Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Out of all the senses, smell is most closely linked to memory.
146
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116