There are only 14 blimps in the world.
69
The first alarm clock could only ring at 4 a.m.
120
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20