A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
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
A toaster uses almost half as much energy as a full-sized oven.
33
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


