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In Our Time

Misha Glenny and guests discuss the exchange of cultures and biology across the Atlantic and Pacific after Columbus reached the Bahamas in 1492. Europe had no potatoes, tomatoes, sunflowers or, arguably, syphilis in its most virulent form; while the Americas had no cattle, bananas, sugar cane or smallpox. The lists of what was then exchanged are long and their impact ranged from transformation to devastation

Saturday, 16 May 1 airing
12:06
BBC World Service
The Columbian Exchange
Sunday, 17 May 1 airing
03:06
BBC World Service
The Columbian Exchange