Episode Details

Why did T. Rex have such tiny arms? That’s what our listener Nora wants to know. We’re going to find out why the biggest, most powerful predator to ever walk the Earth did it with a teeny tiny set of arms.

Scientists have been coming up with answers for this question for decades — but science is never settled. Paleontologist Elizabeth Steell has walked into the debate with a stunning theory involving giant heads, evolutionary tradeoffs, and some serious math. Will it convince you? Listen and find out! 

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