When the 2013 government shutdown threatened the closing down of a national program giving medical attention and meals to children, John D. Arnold donated $10 million of his own money to keep it afloat.
21
There's a regenerative candle that creates a new candle as it melts.
20
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13
Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
10
In Tunisia, you can book an overnight stay in Luke Skywalker’s boyhood home for only $10.
13
Mico headphones read your brainwaves and select music based on your state of mind.
7
The Beatles wrote into their contracts for American concerts that they would not play in front of segregated audiences.
24