US Treasury Secretary concludes a four-day visit to China

U.S. Treasury Secretary Janet Yellen said 10 hours of bilateral meetings with senior Chinese officials were "direct" and "productive" as her four-day Beijing trip ended. And there's a fast-growing, largely-unregulated sector that we don't hear so much about: neurotechnology. To talk about this and more is Daniel Glaser, a neuroscientist and director of science engagement at the Royal Institution. Also with us, Chandrika Kaul, professor of modern history at the University of St Andrews, in Scotland.CREDIT Photo by PEDRO PARDO/POOL/EPA-EFE/REX/Shutterstock