On our tastiest field trip yet, we investigate the delicious world of fermentation and the bacteria that make it possible by visiting Cultured Pickle shop and checking in with "fermentation revivalist" Sandor Katz.
We get inside a tiny box with a huge fire to learn how the Oakland Fire Department deals with extreme heat. Then we talk with expert Max Moritz about how fire is like a living creature, and how its habitat may be changing thanks to global warming.
We head to the ocean investigate Eric's favorite thing: FIIIIIIIIIIIIIIIIISH! To discover why so many of them seem to be disappearing from the world's seas, we talk with Captain Mike Hudson, a commercial salmon fisherman, and Dr. Luiz Rocha at the California Academy of Sciences.
Welcome to the Field Trip Podcast! On this adventure, we send Eric to Mars, or the next best place, which is ... Canada. Plus, hilarious science writer Mary Roach, author of Packing for Mars, stops by to talk about the strange challenges astronauts will face on an interplanetary mission.