This is an IHeart podcast.

When news broke earlier this year that baby KJ, a newborn in Philadelphia,

had successfully received the world's first personalized gene editing treatment,

it represented a milestone for both researchers and patients.

But there's a gripping tale of discovery behind this accomplishment and its creators.

I'm Evan Ratliff, and together with biographer Walter Isaacson,

we're delving into the story of Nobel Prize winner Jennifer Dowdna,

the woman who's helped change the trajectory of humanity.

Listen to Aunt CRISPR, the story of Jennifer Dowdna with Walter Isaacson

on the IHeart Radio app, Apple Podcasts, or wherever you get your podcasts.

Welcome to Stuff to Blow Your Mind, a production of IHeart Radio.

Hey, welcome to Stuff to Blow Your Mind. My name is Robert Lamb.

And I am Joe McCormick. And finally, that first October chill is in the air.

Rob, I don't know if you can see on the chat here.

I am wearing a long-sleeve shirt today.

It's very exciting at our house.

We love the month of October, of course.

And my daughter especially is just thrilled that it's actually October. I don't know if we've

talked about this yet, but she is obsessed with Halloween decorations. So she like, you know,

the biggest thing she wants to do right now is go out and see which houses in our neighborhood

have already put Selkins out, skeletons and vampires and all that and and there's this wonderful like

attraction repulsion to certain Halloween decorations like there's a scary vampire that she wants to

...