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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
There are approximately 3 million unintended pregnancies in the United States each year.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
The longest a person has survived after a heart transplant is 24 years.
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