Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Nylon is made from coal and petroleum.
42
Pure water (H2O) does not conduct electricity on its own.
46
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
A cubic yard of air weighs about 2 pounds at sea level.
31
The smell of freshly cut grass is actually a plant distress call.
31
Indoor pollution is 10 times more toxic than outdoor pollution.
62