On this week’s Tech Nation, ever wondered what’s inside the lithium-ion batteries we use every day? Journalist Nicolas Niarchos joins Moira to talk about the minerals that power our modern life, and how the global race to control them is impacting the planet. Then, Dr Daniel Kraft tells us about the launch of ChatGPT Health. And, a fast-acting treatment for flare-ups of common inflammatory conditions could be around the corner.