Nearly 50% of the world's scientists are assigned to military projects.
71
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The average temperature at 40,000 feet above sea level is -60 F.
56
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Nylon is made from coal and petroleum.
42
Pure water (H2O) does not conduct electricity on its own.
46