In the early 1960's, Porsche commercially manufactured farm tractors.
24
Car airbags kill 1 person for every 22 lives that they save.
80
There are only 14 blimps in the world.
69
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Kleenex tissues were originally used as filters in gas masks.
46
The life boat was patented in 1845!
29
Sony researchers have developed a refrigerator that only opens when you smile.
9
