KQED Science

Sexual freedom is booming in San Francisco with the city’s broad offering of Doxy PEP. But doctors worry this approach may risk making these drugs less effective in the future.

A new Stanford University study finds that annual prescribed burning could substantially reduce smoke pollution during California’s worst wildfire years.

Friendship apps and curated dinners are helping people connect in a lonely moment. But they can only open the door. The effort and the follow-up are still on us.

A new study found that a warm Bay Area winter may have pushed honey bees to swarm weeks earlier than usual.

State leaders negotiated an agreement with Valero this year to use its idled Benicia facility to store and transport imported fuel, which brings little economic activity while freezing redevelopment plans.

In parts of the Bay Area and Central Coast, some practitioners are increasing home visits, and even meeting clients in their cars, to ease fears of a run-in with ICE.

The statewide expansion of a voluntary speed reduction program aims to prevent dangerous ship strikes — and also cut the amount of marine shipping pollution that drifts ashore.

California now requires folic acid in corn masa flour — a staple in many Latino households — in an effort to close a long-standing public health gap.

KQED’s new series "Flipping the Switch" will explore the costs, challenges and potential fixes as the most populous U.S. state attempts to ditch planet-warming pollution.