The force of a suction cup is calculated using F=AP.
15
Pumice is the only rock that floats on water.
14
One 75-watt bulb gives more light than three 25-watt bulbs.
57
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
According to studies, men change their minds two to three times more often than women.
72
Liquid TIDE laundry detergent glows under a blacklight.
96
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89