A household name following both the mapping of the human genome and, in 2010, the creation of the first synthetic organism, J Craig Venter is a singular figure in 21st century science: a biologist whose legacy is secure and who, at 77, still continues to push boundaries.

He joined us in conversation with David Malone to share a story that is equal parts thrilling global adventure and a journey of momentous scientific discovery: his fifteen year, 65k mile quest to map the microbiome of the oceans. Traveling in the Sorcerer II, a 100ft sailboat turned research vessel, Venter and his team discovered millions of unknown genes, thousands of unseen protein families, and new lineages of bacteria that revealed the unimaginable complexity of life on earth.

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