It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The first alarm clock could only ring at 4 a.m.
120
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The IRS processes more than 2 billion pieces of paper each year.
28
The cigarette lighter was invented before the match.
210
There are only 14 blimps in the world.
69