We sometimes hear that 'we know more about Mars than the deep ocean', but is that true? Exploring the deep ocean is a recent enterprise, made possible by new technology in the past two centuries, but what we now know about the dark depths is as remarkable as the unknowns that remain.

This lecture examines the deep-sea discoveries that have transformed our understanding of our planet, and the history of exploring the deep ocean that covers most of it.

A lecture by Dr Jon Copley, University of Southampton 15 January 2019

The transcript and downloadable versions of the lecture are available from the Gresham College website:
https://www.gresham.ac.uk/lectures-and-events/dark-deep-ocean-planet

Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website. There are currently over 2,000 lectures free to access or download from the website.

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