In zero gravity, a candle's flame is round and blue.
16
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
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 sun is 330,330 times larger than the earth.
75
A single speck of dust is half way in size between a subatomic particle and the Earth.
15