Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
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