This year has seen historic floods around the world. Some cities, like China’s Zhengzhou, are mitigating flooding by developing “sponge” infrastructure — designing better water collection and drainage systems while utilizing surrounding nature. Our Nature Contributor Kyle Obermann explores how cities are dealing with a changing world.

From the race to the moon to exploring the cosmos, scientific developments aimed at understanding space have helped to advance life here on Earth. And China is right behind the US in leading new satellite innovations that will further transform our lives. Our Host James Chau explores the latest in tech.

At the height of America’s industrial growth, new arrivals, originally from Kaiping, China, came to the US seeking work. From the construction of its first continental railroad to the building of the Golden Gate Bridge, Chinese laborers were fundamental to America’s construction and growth. Our Host James Chau tells their story.