Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The average car produces a pound of pollution every 25 miles!
18
The electric chair was invented by a dentist!
122
The life boat was patented in 1845!
29
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The first alarm clock could only ring at 4 a.m.
120
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2