Your fingernails grow faster in summer.
744
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
The world's shortest man measures only 21.5 inches.
73
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The human brain has the capacity to store everything that you experience.
4k
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13