Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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
Your heart will pump about 212 million liters in its lifetime.
26
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Your fingernails grow faster in summer.
744
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