Castor oil is used as a lubricant in jet planes.
-5
There are only 14 blimps in the world.
69
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Sony researchers have developed a refrigerator that only opens when you smile.
9
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
More than a billion transistors are manufactured every second.
-25
The electric chair was invented by a dentist!
122