Your thumb is about the same size as your nose.
124
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Poor eyesight (myopia) is associated with higher IQ.
232
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Yawns are more contagious among people with closer relationships.
163
Our brains have a negativity bias and will remember bad memories more than good ones.
15