Sean Rameswaram

I'm going to make him an offer.

I'm going to make him an offer.

I'm going to make him an offer.

Do you trust Chet? No, but I do trust Colin. I trust Colin. I trust Colin. You always want to work with good people, and obviously I think my dad's good people.

Do you trust Chet? No, but I do trust Colin. I trust Colin. I trust Colin. You always want to work with good people, and obviously I think my dad's good people.

Do you trust Chet? No, but I do trust Colin. I trust Colin. I trust Colin. You always want to work with good people, and obviously I think my dad's good people.

It's a big week for baby KJ. After spending nearly his entire first year of life in the Children's Hospital of Philadelphia, he is going home. Baby KJ is not like your average baby. He was diagnosed with a rare genetic disease shortly after birth, something that roughly one in a million babies have. But baby KJ got a genetic treatment for it that no baby has ever had. And it worked.

It's a big week for baby KJ. After spending nearly his entire first year of life in the Children's Hospital of Philadelphia, he is going home. Baby KJ is not like your average baby. He was diagnosed with a rare genetic disease shortly after birth, something that roughly one in a million babies have. But baby KJ got a genetic treatment for it that no baby has ever had. And it worked.

It's a big week for baby KJ. After spending nearly his entire first year of life in the Children's Hospital of Philadelphia, he is going home. Baby KJ is not like your average baby. He was diagnosed with a rare genetic disease shortly after birth, something that roughly one in a million babies have. But baby KJ got a genetic treatment for it that no baby has ever had. And it worked.

The miracle of baby KJ coming up on Today Explained.

The miracle of baby KJ coming up on Today Explained.

The miracle of baby KJ coming up on Today Explained.

This is Today Explained. Jason Mast writes about science, medicine, and biotech over at Stat News. Lately, he's been writing about baby KJ. Who is adorable. We asked him to tell us about the baby.

This is Today Explained. Jason Mast writes about science, medicine, and biotech over at Stat News. Lately, he's been writing about baby KJ. Who is adorable. We asked him to tell us about the baby.

This is Today Explained. Jason Mast writes about science, medicine, and biotech over at Stat News. Lately, he's been writing about baby KJ. Who is adorable. We asked him to tell us about the baby.

Because this is like this is like a first time deal. This is like an experiment.

Because this is like this is like a first time deal. This is like an experiment.

Because this is like this is like a first time deal. This is like an experiment.

And for people who are wondering how you edit a living baby's DNA exactly, or a monkey or a mouse, how do you do it?

And for people who are wondering how you edit a living baby's DNA exactly, or a monkey or a mouse, how do you do it?