Brainiac is a science investigation show broadcast in the United Kingdom.  Brainiac is known for a humorous, light-hearted approach to the subject, as shown by this video on Alkali Metals:


Also common on the show is an appreciation for dangerous materials, such as the industrial compound Thermite.

Then you get a relatively famous episode of Discovery Channel's Mythbusters.  Put simply, there is a very efficient way to remove cement from a truck.  Unfortunately, it also removes the truck.

The Museum of Natural History in Los Angeles recently had a live action Dinosaur, operated by puppeteers and actors, walk around the halls of the museum, entertaining adults and scaring children.

I think it is a Tyrannosaur, but don't quote me on that.