Mysteries Department
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Questions

Research questions are the building block of our platform of scientific inquiry. Key questions are the ones at the heart of a mystery; every other question helps answer one of them.

4questions0answered0with no evidence yet
Lost Dutchman's gold mine
Lost Dutchman's gold mine2 key questions · 4 questions · 0 answered
Open the mystery
QuestionWhere it stands
Most likelyThe range is mid-Miocene ash-flow tuff and lava of a caldera complex, without the hydrothermal systems that…
Most likelyThere was no mine; an old man's deathbed talk, perhaps with a small cache, grew into a composite legend
Open3 answers, none ahead
Partly answered0 of 3 answers ruled out