Puncture it with a knife. Run over it with a car. This ball bounces back, and it is changing lives in impoverished and war-torn parts of the world. Katie Couric interviews Tim Jahnigen, founder of One World Futbol Project, and finds out how Sting helped it all happen.
Extracting metallic iron in your breakfast cereal.
Dripping with nectar, the pitcher plant attracts thousands of hungry termites. But as soon as the bugs start eating, they begin to slip on the sugary liquid and tumble inside the plant.
Magnetic Fluid pulled up by an electric magnet from a basin, via a screw ( representing a spiral staircase when it works in the end )