When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
One third of the electricity produced on earth is used to power electric light bulbs!
75
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
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
Cold water weighs more than hot water.
93
Balsa wood is classified as a hard wood!
41
Sound at the right vibration can bore holes through a solid object.
134
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57