Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Iron weighs more after it rusts.
16
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Nearly 50% of the world's scientists are assigned to military projects.
71
The storage capacity of human brain exceeds 4 Terrabytes.
140
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118