If the chemical sodium is dropped into water it will immediately and violently explode.
67
Each day, up to 150 species of life become extinct.
-23
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Hot water can freeze faster than cold water.
181
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
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