Your brain is 80% water.
525
Iron weighs more after it rusts.
16
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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
One ragweed plant can release as many as one billion grains of pollen!
51
Most dust particles in your house come from dead skin.
48
Nylon is made from coal and petroleum.
42