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
Loyal Books
Sprudge Media
pharma
Goethe-Institut
X Factor Roping: Pace Freed
Wes Blankenship
F.A. Davis Company
Jabra Osmani
bisal prasad
Manisha
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