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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.