Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
10
Water, electricity, and gas has been free in Turkmenistan since 1991.
11
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Students at the John Hopkins University collaboratively decided to opt out of their final since the professor set his curve based on the highest score grading it as 100%. They chose to receive a score of zero, making it the highest grade and thereby getting 100%.
34
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17