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Did you know?

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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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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People about to have surgery must tell their health care providers about all supplements they take.

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