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This is CBS I In The World. I'm John Bachelor.

I'm speaking with Jessica Pierce and Mark Beckoff.

Their new book is A Dog's World, Imagining the Lives of Dogs in a World Without Humans.

Without humans, that's important here.

There's going to be a transition and then soon there will be dogs around the planet

without humans feeding them or bothering them or abusing them or expecting them to look a certain way.

They'll have longer snouts likely, they'll run likely, they'll be a medium weight,

unless there's a necessity for heavy weights, they'll move in packs.

But reproduction.

Jessica, I come to you because one of the striking details about dogs today is

the paternal member, the parent father, does not, is not encouraged to stick around or doesn't stick around.

And you and Markers are speculating, imagining that there would likely be a change when dogs are

alone. So it wouldn't just be the maternal, it would be the paternal as well. Did I read that

correctly, Jessica?

You did. The way dogs, particularly pet dogs or dogs who are highly controlled by humans,

...