At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Hot water can freeze faster than cold water.
181
Billions of neutrinos pass unnoticed through your body every second.
6
The average home creates more pollution than does the average car.
33
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Pure water (H2O) does not conduct electricity on its own.
46