Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Diamonds can be shattered with a hammer.
-104
According to studies, men change their minds two to three times more often than women.
72
4.5 pounds of sunlight strike the Earth each day.
27
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Hot water can freeze faster than cold water.
181
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