The human brain is more active during sleep than during the day.
28
A human being loses an average of 40 to 100 strands of hair a day.
133
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In one day, adult lungs move about 10,000 litres of air.
11
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15