One cubic foot of gold weighs more than 1,200 pounds!
78
Sound at the right vibration can bore holes through a solid object.
134
Nylon is made from coal and petroleum.
42
The smell of freshly cut grass is actually a plant distress call.
31
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117