| http://www.w3.org/ns/prov#value | - variable455 wrote:Some rock hyrax colonies have been peeing in the same place for 55,000 years.what enterprising individual decided pee was a good place to look?The question should be: Just how does one look at a urine stain on a rock and determine that it is been re-stained repeatedly over the course of 55,000 years?Inquiring minds want to know.
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