Science

How Do Fungi Keep the Planet Healthy?

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Based on the episode description, not a full transcript. Source evidence retrieved 15/10/2026, 10:29:23 UTC.

Briefings

This podcast episode explores how mycorrhizal fungi, lacking brains, engage in strategic resource trading with plant partners. Host Toby Kiers uses game theory and quantum imaging to reveal how these decentralized organisms discriminate between partners and shift resources based on payment. The study highlights that fungi sequester 13 billion tons of carbon annually, forming partnerships with 80% of plant species since 450 million years ago. The research aims to redefine individuality in biological networks.

Key points

• Fungi form partnerships with 80% of all plant species on Earth, a relationship evolving approximately 450 million years ago.
• Fungi sequester 13 billion tons of atmospheric carbon dioxide annually, equivalent to one-third of global fossil-fuel emissions.

Context and limitations

The study relies on observational data from Toby Kiers' lab using fluorescent quantum dots and imaging robots. Specific experimental outcomes regarding real-time decision-making protocols remain unverified, and the long-term ecological impacts of this decentralized strategy are not fully quantified.

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