We know remarkably little about the tens of thousands of jellies species in our oceans. So scientists are searching for deepsea jellyfish to decode their genes.

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In the Deep is a new series by Quartz on the wonders of our oceans and the intrepid scientists seeking to understand them. From the depths of the ocean to vibrant coral reefs, we follow a new generation of explorers using cutting edge technology to push the frontiers of human understanding.

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