This Week in Evolution

TWiEVO 34: You don’t know what you’ve got ‘til it’s PON


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Nels and Vincent discuss how the loss of an enzyme in marine mammals millions of years ago now makes them at risk for neurotoxicity caused by human-made organophosphorous pesticides.

Hosts: Nels Elde and Vincent Racaniello

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  • Ancient lossesof paraoxonase I (Science)
  • Big Yellow Taxi (YouTube)
  • Image credit
  • Letters read on TWiEVO 34

Hey farmer farmer put away the chlor-pyri-fus I don’t care about spots on my apples Leave me the manatee and walruses

Science Picks

Nels - New dinosaur discovered in Utah Vincent -The Song of the Dodo by David Quammen

Music on TWiEVO is performed by Trampled by Turtles

Send your evolution questions and comments to [email protected]

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This Week in EvolutionBy Vincent Racaniello

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