The earth is approx. 6,588,000,000,000,000,000 tons.
175
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Sound at the right vibration can bore holes through a solid object.
134
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Research indicates that plants grow healthier when they are stroked.
173
4.5 pounds of sunlight strike the Earth each day.
27