John Green reviews Halley's Comet, a celestial body visible from Earth once in a lifetime, and cholera, an infection caused by bacteria and people. Thanks to audible for sponsoring today's episode: http://audible.com/anthro
Český rozhlas
ABC listen
Armchair Productions
J. Brown Yoga
Meredith Fineman
Alyson Walsh
A Play On Nerds
Rachel Rodgers
Travis Sherry
Dave Sussman
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