The first alarm clock could only ring at 4 a.m.
120
Car airbags kill 1 person for every 22 lives that they save.
80
Any modern jet is capable of breaking the sound barrier.
34
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12