Balsa wood is classified as a hard wood!
41
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
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Diamonds can be shattered with a hammer.
-104
Each day, up to 150 species of life become extinct.
-23
In zero gravity, a candle's flame is round and blue.
16