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

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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.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Examples of common forms of strabismus: (A) esotropia with the right eye turning inward and (B) exot Examples of common forms of strabismus: (A) esotropia with the right eye turning inward and (B) exot
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Video: Protein Structure - Primary, Secondary, Tertiary and Quaternary

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