Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Sound travels about 4 times faster in water than in air.
408
Diamonds can be shattered with a hammer.
-104
For every gallon of sea water, you get more than a quarter pound of salt.
45
Most dust particles in your house come from dead skin.
48