At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Billions of neutrinos pass unnoticed through your body every second.
6
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One ragweed plant can release as many as one billion grains of pollen!
51
Hot water can freeze faster than cold water.
181