Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
The average person's skin weighs twice as much as their brain.
131
The average sperm cell swims at 8 inches per hour.
4
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132