Yawns are more contagious among people with closer relationships.
163
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The average person's skin weighs twice as much as their brain.
131
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
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Our Right Lungs takes more air than our left lung.
194
The world's shortest man measures only 21.5 inches.
73