Jumbo jets use 4,000 gallons of fuel to take off.
19
Sony researchers have developed a refrigerator that only opens when you smile.
9
The cigarette lighter was invented before the match.
210
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Energy is being wasted if a toaster is left plugged in after use.
21
About 39,000 gallons of water are used to produce the average car!
14
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4