It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Originally, Nintendo was a playing card manufacturer.
70
More than a billion transistors are manufactured every second.
-25
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1