Hod Lipson - Columbia University professor and award-winning robotics researcher - shares with Dr. Anna the one item he can’t live without - his Graphics Processing Unit (GPU).

The conversation reveals how much GPUs underpin our electronic world, and how one somewhat unsung element - boron - is at the heart of making them work. Rio Tinto’s Chief Executive, Minerals, Sinead Kaufman, unpicks what boron is, how it’s extracted, and what needs to be done to keep us having the electronic devices so many of us rely on. We also look at how AI might have a role to play in the future of mining, why boron is “the WD-40 of the world” and what’s being done to help sustainability by “robots eating robots”!

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Spacecraft engineer Dr. Leah Alconcel joins Dr. Anna to tell her about the one item she can’t live without - her lasers

From sending spacecraft to Saturn to the possibility of being able to watch TikTok in outer space, Dr. Leah shares the critical role that lasers have in her life. We are joined again by Rio’s Chief Scientist, Nigel Steward, who reveals how lasers are in fact a fundamental part of everyone’s daily lives and the role of the very small but powerful metals called Rare Earths which ironically (and thankfully) are not that rare.

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Chemical biologist and explorer Dr. Rosa Vásquez Espinoza shares with Dr. Anna the one item she can’t live without - her field microscope.

Dr. Rosa takes us on an expedition to the Amazon as we understand how integral her microscope is to her day-to-day work searching for the tiniest creatures, from heat-loving microbes that exist in boiling rivers to the stingless bee native to Peru. Another exploration expert - Rio Tinto’s Managing Director of Studies, Alison Morley - joins us to share tales of following the clues found in the patterns in rocks and what these patterns tell us about our earth, before Dr. Anna asks both Dr. Rosa and Alison how we can ensure that these ecosystems being explored are protected for our future.

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