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Did you know?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Did you know?
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

