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Did you know?
Your heart beats over 36 million times a year.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.