Research indicates that plants grow healthier when they are stroked.
173
A cubic yard of air weighs about 2 pounds at sea level.
31
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116