Your fingernails grow faster in summer.
744
The human eye blinks an average of 4,200,000 times a year.
233
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
It takes approximately 12 hours for food to entirely digest.
93