Research indicates that plants grow healthier when they are stroked.
173
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Sound travels about 4 times faster in water than in air.
408
Sound travels fifteen times faster through steel than through air.
134
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
