The largest cell in the human body is the female egg and the smallest is the male sperm.
682
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
Babies crawl an average of 200m a day.
212
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Mushrooms are more closely related to humans than they are to plants.
47