Out of all the senses, smell is most closely linked to memory.
146
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
Pumice is the only rock that floats on water.
14
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
4.5 pounds of sunlight strike the Earth each day.
27
Sound at the right vibration can bore holes through a solid object.
134
Cold water weighs more than hot water.
93