Yawns are more contagious among people with closer relationships.
163
Poor eyesight (myopia) is associated with higher IQ.
232
Your thumb is about the same size as your nose.
124
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The human brain has the capacity to store everything that you experience.
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