Methemoglobinemia (metHb) is a rare condition that reduces the ability of red blood cells to carry oxygen. It is caused when a genetic mutation or environmental toxins turn hemoglobin (the iron-rich ...

In 1949, a team led by chemist Linus Pauling placed hemoglobin solutions from people with a disabling form of anemia and from healthy volunteers in an electric field, and found that the two samples ...