The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The storage capacity of human brain exceeds 4 Terrabytes.
140
Most dust particles in your house come from dead skin.
48
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Nearly 50% of the world's scientists are assigned to military projects.
71
Brass doorknobs automatically disinfect themselves in about 8 hours.
18