Most dust particles in your house come from dead skin.
48
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
In zero gravity, a candle's flame is round and blue.
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41