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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Major types of microbial cell aggregations found in phylum Cyanobacteria. Major types of microbial cell aggregations found in phylum Cyanobacteria.
On May 15, 1916, after deliberating for one hour, an all-white jury in Waco, Texas, found seventeen- On May 15, 1916, after deliberating for one hour, an all-white jury in Waco, Texas, found seventeen-
A medical records department. (Paper records are becoming obsolete, replaced by electronic records.) A medical records department. (Paper records are becoming obsolete, replaced by electronic records.)
An embedded particle of something was found on one of the gears, making this pump worthless except ... An embedded particle of something was found on one of the gears, making this pump worthless except ...
Different types of fog found throughout the United States Different types of fog found throughout the United States
We lost the 6th book in the series. After two months, we finally found it. We lost the 6th book in the series. After two months, we finally found it.
Video: Conduction of action potentials

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