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Charts & Graphs trade
Long-distance trade routes revealed by archaeology.
A typology of fictional life swaps.
Diplomatic gifts animal, vegetable, and mineral.
Pricey fads, then and now.
Unintended consequences of cultural exchange.
Technology that enables trade.
Transforming the earth to move goods.
Tales of human collateral.
Fair (and not so fair) exchanges in the natural world.
Products that don’t physically exist.
Follow the barter.
