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Did you know?

Your heart beats over 36 million times a year.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

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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.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
The Two New Strands Form in Different Ways The Two New Strands Form in Different Ways
Varicella or chickenpox, a viral skin infection. In this photograph, the rash is beginning to form s Varicella or chickenpox, a viral skin infection. In this photograph, the rash is beginning to form s
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
The I-9 form. The I-9 form.
Urban Form Urban Form
Video: What is an ecosystem?

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