When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The human sigh acts as a physiological reset button.
23
The human brain has the capacity to store everything that you experience.
4k
You can't tickle yourself.
29
It takes approximately 12 hours for food to entirely digest.
93
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
A person can live without food for about a month, but only about a week without water.
156
Yawns are more contagious among people with closer relationships.
163