The World’s Most Top-to-Bottom Explorer

Stitcher & Bill Nye

29 April 2021

From the depths of the ocean to the voids of outer space, maps matter. That's the motto of Kathryn Sullivan — astronaut, oceanographer, and former head of the National Oceanic and Atmospheric Administration. Jack Dangermond, founder of the mapping software company Esri, joins her to explain the science of “where.”