In zero gravity, a candle's flame is round and blue.
16
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
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
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
One cubic foot of gold weighs more than 1,200 pounds!
78
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79