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How do scientists monitor the populations of the threatened California red-legged frog? With careful listening and a little help from AI.

Hurricane Katrina exposed longstanding flaws in the New Orleans criminal justice system. In the 20 years since, there has been dramatic change in the public defender office.

A new report shows rapid development of new cancer treatment and detection is helping people live more. But more people are also getting diagnosed, and at younger ages.

An author of a recent study about lightning's effect on trees in Panamanian forests says his team has gotten a large, positive response from people, including those who call the trees inspirational.

KPBS Midday Edition spoke with Jacob Margolis, a science reporter for LAist Public Radio and host of the podcast “The Big One: Your Survival Guide” about preparing for and responding to an earthquake.

Step back in time and discover the fascinating craft of flintknapping in this hands-on class! Flintknapping is the ancient technique of shaping stone into tools through the application of controlled force, a skill that has been used by humans for hundreds of thousands of years. In this class, you’ll learn the basics of flintknapping, including how to create cutting tools, points, and other useful implements by striking and shaping raw stone. Guided by an experienced instructor, you’ll gain insight into the historical and cultural significance of flint tools and understand the precision involved in the process. Whether you’re a history enthusiast, a survival skills aficionado, or simply curious about ancient craftsmanship, this class offers a unique opportunity to connect with a time-honored tradition. You’ll leave with not only new skills but also a deeper appreciation for how early humans created the tools that helped shape civilization. All materials are provided, and no prior experience is necessary. Ages 12 and up. Participants under the age of 18 years old must be accompanied by an adult participant. Visit: https://app.etapestry.com/onlineforms/TheSanDiegoArchaeologicalCnt/flintknapping.html

Maria Reva's virtuosic novel starts out as a straightforward story about a Ukrainian biologist, but morphs into a comic take on war, the mail-order bride business and the plight of snails.

Premieres Wednesday, May 28, 2025 at 11 p.m. on KPBS TV / PBS app. California condors navigate threats like wildfires, lead poisoning, and pesticide DDT. Filmed in Big Sur and Pinnacles National Park, it portrays the struggles of Traveler (Red 71), who overcomes lead poisoning while her mate, Shadow (Yellow 9), raises their chick.

The Soviet spacecraft Kosmos-482 was launched in 1972 on a mission to Venus. But due to a rocket malfunction, it's been hurtling back towards Earth in an elliptical orbit for the past 53 years.

In the first feature film co-directed by an Israeli and an Iranian, Tatami, an Iranian judoka must choose between her country and a run for the gold at the World Judo Championships.