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Did you know?

The horizontal fraction bar was introduced by the Arabs.

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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

An analogy for how cardiac output, resistance, and blood pressure are related. An analogy for how cardiac output, resistance, and blood pressure are related.
An R plasmid with resistance genes carried in a transposon An R plasmid with resistance genes carried in a transposon
Several common functional groups in a single biomolecule Several common functional groups in a single biomolecule
The nucleotide cyclic AMP (cAMP), a common messenger molecule. The nucleotide cyclic AMP (cAMP), a common messenger molecule.
Common Abbreviations and Symbols Used by Massage Therapists Cont. Common Abbreviations and Symbols Used by Massage Therapists Cont.
Common Illnesses in Malnourished Children Common Illnesses in Malnourished Children
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

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