Why aren’t clonally transmissible rumors ubiquitous? If they occur by nose contact in Tasmanian devils, why not by skin contact in most animals (including humans)? https://en.m.wikipedia.org/wiki/Clonally_transmissible_cancer …
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This is getting kind of tedious. They could have happened. They didn't.
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I want to go meta on this point: * universe: rolls die * die: 5 turns up * people: "but why 5? That seems unlikely!" * me: <sigh>
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This.
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It is not obvious to me that the universe has in fact rolled a five- I suspect there are many more of these that we have yet to discover
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concur "we found it in dogs" - sounds like selection bias. What have we studied more? Man's best friend, or some random beetle from Bolivia?
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given example of clams, suspect it's fairly common given the right circs (no adaptive immune system, easy transmission route) in mammals probably uncommon, though it's something you'll rarely recognize unless you're actually looking for it, so...
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there is an argument to be made that adaptive immunity doesn’t matter from this perspective since species with adaptive immunity don’t have generally lower pathogen burdenhttps://www.researchgate.net/publication/51370139_Hedrick_S_M_The_acquired_immune_system_a_vantage_from_beneath_Immunity_21_607-615 …
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2) Very unlikely to have opportunities for transmission, particularly non-skin cancer, thus no pressure to be transmissible. cf. the surgeon who caught a patient's cancer via an errant scalpel.
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.