TWiEVO 82: A genetic hack for the human brain
This Week in Evolution
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The Virus That Lives in the Jaws of Zebrafish
Scientists discovered a new virus that lives in the jaws of zebrafish. They think it might have something to do with transmission. So if these fish are nipping at each other and displays of hierarchy, or you like mating those kind of behaviors, that the virus might hitchhiker ride from jaw to scales as our working hypothesis. That's one of the things that's cooking in the background there.
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