If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Your fingernails grow faster in summer.
744
The human eye blinks an average of 4,200,000 times a year.
233
Yawns are more contagious among people with closer relationships.
163
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
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
It takes approximately 12 hours for food to entirely digest.
93
Our Right Lungs takes more air than our left lung.
194