Exploring the deep in BBC Focus

In the Christmas edition of BBC Focus magazine, I take the plunge into the deep ocean to find out how scientists are uncovering great wonders in the final, blue frontier of our planet.

There are submarines shaped like mermaids, scuba divers venturing deeper than most of us get to go, elephant seals that are helping researchers gather data, and I chat with researchers about what it feels like to be thousands of metres beneath the waves.




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