The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
Clockwise from above left: Green turtle (Chelonia mydas), Tuatara (Sphenodon punctatus), Nile Crocod
Red-Green Color Blindness Is a Sex-Linked Trait in Humans
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
George Green. …marooned in dreaming: a path of song and mind.