The Source

By David Martin DaviesGovernment

The Source episodes

April 13 Data centers add new strain to Texas water supplies
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.
50 min
April 13 Port San Antonio becomes SA's key economic engine
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?
50 min
April 08 Grandparents raising grandchildren navigate growing burdens and limited support
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.
50 min
April 07 UT Health San Antonio opens new diabetes center with research, prevention and care in focus
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.
50 min
April 06 New solar tech offers big promise in an uncertain energy moment
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 min
April 06 What's next after Artemis ll?
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?
26 min
April 05 San Antonio’s biomedical growth brings promise for jobs and economic development
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?
50 min
April 02 The path to Artemis II runs through Eileen Collins’ story
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.
49 min
March 31 FRONTLINE: Investigating Iran's nuclear program
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.
25 min
March 31 Rep. Castro on Trump, the economy and the war with Iran
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.
26 min

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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…