The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
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
Iron weighs more after it rusts.
68
The earth is approx. 6,588,000,000,000,000,000 tons.
175
A single speck of dust is half way in size between a subatomic particle and the Earth.
15