-Crying – When crying from happiness the first tear will come from the right eye but if you are crying from sadness it will come from the left.
-Insomnia – The world record time without sleep is 264 hours.
-Stress Memory – A small amount of stress helps you to remember things better but a large amount hinders your memory.
-Strange Cells – Some of the cells in your visual cortex only respond to horizontal information and others only respond to vertical stimuli (Hubel & Weisel, 1959)
-Emotions – The only innate emotions are joy, acceptance, fear, surprise, sadness, disgust, anger, and anticipation. Other more complicated emotions like love and guilt are believed to be combinations of these. (Plutchik, 1980)