In older people, memory is best early in the morning and then declines during the late afternoon.
33
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
25% of your bones are located in your feet.
12
The human brain is more active during sleep than during the day.
28
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Wearing tight pants can lead to impotence in men.
120