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Author Question: What innovation in clerical work occurred during the United States' Civil War? a. Typewriters ... (Read 58 times) |
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.
The horizontal fraction bar was introduced by the Arabs.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.