The bark of an older redwood tree is fireproof.
65
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Each day, up to 150 species of life become extinct.
-23
Most dust particles in your house come from dead skin.
48
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One ragweed plant can release as many as one billion grains of pollen!
51
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118