Word: potassium
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...zero-gravity, in fact, astronauts suffer from severe nausea and dizziness, lose significant amounts of calcium in their bones, and excrete high levels of potassium...
Martin C. Moore-ede, assistant professor of Physiology at the Medical School, heads a project investigating why astronauts lose considerable potassium in space--a condition that strains the heart...
...found her lying on the rug before the fire. Clover? She must have fainted. Henry knelt down. There was a strange smell. One of the chemicals that she used for her photography. Potassium cyanide. From the bottle lying there. Henry picked up the body, still warm, soft, heavy, and dragged it over to the sofa. Clover did not open her eyes. Did not answer him. Did not explain. Did not move...
...Columbia University Institute of Nutrition: "Victims of starvation have to adapt. But once they do, they have a very small margin for error." Death comes in many ways. The intestinal walls become damaged; severe and constant diarrhea may develop. The loss of body fluids containing electrolytes (particularly potassium) that help control heart rhythm can lead to circulatory collapse. Lack of food weakens the body's natural defense system against infection; crowded together with inadequate sanitation and nonexistent medical care, the starving-as the refugee experience proves-become prey to typhoid, cholera, tuberculosis and malaria. The absence of essential vitamins...
Johanson's announcement, however, left most colleagues puzzled. The bones have been around for more than four years now, long since dated by potassium-argon tests, and many anthropologists who have studied them are generally convinced that Lucy is an Australopithecus africanus, not some new species...