Question

In 1907, Dr. Duncan MacDougall performed a seriesof experimentsin which he attempted to measure theweight of the soul asit left a dying person. In his experiments, MacDougall placed a dying person on a scale and measured their weight immediately prior to and following death. MacDougall determined the changein weightto be approximately21 grams. From theseexperiments,he concluded that thesoul exists and hasmass. What is thefundamental scientificflaw in his conclusions?

Answer 1

the main problem is that many things could explain the result.