An excellent documentary about the families of the victims of 9/11 and their fight to uncover and expose the truth about what happened that ... all » day.
9/11 911 9-11 september 11 11th truth conspiracy world trade center wtc inside job false fl...
Originally broadcast on PBS, this science documentary from National Geographic investigates the miraculous machine that is the human body. ... all » Learn about the body's extraordinary capabilities through personal stories coupled with in-depth scienti...
The classic physics experiment involving sound, a tube of propane and fire. Created for Flash Forward 2006, but useful in any case where you are not allowed to have fire. I push through the tube 449 Hz then higher frequencies, then some jazz and then some...
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