A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The human brain has the capacity to store everything that you experience.
4k
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Pain occurs when sounds are above 130 db.
124
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14