When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Each day, up to 150 species of life become extinct.
-23
Liquid TIDE laundry detergent glows under a blacklight.
96
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Indoor pollution is 10 times more toxic than outdoor pollution.
62