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Wednesday, June 22, 2022 at 9 p.m. on KPBS TV + Sunday, June 26 at 9 p.m. on KPBS 2 / On demand now with KPBS Passport! After years of anticipation, autonomous vehicles are now being tested on public roads around the world. As ambitious innovators race to develop what they see as the next high-tech pot of gold, some experts warn there are still daunting challenges ahead. How do self-driving cars work?

Rosa Hernandez left Oaxaca when she was 20 to work in the fields in Madera, California. Now, she co-owns a restaurant, cooking the food of her homeland for the many indigenous Mexicans who live in the area. She did it, she says, through inter-ethnic friendships and connections.

Though it may seem like the gig economy has ushered in the mobile work style from restaurants and coffee shops, the fact is that working and eating have been intertwined since ancient civilization.

A survey of hundreds of private employers in the region shows most are struggling to bring their employees back into the office. Many firms cited worries about the safety of using public transit.

Large algae blooms in lakes and rivers have become an annual warm weather headache in nearly every U.S. state, endangering water supplies and local economies. A new competition hopes to help.

Self-governing tribal casinos have largely kept intact safety rules they adopted since reopening in the spring, though some have canceled New Year's Eve celebrations. “Stay home orders” in effect since Dec. 3 for other businesses prohibit on-site dining, close gyms and cardrooms, restrict hotel reservations and limit capacity to 20% at retail stores.

Germany runs huge trade surpluses. The U.S. hasn't seen one in decades. President Trump accuses the Germans of cheating, without offering specifics. But a number of factors fuel German export prowess.

Will a genetic test for Type 1 diabetes risk be valuable to parents, despite its shortcomings? Now many parents don't know their kids have this condition until they end up in the hospital.

More than 140 others are sick aboard a cruise ship holding off the coast of Panama. The cruise line Holland America wants to move the ill coronavirus patients to the United States.

A new report from the Pacific Institute suggests Californians have learned to conserve so well that water forecasters have radically overestimated the amount of water we will need in the future.