Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Out of all the senses, smell is most closely linked to memory.
146
In zero gravity, a candle's flame is round and blue.
16
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The average temperature at 40,000 feet above sea level is -60 F.
56
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
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