When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Balsa wood is classified as a hard wood!
41
Diamonds can be shattered with a hammer.
-104
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists are now able to grow 'beating' heart tissue in a lab!
162
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
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17