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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Proteomes and their relationship to cell structure, function, and organization. Proteomes and their relationship to cell structure, function, and organization.
A rich diversity of life lives in and among coral reefs. A rich diversity of life lives in and among coral reefs.
The accessory organs of the digestive system: the liver, gallbladder, and pancreas. Image shows the The accessory organs of the digestive system: the liver, gallbladder, and pancreas. Image shows the
Renal regulation of sodium and potassium balance. Renal regulation of sodium and potassium balance.
A summary model of the regulation of gonadal hormones. A summary model of the regulation of gonadal hormones.
A crowd in Iceland reflects its narrow range of genetic diversity A crowd in Iceland reflects its narrow range of genetic diversity
Video: Stroke volume

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