Life Force and Gravity: Does The Soul Just Weigh 21 Grams?
Twenty-one grams is an experiment by Dr. Duncan MacDougall based on the hypothesis that human souls have physical weight. He tried to measure the mass change of six dying patients. One of the six patients lost three-quarters of an ounce or 21.3 grams. While MacDougall’s experiment was rejected within the scientific community, it popularized the ...
