What are truffles, and why are they so expensive?
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Carolyn Beans |
TED-Ed
• September 2025
Truffles are one of the world’s most expensive foods— in part because global demand often outstrips supply. And truffles are becoming even more rare and more expensive as deforestation and climate change shrink their suitable terrain. But why are these fungi so rare? And why don’t we just farm more of them? Carolyn Beans digs into the truffle’s unique and somewhat mysterious biology. [Directed by Denys Spolitak, narrated by Adrian Dannatt, music by Cem Misirlioglu, Brooks Ball[.