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
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Scientists have developed a 'hangover-free' beer that has electrolytes, making it more hydrating and refreshing.
4