Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
According to studies, men change their minds two to three times more often than women.
72
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Cold water weighs more than hot water.
93
One barrel of petroleum holds 42 gallons.
20
Aluminum used to be more valuable than gold!
84