The United States produces enough plastic film annually to cover the entire state of Texas.
13
Kleenex tissues were originally used as filters in gas masks.
46
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Castor oil is used as a lubricant in jet planes.
-5
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Jumbo jets use 4,000 gallons of fuel to take off.
19
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