If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
The human brain has the capacity to store everything that you experience.
4k
Your fingernails grow faster in summer.
744
In one day, adult lungs move about 10,000 litres of air.
11
The human eye blinks an average of 4,200,000 times a year.
233
You forget 90% of your dreams.
256
Your thumb is about the same size as your nose.
124