The smell of freshly cut grass is actually a plant distress call.
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Nearly 50% of the world's scientists are assigned to military projects.
71
A cubic yard of air weighs about 2 pounds at sea level.
31
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18