eye out for it.