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Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.