It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
There are only 14 blimps in the world.
69
The first alarm clock could only ring at 4 a.m.
120
A small airplane can fly backwards.
75
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
The average car produces a pound of pollution every 25 miles!
18
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0