When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Research indicates that plants grow healthier when they are stroked.
173
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Scientists are now able to grow 'beating' heart tissue in a lab!
162
One cubic foot of gold weighs more than 1,200 pounds!
78
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5