Aluminum used to be more valuable than gold!
84
Each day, up to 150 species of life become extinct.
-23
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
One ragweed plant can release as many as one billion grains of pollen!
51
The smell of freshly cut grass is actually a plant distress call.
31
The average home creates more pollution than does the average car.
33
A single speck of dust is half way in size between a subatomic particle and the Earth.
15