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
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
There are only 14 blimps in the world.
69
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Whale oil was used in automobile transmissions as late as 1973.
56
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47