The Curiosity Desk

A new NOVA documentary explores the science behind those word-buttons and whether dogs – and other animals – truly have the capacity for language. Cognitive researcher Federico Rossano, speech pathologist Christina Hunger, and "talking" dog-owner Sascha Crasnow join Edgar to discuss. 

GBH News' Gal Tziperman-Lotan joins for a radio edition of GBH's daily newsletter and “Four Things to Know” in today's news. 

And, what it takes to run seven marathons in seven days on seven continents. Distance runner Kelly Mclay of Beverly is a long-distance runner who’s done it twice (yes, including Antarctica).