Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sound travels fifteen times faster through steel than through air.
134
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
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
Iron weighs more after it rusts.
16
Sound at the right vibration can bore holes through a solid object.
134
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
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