Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The force of a suction cup is calculated using F=AP.
15
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The sun is 330,330 times larger than the earth.
75
Scientists aren't sure what color dinosaurs were.
312
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