300. Why Don’t We All Speak the Same Language? (Earth 2.0 Series)
300. Why Don’t We All Speak the Same Language? (Earth 2.0 Series)  
Podcast: Freakonomics Radio
Published On: Thu Sep 14 2017
Description: There are 7,000 languages spoken on Earth. What are the costs — and benefits — of our modern-day Tower of Babel?