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
Most dust particles in your house are made from dead skin!
67
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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
One barrel of petroleum holds 42 gallons.
20
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18