The smell of freshly cut grass is actually a plant distress call.
31
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Most dust particles in your house are made from dead skin!
67
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
In zero gravity, a candle's flame is round and blue.
16
Balsa wood is classified as a hard wood!
41