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Author Question: When air is pumped into the cylinder, the combustion chamber receives an increase of air pressure ... (Read 76 times) |
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.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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.
There are 60,000 miles of blood vessels in every adult human.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.