The human brain is more active during sleep than during the day.
28
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
If the human eye was a digital camera, it would have 576 megapixels.
25
Our Right Lungs takes more air than our left lung.
194
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
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13