Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Nearly 50% of the world's scientists are assigned to military projects.
71
Diamonds can be shattered with a hammer.
-104
According to studies, men change their minds two to three times more often than women.
72
Each day, up to 150 species of life become extinct.
-23
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12