In this discussion, Mark Johnson, The Economist's Beijing correspondent, shares frontline insights on China's unprecedented lockdown to combat the coronavirus outbreak, addressing public reactions and government strategies. Meanwhile, Matt Steinglass highlights Finland's innovative Housing First policy, showcasing its success in tackling homelessness in affluent nations. Benjamin Sutherland introduces a groundbreaking heart-print identification technology, discussing its mechanics and ethical implications. Together, they dive into pressing global challenges and innovative solutions.

Mark Johnson, The Economist’s Beijing correspondent, discusses the strict lockdowns in China amid the coronavirus outbreak during the New Year. He highlights the challenges of asymptomatic cases and public reaction. Meanwhile, Matt Steinglass, the Europe correspondent, shares insights on Finland's successful 'Housing First' policy that effectively addresses homelessness by providing stable housing first. They also touch on innovative tech like the Chetson device, which captures unique heart vibrations for identification, raising questions about privacy and security.