The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
In zero gravity, a candle's flame is round and blue.
16
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Research indicates that plants grow healthier when they are stroked.
173
The earth is approx. 6,588,000,000,000,000,000 tons.
175
One ragweed plant can release as many as one billion grains of pollen!
51
Nearly 50% of the world's scientists are assigned to military projects.
71