Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
Example of Health Care Services
Nursing care principles for care
The visual areas of the human cerebral cortex.
Pneumonia patient’s chest x-ray. Note the irregular areas of density.