Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Iron weighs more after it rusts.
16
The force of a suction cup is calculated using F=AP.
15
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Hot water can freeze faster than cold water.
181
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