Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The IRS processes more than 2 billion pieces of paper each year.
28
Any modern jet is capable of breaking the sound barrier.
34
The United States produces enough plastic film annually to cover the entire state of Texas.
13
The first alarm clock could only ring at 4 a.m.
120
The ball on top of a flagpole is called a 'truck'.
24
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2