Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Diamonds can be shattered with a hammer.
-104
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
Balsa wood is classified as a hard wood!
41
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118