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
By weight, Bone is five times stronger than steel.
417
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13
Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
10