When did smartness begin? We’ll find out how a neuroscientist blends up brains, and cracks the case of the Tyrannosaurus Rex smarts! Suzana Herculano-Houzel helps us answer listener Penny’s question by explaining how “smartness” might not mean what you think - and how all animals have shown off their intelligence over time.

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Learn more about Suzana and her work on the evolution of intelligence the blog on our website, www.sciencepodcastforkids.com.

We apologize that the cover art of the episode is not a scientifically accurate portrayal of a T.Rex! We know that they likely did not wear graduation caps.