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The captain sounds the alarm. The waters around the ship rumble. Strange lights from deep below inch closer and closer to you. Something is emerging from the Mariana Trench, and it does not belong on this planet. If aliens lived in the deepest place in the ocean, what would they look like? How would they communicate with each other? And what would happen if we dared to contact them?

Transcript and sources:

00:00 Aliens in Mariana Trench?
00:39 What lies deep within the ocean?
02:11 Translucent snailfish and sea cucumbers
02:58 What would aliens eat at the bottom of the ocean?
04:38 How would we notice the aliens?
05:35 Overwhelming pressure at the depths

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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.

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#whatif #marianatrench #alien #aliens #earth

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