In this Q&A episode we begin with a query from a listener who is agonising over whether to apply for work at a defence research institution. Can believers, even those who hold to just war theory, spend their careers helping create better ways for soldiers to kill? How can we know what God’s will for our lives are in general?
Then we move to a second question about a concerning story: a family using at-home DNA tests accidentally discovered their late father was not biologically related to them, and instead had been swapped for another family’s baby when a newborn in an NHS maternity ward 80 years ago. Should we be wary of taking these kind of DNA tests, afraid of what unintended consequences may flow? How should Christians approach our society’s increasingly DNA-obsessed thinking about family and kinship?

We always joked dad looked nothing like his parents - then we found out why https://www.bbc.co.uk/news/articles/c4gexw7l7rwo

[Correction: Around 6 minutes in, Tim says that the Church of England does not exclude from its investments arms manufacturers, but this is actually wrong. Their ethical rules do prohibit investing in companies if they sell arms unless it’s only a very small proportion of their overall business: https://www.churchofengland.org/sites/default/files/2024-09/defence-advice.pdf]

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Released on 16 Jul 2025