The human sigh acts as a physiological reset button.
23
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
If the human eye was a digital camera, it would have 576 megapixels.
25
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
A human being loses an average of 40 to 100 strands of hair a day.
133