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The horizontal fraction bar was introduced by the Arabs.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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There are approximately 3 million unintended pregnancies in the United States each year.

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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.

The frequency of competition according to the number of species involved. The frequency of competition according to the number of species involved.
Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease. Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease.
When the number of miles traveled is considered, drivers under 25 years of age and those over 70 are ... When the number of miles traveled is considered, drivers under 25 years of age and those over 70 are ...
The distribution of cones and rods over the human retina. The figure illustrates the number of cones ... The distribution of cones and rods over the human retina. The figure illustrates the number of cones ...
Standard Precautions for the Care of all Patients in All Health Care Settings Standard Precautions for the Care of all Patients in All Health Care Settings
The Location and Number of Farms in the United States, 2012 The Location and Number of Farms in the United States, 2012
Video: Knee Animation

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