The Source

David Martin Davies
The Source
Latest episode

260 episodes

  • The Source

    New cholesterol guidelines call for earlier action to prevent heart disease

    29/04/2026 | 49 mins.
    Updated for the first time in six years, clinical guidelines for screening and managing cholesterol now recommend earlier screenings for those with a family history of heart disease. Cardiovascular disease remains a leading cause of death, but experts say much of it is preventable.
  • The Source

    A wing and a prayer: Saving birds in a time of decline

    28/04/2026 | 50 mins.
    There has been a catastrophic decline in the population of North American birds. The continent has lost approximately one-third of all birds since 1970. But certain groups like raptors and waterfowl have recovered significantly due to targeted habitat restoration and dedicated conservation funding.
  • The Source

    Chips, biotech, quantum, and drones: Can America innovate security and shared prosperity?

    27/04/2026 | 50 mins.
    It’s an essential insight about our world: Innovation drives economic growth. For the U.S. to thrive, it must keep innovating. But how, and in what areas? A new book co-authored by MIT faculty members focuses on key areas where technology advances can drive the economy and support national security. Semiconductors, biotechnology, drones, quantum computing, and advanced manufacturing — are all built on U.S. know-how, but these are also areas where the country could be falling behind.
  • The Source

    Edwards Aquifer rises after April rain, but drought remains for South Texas farmers

    26/04/2026 | 49 mins.
    Because of the ongoing drought water levels in the Edwards Aquifer have been dipping to some of the lowest in history. Yet development growth continues, and big thirsty industry continues to move into the area. Meanwhile area agriculture is looking down the barrel of dropping wells and few options.
  • The Source

    Paths, Barriers and Possibilities: Immigration in America

    23/04/2026 | 50 mins.
    For over a year the Trump administration has been executing its mass deportation agenda. Data shows that the Immigration and Customs Enforcement dragnet has scooped up mainly non-criminal immigrants. Recently the National Council of Jewish Women San Antonio organized the live panel discussion: “Paths, Barriers and Possibilities: Immigration in America” for a conversation about the impact of Trump’s mass deportation policies.

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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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