Babbage: Polio returns

Why has polio made a comeback in Venezuela and how does it spread? Tien Tzuo, founder of Zuora, says there will be no need to own anything in the future — you will subscribe to everything.  And research into how marine mammals respond to predators shows there is safety in numbers. Tom Standage hosts. Hosted on Acast. See acast.com/privacy for more information.

Om Podcasten

Babbage is our weekly podcast on science and technology, named after Charles Babbage—a 19th-century polymath and grandfather of computing. Host Alok Jha talks to our correspondents about the innovations, discoveries and gadgetry shaping the world. Published every Wednesday.If you’re already a subscriber to The Economist, you’ll have full access to all our shows as part of your subscription.For more information about Economist Podcasts+, including how to get access, please visit our FAQs page here https://myaccount.economist.com/s/article/What-is-Economist-Podcasts