When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
On average, there's 100 billion neurons in the human brain.
83
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
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
Yawns are more contagious among people with closer relationships.
163