Nearly 50% of the world's scientists are assigned to military projects.
71
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
German chemists made a replica of a trophy the size of one molecule.
68
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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