A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The average home creates more pollution than does the average car.
33
In zero gravity, a candle's flame is round and blue.
16
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The smell of freshly cut grass is actually a plant distress call.
31