This podcast focuses on the life and work of Gerardus Mercator (1512-1594), who mapped the world in a new way, and the geographic implications of his life and work. 

Mercator

This podcast defines and explains the concept of topophilia--that we as humans are fundamentally attached to place, and why it matters. 

Topophilia: Place Matters!  Photo in Indiana by Joseph Kerski.

This podcast discusses the cartographic and geographic advances of Pei Xiu in China from 224 to 271 AD or CE.

Map on Silk from China.

This episode of the Thinking Spatially podcast discusses the geographic implications of observatories from ancient times to our modern times. 

The geographic implications of observatories.

This podcast focuses on Ferdinand Magellan (1480-1521) and the impact his 1519-1521 voyage had on geography, cartography, exploration, and much more, during its time and down to our present age.

Magellan Geographic Impact:  Photo by Joseph Kerski

This episode of the Thinking Spatially Podcast focuses on the concepts of Proximity and Adjacency: Why they matter, and how to teach them through mathematics, maps, and geography.

Proximity and Adjacency

The podcast Political Boundaries along lines of latitude and longitude explores the geographic implications of the history and development of political boundaries, why they matter, and which political boundaries are rarely but rather interestingly along full degree lines of latitude and longitude.  

The Indiana-Ohio boundary

This episode of the Thinking Spatially podcast examines how the Northwest Ordinance Act in the USA impacted surveying and settling of the land, geographic thought, and geotechnologies. 

Northwest Ordinance:  Photo of section line road in Iowa, by Joseph Kerski.

This episode of the Thinking Spatially podcast explores how the investigation and discovery of the Earth's magnetic field influenced geography and our everyday lives.

The Earths Magnetic Field:  Section of USGS topographic map.

This episode of the Thinking Spatially podcast focuses on the controversial figure of Columbus and how his exploration and voyages permanently Altered Global Relationships to the present day.

Columbus