Kleenex tissues were originally used as filters in gas masks.
46
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Jumbo jets use 4,000 gallons of fuel to take off.
19