Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
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There is a sport called Banzai Skydiving. You throw the parachute out of the airplane first and then jump after it.
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Mathway.com solves all kinds of math homework problems with step by step explanations.
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Self-made millionaire Harris Rosen adopted a Florida neighborhood called Tangelo Park, cut the crime rate in half, and increased the high school graduation rate from 25% to 100% by giving everyone free daycare and all high school graduates scholarships.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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