Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
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
The iconic roar made by Godzilla was produced by rubbing a leather glove across the strings of a double bass.
11
The longest Monopoly game in history lasted 70 straight days.
124
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
There’s a Swedish power metal band called “Sabaton” who teach history through their music, including an album devoted to teaching about World War Two.
30