The average office desk has 400 times more bacteria on it than a toilet.
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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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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The longest a person has survived after a heart transplant is 24 years.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Clouds: Unusual Clouds
Clouds: Unusual Clouds
Clouds: Unusual Clouds
Clouds: Unusual Clouds
A sampling of the modified and unusual bases found in tRNAs