The Source

David Martin Davies
The Source
Latest episode

245 episodes

  • The Source

    New solar tech offers big promise in an uncertain energy moment

    04/06/2026 | 24 mins.
    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.
  • The Source

    What's next after Artemis ll?

    04/06/2026 | 25 mins.
    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?
  • The Source

    San Antonio’s biomedical growth brings promise for jobs and economic development

    04/05/2026 | 49 mins.
    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?
  • The Source

    The path to Artemis II runs through Eileen Collins’ story

    04/02/2026 | 48 mins.
    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.
  • The Source

    FRONTLINE: Investigating Iran's nuclear program

    03/31/2026 | 24 mins.
    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.

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About 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 analysis on topics that matter to residents of the Alamo City.Contribute to the conversation:Call or text during the live show at 833-877-8255.Leave a voicemail at 210 615-8982 anytime. Submissions may be played on-air.Email comments to [email protected].
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