To swill or to smell: How John Snow determined the cause of cholera

Daniel and Kelly answer listener questions about what creates the morning fog, why bats don't get dizzy, and the cauchy horizon.See omnystudio.com/listener for privacy information.

Mostly Human is a weekly podcast that explores technology through the most important lens: the human one. Hosted by award-winning tech journalist Laurie Segall, the immersive interview and investigative show tackles some of the defining questions of our time with headline-making tech titans and the people you don't know yet, but should. Mostly Human will leave you with a sense of agency over fear, and a clearer view of how tech can actually work for you. Listen here and subscribe to Mostly Human with Laurie Segall on the iHeartRadio app or wherever you get your podcasts!See omnystudio.com/listener for privacy information.

Daniel and Kelly talk about what Vibrio cholerae does to your body, and the methods we have to combat it. They also talk about some of the really bad methods we tried using in the past. Like, real bad.See omnystudio.com/listener for privacy information.

Daniel and Kelly dive into the history of medicine, and discuss the data John Snow collected to argue that cholera is transmitted through contaminated water and not foul-smelling air. These data bolstered the emerging germ theory of disease.See omnystudio.com/listener for privacy information.

Daniel and Kelly answer questions about tongue worms, units, and Kelly's nightmares. Link: Standard reference peanut butterSee omnystudio.com/listener for privacy information.

Daniel and Kelly explore the structure of the space between solar systems and reveal our cosmic context.See omnystudio.com/listener for privacy information.

Daniel and Kelly talk about the challenges of hot fusion and the frustrated potential of cold fusion. And Keanu Reeves.See omnystudio.com/listener for privacy information.

Daniel and Kelly answer questions about the expanding universe, how sleep aids impact sleep quality, and what characteristics might make aliens better adapted for interstellar travel.See omnystudio.com/listener for privacy information.

Daniel and Kelly welcome Dr. Scott Solomon back on the show to talk about his new book Becoming Martian: How Living in Space Will Change our Bodies and Minds.See omnystudio.com/listener for privacy information.

Daniel and Kelly discuss Elon Musk's recent announcement that SpaceX has shifted focus from a self-sustaining settlement on Mars to a self-growing city on the Moon.See omnystudio.com/listener for privacy information.