There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
One barrel of petroleum holds 42 gallons.
20
According to studies, men change their minds two to three times more often than women.
72