10/3 Podcast: Scientists look to create human-monkey chimeras. Should we be worried?

A small sad monkey in a cage. ViktoriiaNovokhatska / Getty Images/iStockphoto

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Is humanity closer to unleashing the horror of the Planet of the Apes?

That remains a nightmare scenario for the distant future, but genetic editing potentially takes us a small step closer.

We look at how scientists are adding human stem cells to the brains of monkeys, why they’re actually doing this, and what potential ethical issues there are.