@neiltyson is there a dog breed that can no longer have viable offspring with another breed--an example of true speciation?
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@max10ties Not sure. But I'd bet if you fertilized a female Pomeranian w/ Mastiff sperm, the pregnancy would either abort or kill the mother
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@neiltyson Did you know there used to be a breed of dog that turned wheels in kitchens - now essentially extinct.http://www.npr.org/blogs/thesalt/2014/05/13/311127237/turnspit-dogs-the-rise-and-fall-of-the-vernepator-cur … - 1 more reply
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@neiltyson But dogs are our greatest failure too. We've ruined them, health-wise. Bulldog is prime example. - 1 more reply
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@neiltyson Saw this portrait of you last night at@CambridgeBrewer in Cambridge, MA. I think it's pretty great.pic.twitter.com/3LUwS05uPS
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@SarahAndBoston@neiltyson We agree! Stop by and see it for yourself when in Boston next month. Beers are on me, Neil!
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Selective breeding isn't evolution? “
@neiltyson: greatest examples of human control over Evolution are found in Agriculture and TheDogShow” - 2 more replies
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@neiltyson yeah so artificial selection is not *evolution*, also evolution is not a proper noun -
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@ohhihelloluis
@neiltyson mechanisms. not the theory.
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@neiltyson don't forget the turkey. Now reduced to a walking ball of meat.Thanks. Twitter will use this to make your timeline better. UndoUndo
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