Nearly 50% of the world's scientists are assigned to military projects.
71
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
In zero gravity, a candle's flame is round and blue.
16
Research indicates that plants grow healthier when they are stroked.
173
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
