A cubic yard of air weighs about 2 pounds at sea level.
31
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The earth is approx. 6,588,000,000,000,000,000 tons.
175