Nylon is made from coal and petroleum.
42
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
Scientists are now able to grow 'beating' heart tissue in a lab!
162
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
One ragweed plant can release as many as one billion grains of pollen!
51
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18