Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The United States produces enough plastic film annually to cover the entire state of Texas.
13
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The first alarm clock could only ring at 4 a.m.
120
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
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