Science
Dogs will never speak human. Here’s why. – Livescience.com
Dogs’ brains cannot distinguish words that differ by a single speech sound, such as “sit” versus “set.”

You probably think your dog is the smartest (and cutest!) when they learn to sit or give a paw. But most dogs can pick up only a limited number of words in their lives, and a new study may help explain why.
The study found that dogs’ brains cannot distinguish words that differ by a single speech sound, such as “dig” versus “dog,” or “sit” versus “set.” This makes dogs similar to human infants
, who also can’t distinguish between words with similar sounds. But around age 14 to 20 months, babies typically…
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