From Animal Planet comes a new podcast, Dogs 101, where you'll get a rundown of all your favorite dog breeds. Check out the first episode, "Puppies" here.

Is there a biological reason why humans are drawn to puppies? How long does a canine pregnancy last, and what's the average litter size? When are puppies able to first see and hear? Find out the answers on this episode of Dogs 101 where we'll guide you step-by-step through everything you need to know about puppies.

Listen wherever you get your podcasts.

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