How does San Francisco’s 600 tons of compostable waste become a nutrient-rich material that improves the quality of our local wines? Agronomist Bob Shaffer, Northern California's "compost guy," takes QUEST into the composting process.

Dark Matter- Inside the Compost Cycle: Science on the SPOT

The Science on the SPOT original web video series from KQED Science goes behind the scenes at local Bay Area labs, follows breaking discoveries, and gets you special access to obscure science locations & collections, plus much more.

Natural Sciences

The Science on the SPOT original web video series from KQED Science goes behind the scenes at local Bay Area labs, follows breaking discoveries, and gets you special access to obscure science locations &amp; collections, plus much more.

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Dark Matter- Inside the Compost Cycle: Science on the SPOT

Dark Matter- Inside the Compost Cycle: Science on the SPOT