Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The cigarette lighter was invented before the match.
210
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Any modern jet is capable of breaking the sound barrier.
34
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
A small airplane can fly backwards.
75
The electric chair was invented by a dentist!
122
