Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The average home creates more pollution than does the average car.
33
According to studies, men change their minds two to three times more often than women.
72
Billions of neutrinos pass unnoticed through your body every second.
6
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Sound travels about 4 times faster in water than in air.
408