When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
4.5 pounds of sunlight strike the Earth each day.
27
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
For every gallon of sea water, you get more than a quarter pound of salt.
45