A toaster uses almost half as much energy as a full-sized oven.
33
The first alarm clock could only ring at 4 a.m.
120
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
There are only 14 blimps in the world.
69
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2