Reported by Julia Scott. Bay Curious is Olivia Allen-Price, Vinnee Tong, Paul Lancour, Suzie Racho, Jessica Placzek, Penny Nelson and Julia McEvoy.

Theme music by Pat Mesiti-Miller.

Ask us a question at BayCurious.org.

Follow Olivia Allen-Price on Twitter @oallenprice.

What Makes San Francisco Sourdough Unique?

Bay Curious is a show about your questions – and the adventures you find when you go looking for the answers. Join host Olivia Allen-Price to explore all aspects of the San Francisco Bay Area – from the debate over "Frisco", to the dinosaurs that once roamed California, to the causes of homelessness. Whether you lived here your whole life, or just arrived, Bay Curious will deepen your understanding of this place you call home.