Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The ball on top of a flagpole is called a 'truck'.
24
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Any modern jet is capable of breaking the sound barrier.
34
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47