Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
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
German chemists made a replica of a trophy the size of one molecule.
68
No matter how cold it gets, gasoline will not freeze.
107
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108