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
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Most dust particles in your house come from dead skin.
48
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
Aluminum used to be more valuable than gold!
84
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
No matter how cold it gets, gasoline will not freeze.
107