Science of Stupid

Amateur lumberjacks provide a tutorial on how to improperly cut down a tree. Seasoned street professionals demonstrate Hooke's Law using a pogo stick. A pole dancer learns a hard lesson in friction and gravity.

The "Cannon Ball Ice Dude" racked up 2 million views on YouTube last year with his attempt to jump into a frozen pool. Science of Stupid breaks down the science behind what went wrong with this and other ice-cold stunts.

It is impossible to swallow a spoonful of cinnamon. Take the word of the hundreds of daredevils who have tried this popular Internet challenge -- and failed. Witness the engineering challenges of building a homemade zip line.

Several viral videos help explain the physics of bouncing on a trampoline. The effect of gravity and momentum are put to the test on a rope swing. Inexperienced break-dancers demonstrate what happens when your center of gravity is misplaced.

The science of a human cannonball is broken down. Parkour enthusiasts show off all the various things that can go wrong when attempting to run across rooftops for sport.

Learn the hard science behind bike and monster truck tricks gone wrong and get a crash course in aeronautical science when paragliders collide with trees, a moving truck and even the Statue of Liberty.