Energy is being wasted if a toaster is left plugged in after use.
21
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60