Aluminum used to be more valuable than gold!
84
The smell of freshly cut grass is actually a plant distress call.
31
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Indoor pollution is 10 times more toxic than outdoor pollution.
62
A cubic yard of air weighs about 2 pounds at sea level.
31
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51