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This is a science podcast for May 14th, 2026.

I'm Sarah Crespi.

First this week, producer, Megan Cantwell, produced a segment with contributing correspondent

Kai Kupershmet and digital forensics expert, Hanny Farid,

about the escalating fake image arms race and how AI is contributing.

After that, researcher Tetsuhiro Harimoto talks with me about delivering drugs to the body

by implanting encapsulated engineered bacteria that can sense and respond to infection.

Image manipulation is nothing new, but generative AI has completely changed how easy and convincing it is to create fake images and video.

Our contributing correspondent Kai Kupershmidt met with one of the founders of the field of digital forensics,

Hanifurid, to understand how he's keeping up with one of the biggest challenges of his career.

I think we're living through a moment in time where something that we've always just kind of

taken for granted is eroding.

And that's been Hanifari's big fear from 20 years ago, that we will live in a world where

there is so much imagery where you can't say anymore, whether

it's real or not, without really delving deep into them. It used to be Hollywood studio, state

sponsored actors. We worried about the North Korean News Agency, the Iranian News Agency,

...