The largest cell in the human body is the female egg and the smallest is the male sperm.
682
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
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
In one day, adult lungs move about 10,000 litres of air.
11
Enamel is hardest substance in the human body.
61
The human brain doesn't stop developing until about 25 years old.
102
You forget 90% of your dreams.
256
On average, there's 100 billion neurons in the human brain.
83