Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Liquid TIDE laundry detergent glows under a blacklight.
96
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The storage capacity of human brain exceeds 4 Terrabytes.
140
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118