The largest hotel suite in the world is located 22 stories under the surface in the Grand Canyon Caverns. One night for two people in this 65 million year old cave is $700.
4
In 1916, a US amendment was proposed to put all acts of war to a national vote. If you voted yes you would have to register as a volunteer for service in the United States Army.
5
In 1989, a British company made a laptop with a graphical user interface, a 60 hour battery life, SSD storage, and a touchpad.
12
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
On October 28, 2013, wind power provided 100% of Denmark's power. At 2:00am, it was producing 122% of the country's energy needs.
12
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7