A toaster uses almost half as much energy as a full-sized oven.
33
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Castor oil is used as a lubricant in jet planes.
-5
