Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The storage capacity of human brain exceeds 4 Terrabytes.
140
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108