Over the years, listeners have been curious about Metro Detroit’s mile roads. Some have asked if they’re really one mile apart. Others wonder why some are not called “mile” roads. Angela Hoffman lives on Three Mile Drive and wants to know how her street got its name.

CuriosiD: What’s the Origin of the Boston Cooler?

You've got Detroit questions, we've got answers. CuriosiD is a podcast from WDET, Detroit's NPR Station. Our reporters answer your questions about the region, like "Who invented the Boston Cooler?" or "Are there really salt mines underneath Detroit?" Something puzzling you about Detroit? Ask about it at http://wdet.org/curious and we might answer your question in a future episode!