PODCAST

The Source

The Source is a daily, one-hour call-in talk program that gives listeners in San Antonio the opportunity to call and connect with our in-studio guests and city-wide audience.The Source seeks to give life, context and breadth to the events and issues affecting San Antonio by bringing newsmakers and experts to the public, and highlighting the people being affected by the news of the day.The show is hosted by veteran journalist David Martin Davies.Tune in to The Source for insightful discussion and

government

All Episodes

49:38

Data centers add new strain to Texas water supplies

The Source ·

2026/04/13

A recent study reveals the significant and largely unaccounted-for pressure that the rapid expansion of data centers is placing on Texas’ water resources. The number of massive data centers is surging in Texas, placing a strain on the grid. They are also demanding a lot of water that many areas just don't have.

Port San Antonio becomes SA's key economic engine

The Source ·

2026/04/13

Port San Antonio has become one of the city’s most important economic development hubs. The former military base is now driving growth in aerospace, defense, cybersecurity and advanced manufacturing. What does that mean for San Antonio’s economy, its workforce, and its future?

Grandparents raising grandchildren navigate growing...

The Source ·

2026/04/08

Over 2.5 million grandparents in the U.S. are primary caregivers for their grandchildren. This is a growing trend driven by parental addiction, incarceration, mental health issues, neglect, and financial instability. This "grandfamily" phenomenon often leaves seniors managing financial, legal, and health challenges with little to no support.

UT Health San Antonio opens new diabetes center with...

The Source ·

2026/04/07

UT Health San Antonio has launched a new Center for Excellence in Diabetes to advance treatment and work toward a cure for a disease that impacts about one in six people in San Antonio. The center will bring together clinicians, researchers and trainees to better understand the wide range of symptoms and complications of diabetes that can vary from patient to patient.

24:56

New solar tech offers big promise in an uncertain...

The Source ·

2026/04/06

Solar energy advocates are excited about perovskite-based solar technology, which could produce cheaper, more efficient panels that use less energy to manufacture than traditional silicon solar cells. But hurdles still stand in the way, including durability, large-scale production and environmental concerns.

25:24

What's next after Artemis ll?

The Source ·

2026/04/06

As NASA’s Artimis ll is orbiting around the moon and will soon head back to Earth, there are lots of questions about what is next for humanity and space exploration. A permanent moon base is planned and then explorations of Mars. But how realistic are these ambitious plans?

49:15

San Antonio’s biomedical growth brings promise for...

The Source ·

2026/04/05

As San Antonio enters a new industrial era, four frontier industries are driving opportunity and innovation: cybersecurity, bioscience, advanced manufacturing, and aerospace. How will San Antonio leverage its $44 billion innovation ecosystem, retain local talent and discoveries – to foster breakthrough bioscience research, technologies, and companies?

48:43

The path to Artemis II runs through Eileen Collins’...

The Source ·

2026/04/02

As the United States’ space program is heading back to the moon — we hear from Eileen Collins — a retired NASA astronaut. Collins was the first woman to pilot the Space Shuttle and the first to command a Space Shuttle mission. A new documentary “Spacewoman” tells the story of this NASA pioneer. She tells us about her time in space and what the future might hold for space exploration.

FRONTLINE: Investigating Iran's nuclear program

The Source ·

2026/03/31

FRONTLINE's “Strike on Iran: The Nuclear Question,” is an updated report that is produced with The Washington Post, Evident Media and Bellingcat. The documentary investigates Iran’s nuclear program after the June 2025 strikes. Iran's ability to build a nuclear weapon was the primary justification for the ongoing U.S. Israeli war with Iran.

Rep. Castro on Trump, the economy and the war with Iran

The Source ·

2026/03/31

One month into the U.S. Israeli war against Iran, and there remain questions about why President Trump decided to launch the attack and what the objectives are. Under the Constitution only Congress has the authority to declare war — but that didn’t happen. San Antonio Congressman Joaquin Castro (D) joins us to answer your questions about the war with Iran.

48:48

Decoding the Mayan mystery

The Source ·

2026/03/30

The history of the Mayan civilization seemed to be lost forever when Spanish explorers first saw the ruins of the ancient cities in Mexico and Central America. Today with recent decipherment of their writings the story of the Maya can now be told from their perspective.

Mayor Jones reports back from Taiwan trade trip

The Source ·

2026/03/30

San Antonio Mayor Gina Ortiz Jones is using overseas trade missions to make the case that the city can compete for the industries shaping the next economy. Her latest trip, a March delegation visit to Taiwan, was framed by City Hall as an effort to strengthen bilateral ties, attract investment, and position San Antonio as a landing spot for Taiwanese firms looking to expand in the United States.

How should San Antonio regulate data center growth?

The Source ·

2026/03/30

The number of data centers in the San Antonio area continues to grow. And District 10 Councilmember Marc Whyte is presenting a nuanced position on the growth as an opportunity for the city’s economy — boosting revenue for CPS Energy and providing a projected $50 million dollars for the city’s general fund. Whyte is calling for managing data center growth to protect the region's water and neighborhoods.