Scientists are developing ever-more powerful magnets to enable clean energy sources like fusion. But China's dominance of the supply chain for rare-earth magnets threatens their global availability.
Gold built South Africa, but mining kills some who dig for it. In Stilfontein, a disaster that trapped miners underground reveals how a quest for gold became a story of hunger, survival and death.
Emily Chang meets Alexis Ohanian at Athlos NYC, an annual women's track and field event. They discuss his athletics portfolio, venture career and what really happened when he left Reddit.
Gina Goetter is the CFO and COO of Hasbro. She's the architect of the company's transformation, diversifying its manufacturing footprint and investing in Hasbro's video game ambitions.
Francine Lacqua meets Ray Dalio on OceanX in the port of Nice for the UN Ocean Conference. They speak about radical transparency, building and leaving one of the largest hedge funds and what's next.