Babbage: Lighter than air

The aviation industry is under pressure to curb carbon-dioxide emissions—hydrogen fuel could offer a greener way to fly. Also, host Kenneth Cukier unravels the inner workings of the human mind with psychologist Howard Gardner and neuroscientist David Eagleman. If there are multiple intelligences, what happens when they work together? And, how technology can tap into the abilities of the ever-changing brain.Please subscribe to The Economist for full access to print, digital and audio editions:www.economist.com/podcastoffer Hosted on Acast. See acast.com/privacy for more information.