Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Sound at the right vibration can bore holes through a solid object.
134
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
According to studies, men change their minds two to three times more often than women.
72
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Your brain is 80% water.
525
Iron weighs more after it rusts.
68
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57