Obsessive nose picking is called Rhinotillexomania.
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You can't tickle yourself.
29
Your thumb is about the same size as your nose.
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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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
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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
Babies crawl an average of 200m a day.
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