The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Nylon is made from coal and petroleum.
42
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Research indicates that plants grow healthier when they are stroked.
173
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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38