Babbage: Mapping Africa

Just 2% of the world’s human-genome catalogue represents people of African origin. A massive sequencing project aims to uncover untold genetic diversity and overlooked disease risks. Also, a new study shows intense exercise is a risk factor for ALS, the most common form of motor-neuron disease. And, the return of cicadas in America bodes ill for children’s well-being. Kenneth Cukier hosts For full access to The Economist’s print, digital and audio editions subscribe at economist.com/podcastoffer and sign up for our new weekly science newsletter at economist.com/simplyscience. Hosted on Acast. See acast.com/privacy for more information.