Futureproof with Jonathan McCrea Futureproof with Jonathan McCrea

Extra: Behind The Scenes of The Lost Bridge

Sep 15, 2026 · 24m

Summary

Jonathan McCrea and producer Aidan McKelvey deconstruct the "Lost Bridge" documentary, recounting their visit to a cave in western Ireland where potential 15,000-year-old finger flutings and etchings were discovered. They discuss the implications of this find for extending the timeline of early human settlement in Ireland and reflect on the frantic, three-day production process triggered by a competing BBC report. The episode also features listener feedback on prehistoric artifacts, a humorous anecdote about McCrea's philosophy dissertation on time travel, and brief discussions on dark matt…

Topics discussed

Introduction and listener warning Context: The AI discovery and trip to the west Arriving at the cave and meeting the team Inside the cave: Initial reactions and observations Identifying finger fluting and calcite colors Debate on etchings: Art vs. communication The cave's history and the 10,000-year barrier Prehistoric mindset and the rite of passage The physical challenge of the cave crawl Claustrophobia and future sampling plans Team confidence and potential timeline extension BBC coverage and the rush to publish Producing the documentary in one week Creating a Paleolithic soundtrack Media support and the microsite launch The role of music in storytelling Listener email: Local historian's stone artefacts Listener comments on ancient bones and DNA Graham Hancock and ancient alien theories Philosophy of time and dissertation story Dark matter, sleep apnea, and sign-off
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