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
In zero gravity, a candle's flame is round and blue.
16
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Sound at the right vibration can bore holes through a solid object.
134
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Each day, up to 150 species of life become extinct.
-23
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Aluminum used to be more valuable than gold!
84