A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The cigarette lighter was invented before the match.
210
The electric chair was invented by a dentist!
122
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60