A recent MSN article claims a fossilized hominid called "Little Foot" found in a cave at the Sterkfontein site near Johannesburg, South Africa, is approximately 3.67 million years old.1 A similar report appeared in ScienceNews.2 Both articles provide insufficient detail to make an intelligent evaluation of the method used to arrive at the stated conclusion, and as such that conclusion must be regarded as suspect. However, there is one key point concerning radioisotope dating they offer that c
