A submersible, remote controlled video camera like the ones used to discover and explore the Titanic and the Bismark. VERY cool.
Little Man re-directs a river and creates a lake by building a dam.
Simple machines - pulleys
You didn't think I just stood around taking pictures, did you?
The workings of canal locks
Digging for dinosaur bones!
A photogenic mastedon and two cute kids!
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