0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
Iron weighs more after it rusts.
68
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116