Get a sneak peek of this year's Christmas Lectures! In this clip from lecture 2, Maggie Aderin-Pocock describes how discoveries in the Mariana Trench on Earth could point to the possibility of life on other planets.
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For more out-of-this-world science, don't miss the 2025 Christmas Lectures, with Maggie Aderin-Pocock— they'll be on iPlayer in the UK on the 28, 29 and 30 of December, and Premiered here on our YouTube channel at 7pm GMT on 28 December.
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