A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Kleenex tissues were originally used as filters in gas masks.
46
The cigarette lighter was invented before the match.
210
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10