The smell of freshly cut grass is actually a plant distress call.
31
Sound travels fifteen times faster through steel than through air.
134
Each day, up to 150 species of life become extinct.
-23
The storage capacity of human brain exceeds 4 Terrabytes.
140
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21