Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
10
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
Passengers on the Beijing subway can pay with plastic bottles.
29
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
