This week we talk to David Gelb, creator of the Netflix series Chef's Table. We get indoor gardening advice from Elizabeth Millard, author of Indoor Kitchen Gardening. Diana Henry shares ideas for cooking chicken, and Tara Whitsitt explains Fermentation on Wheels, her mobile fermentation project. We also revisit a piece about Nikolai Vavilov, a Russian botanist who collected seeds, with author Gary Nabhan.

Broadcast dates for this episode:

• April 24, 2015 (originally aired)
• April 22, 2016 (rebroadcast)