Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists aren't sure what color dinosaurs were.
312
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
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
The average temperature at 40,000 feet above sea level is -60 F.
56
According to studies, men change their minds two to three times more often than women.
72
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101