This is a neat news story about a study done on rats thinking ability.
I watched a program on Discovery once probably 10 years ago.. the scientists on that one were saying that only humans and chimps are capable of recognizing self in a mirror.
I've lived with dogs all my life I knew that wasn't true!
Now they're finding that rats can think & make decisions based on what they know or don't know.
I thought this was pretty interesting.
Thinking Rats

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PHRatz