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In Our Time: The Mariana Trench
Misha Glenny and guests discuss one of the wonders of the natural world. In 1875 in the western Pacific, the crew of HMS Challenger discovered the Mariana Trench which turned out to be deeper than Everest is high, by two...
About This Episode
In Our Time: The Mariana Trench is an episode from The Documentary by BBC. Misha Glenny and guests discuss one of the wonders of the natural world. In 1875 in the western Pacific, the crew of HMS Challenger discovered the Mariana Trench whi...
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Episode Details
Published Apr 29, 2026, 49:27 long, audio available.
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Questions About This Episode
What is In Our Time: The Mariana Trench about?
Misha Glenny and guests discuss one of the wonders of the natural world. In 1875 in the western Pacific, the crew of HMS Challenger discovered the Mariana Trench which turned out to be deeper than Everest is high, by two kilometres. Trenches like Mariana form when one tectonic plate slips under another and heads down and there are around fifty of them globally. While at one time some thought it was too dark and deep for life there and others wildly imagined monsters, the truth has turned out to be much more surprising.
Where can I listen to In Our Time: The Mariana Trench?
You can listen to In Our Time: The Mariana Trench online on Radio and Podcast. Open the player on this page to stream the available audio.
Which podcast is In Our Time: The Mariana Trench from?
In Our Time: The Mariana Trench is an episode from The Documentary by BBC.
How long is this episode?
This episode is 49:27 long.
When was this episode published?
This episode was published on Apr 29, 2026.
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Are there related episodes from The Documentary?
Yes. This page shows related episodes from The Documentary when more episodes are available from the podcast feed.
Quick Answers About This Episode
Where can I listen to In Our Time: The Mariana Trench?
You can listen to In Our Time: The Mariana Trench on this page when the episode audio is available from the podcast feed.
Which podcast is this episode from?
In Our Time: The Mariana Trench is from The Documentary by BBC.
What are the episode details?
Published Apr 29, 2026 and 49:27 long