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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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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.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Anatomy of the large intestine Anatomy of the large intestine
The digestive system: functions of the small intestine and large intestine (colon) The digestive system: functions of the small intestine and large intestine (colon)
Middle adulthood can bring large-scale changes in lifestyle and interests, as illustrated by this ph Middle adulthood can bring large-scale changes in lifestyle and interests, as illustrated by this ph
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This battery shows a large “1000” on the front panel but this is the CA rating and not the ... This battery shows a large “1000” on the front panel but this is the CA rating and not the ...
Industrial and transport sources are responsible for a large proportion of global GHG emission Industrial and transport sources are responsible for a large proportion of global GHG emission
Video: Cerebral Cortex Animation

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