Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Billions of neutrinos pass unnoticed through your body every second.
6
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The smell of freshly cut grass is actually a plant distress call.
31
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The average temperature at 40,000 feet above sea level is -60 F.
56
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