The TWiV team reveal the origin of the poxvirus membrane, and how a retrovirus drove the development of the placenta of a lizard.
Hosts: Vincent Racaniello, Dickson Despommier, Alan Dove, Rich Condit, and Kathy Spindler
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Kathy - Google doodles Discoverer of photosynthesis Robert Koch
Dickson - Nature Photography Winners
Rich - The Raging Idiots Planet Song
Alan - Zooborns
Vincent - Glass Insects and Plants by Yuki Tsunoda
Scott - Sagan Series
Paul - SMBC Comics
Trudy - If Scientists Wrote Christmas Songs
Intro music is by Ronald Jenkees.
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