Our brains have a negativity bias and will remember bad memories more than good ones.
15
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
A person can live without food for about a month, but only about a week without water.
156
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99