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Author Question: What are M.C. Escher's paintings, which often include impossible staircases and other structures, ... (Read 27 times) |
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.