Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
You can alleviate a tickly throat by scratching your ear.
9
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
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Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
Men have larger hearts; women's hearts beat faster.
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