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Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Some breeds of dogs that have been obtained by selective breeding. Some breeds of dogs that have been obtained by selective breeding.
A map of the E. coli genome obtained genetically A map of the E. coli genome obtained genetically
Plants Plants
Plants Plants
Biosynthetic Families of Amino Acids in Bacteria and Plants Biosynthetic Families of Amino Acids in Bacteria and Plants
To broaden and lift the quadriceps muscles, place the heels of the hands together directly on top of ... To broaden and lift the quadriceps muscles, place the heels of the hands together directly on top of ...
Video: Covalent bonds - role in the body

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