A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Diamonds can be shattered with a hammer.
-104
In zero gravity, a candle's flame is round and blue.
16
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61