In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
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
If you place a ripe banana next to a green tomato, the tomato will ripen due to the ethylene gas produced by the banana.
16
In 2013, the Netherlands scheduled 19 prisons to be closed due to a lack of criminals.
39
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20