In Defense of Cheats
Carl Zimmer plays defense lawyer, trying to exonerate parasites for their wrongs, while Jad and Robert argue in defense of the victims. Our producer Lulu Miller comes in to moderate a lightning round of: "Parasites: are they evil, or are they awesome?" The parasites in question are the zombie wasp, the nematode, and the lovey-dovey blood fluke.
A parasitic wasp and its cockroach prey
Ant after parasitic nematode infection
The blood fluke
Parasite Rex, by Carl Zimmer
Photo: flickr/teejaybee
Sculptors of Monumental Narrative
Dickson Despommier tells us the story of how the insatiable millionaire John D. Rockefeller turned an eye to the untapped market of the American South and ended up eradicating the hookworm (and, in the process, a number of other awful afflictions) with an ingenious contraption. Then Patrick Walters introduces us to Jasper Lawrence, a modern-day entrepreneur whose passion for hookworms stems from lifelong battles with allergies and asthma. But unlike Rockefeller, Jasper sees this parasite as friend, not foe.
Photo: flickr/grumpies
A bit of background on Mr. Rockefeller
1920 educational silent film about hookworm
The Scratch
When executive producer Ellen Horne was expecting a baby, she really had no particular intention of becoming a self-made expert on a parasite named Toxoplasma Gondii. Robert Sapolsky explains to us why Ellen had reason to worry when she was scratched by her cat, and he traces the unlikely path that the parasite might follow, right up to the point that it rewires a rat's brain. Fuller Torrey detailsToxoplasma's potential associations with other human disorders, possibly even schizophrenia.
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