A 'jiffy' is an actual unit of time for 1/100th of a second!
66
A cesium atom in an atomic clock beats over nine billion times a second.
43
Pumice is the only rock that floats on water.
14
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Liquid TIDE laundry detergent glows under a blacklight.
96
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42