The Source

David Martin Davies
The Source
Latest episode

262 episodes

  • The Source

    How corporations get rich off America’s poor

    05/05/2026 | 48 mins.
    Poverty is big business in America. The federal government spends about $900 billion a year on programs that impact poor Americans, including antipoverty programs like Medicaid, affordable housing and subsidies. There is a vast web of entrenched companies that profit from regulating the lives of the poor with business models that depend on exploiting low-income Americans. The new book Poverty for Profit explains.
  • The Source

    How loneliness kills

    04/05/2026 | 50 mins.
    Headlines have made clear that we are in a crisis of loneliness, but the conversation has yet to explore how social isolation impacts the body and mind on a cellular level. We are animals that need community and unity. We hear a neuroscientist’s guide to boosting your brain health by living a more connected life.
  • 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.

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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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