The average temperature at 40,000 feet above sea level is -60 F.
56
Most dust particles in your house are made from dead skin!
67
Research indicates that plants grow healthier when they are stroked.
173
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
Sound travels fifteen times faster through steel than through air.
134
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Indoor pollution is 10 times more toxic than outdoor pollution.
62