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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Liquid TIDE laundry detergent glows under a blacklight.
96
A cubic yard of air weighs about 2 pounds at sea level.
31
Sound travels about 4 times faster in water than in air.
408