A Cupertino couple wondered where the street name "Hoo Hoo Way" came from. Turns out, it's a long story.

Reported by Jessica Placzek. Bay Curious is Olivia Allen-Price, Vinnee Tong, Paul Lancour, Julia McEvoy, Suzie Racho, Holly Kernan, David Weir and Ethan Lindsey. Theme music by Pat Mesiti-Miller.

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Marin County is the whitest county in the Bay Area -- but why? Reporter Ericka Cruz-Guevarra takes us through some pivotal moments in Marin history that contributed to its demographics today.

Reported by Ericka Cruz-Guevarra. Produced and edited by Olivia Allen-Price, Vinnee Tong, Paul Lancour and Julia McEvoy. Theme music by Pat Mesiti-Miller.

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Putting a number on displacement is a tall order, but we do have an idea about who is leaving Oakland.

Produced and edited by Olivia Allen-Price, Vinnee Tong, Paul Lancour and Julia McEvoy. Theme music by Pat Mesiti-Miller.

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Bay Curious listener Kristin Seitz was looking at a map of San Jose when she noticed an awful lot of holes. The city's territory isn't one undivided shape, but rather resembles a piece of Swiss cheese. Seitz wondered: Why are there so many unincorporated "urban islands" in the San Jose area?

Reported by Ericka Cruz-Guevarra. Produced and edited by Olivia Allen-Price, Vinnee Tong, Paul Lancour and Julia McEvoy. Theme music by Pat Mesiti-Miller.

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Owners of historic buildings might be able to sell the air space above their building, allowing developers elsewhere to build higher.

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Listener Jenny Wread has noticed the Bay Area's smog on her commute. And she's hearing more Spare the Air alerts. How is the air quality doing in the Bay Area as the population grows?

Reported by Matt Beagle. Produced and edited by Olivia Allen-Price, Vinnee Tong, Paul Lancour and Julia McEvoy. Theme music by Pat Mesiti-Miller.

Ask us a question at BayCurious.org. Follow Olivia Allen-Price on Twitter @oallenprice.

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Take a trip around the San Francisco Bay and get to know our local foghorns -- where they are, how they work, who turns them on.

Reported by Laura Klivans. Bay Curious is made by Olivia Allen-Price, Jessica Placzek, Paul Lancour, Ryan Levi and Suzie Racho. Additional support from Julie Caine, Julia McEvoy, Ethan Lindsey and Howard Gelman. Holly Kernan is Vice President for News. Theme music by Pat Mesiti-Miller. Ask us a question or sign up for our newsletter at BayCurious.org. Follow Olivia Allen-Price on Twitter @oallenprice.

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If you live in the Bay Area, a foggy day can be a good excuse for some guilt-free time indoors. If you live near the water, days like that bring something else: foghorns.

Reported by Laura Klivans. Produced and edited by Olivia Allen-Price, Vinnee Tong, Suzie Racho, Paul Lancour and Julia McEvoy. Theme music by Pat Mesiti-Miller.

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In the 1960s, San Francisco was in the midst of a sexual revolution. Officials across the Bay in Oakland wanted none of it.

Reported by Adizah Eghan. Produced and edited by Olivia Allen-Price, Vinnee Tong, Paul Lancour, Suzie Racho and Julia McEvoy. Theme music by Pat Mesiti-Miller.

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When Sutro Tower was first proposed, nearly everybody hated it. How did it get built?

Reported by Jessica Placzek. Produced and edited by Olivia Allen-Price, Vinnee Tong, Paul Lancour, Suzie Racho and Julia McEvoy. Theme music by Pat Mesiti-Miller.

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Follow Olivia Allen-Price on Twitter @oallenprice.

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