One ragweed plant can release as many as one billion grains of pollen!
51
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Pumice is the only rock that floats on water.
14
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
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
