Rebels linked to Rwanda have occupied the city of Goma in eastern Congo. Our correspondent reports on the horrific scenes there, and warns that Rwanda’s belligerence may be part of a bigger plan to redraw the map of Africa. How microplastics may be affecting our health (10:43). And why Gen Z loves astrology apps (16:33).   Listen to what matters most, from global politics and business to science and technology—Subscribe to Economist Podcasts+For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account. Hosted on Acast. See acast.com/privacy for more information.