Crime lab analyst Mary Jane Burton was hailed as a hero for saving evidence that resulted in DNA

exonerations for 13 men. But what I uncovered when I took a closer look was a very different story.

There was a cover-up. It's evidence too. Ring frankly. All episodes of admissible,

shreds of evidence are available now. Listen on the iHeart Radio app Apple podcasts or wherever

you get your podcasts. We see the urgent threat of climate change every day.

Tornado's in Texas, drought in Europe, typhoons in the Philippines. But what don't we see?

How the climate crisis hits vulnerable people the hardest, women and girls. That's why care

helps the world's most marginalized people build resiliency and fight for a more just

and sustainable world. You can help. Learn more at care.org slash climate.

Hey y'all, it's Janice Torres. And Austin Hankwitz. We're the host of Mind the Business,

Small Business Success Stories, a new podcast presented by iHeart Radio and Intuit Quickbooks.

In this series, we'll speak to founders and creators about the business models that turn

their ideas into success. From starting a business with no money, yes, it can be done to using

social media like an expert marketer. We've got you covered. Listen to Mind the Business,

Small Business Success Stories every other Thursday on the iHeart Radio app, Apple Podcast,

over wherever you get your podcasts. Welcome to invention, a production of iHeart Radio.

Hey everybody, welcome to invention. My name is Robert Lam. And I'm Joe McCormick and we're back

to discuss more optical recording technology. Last time we talked about the camera obscura, right?

Yeah, a necessary precursor to true photographic technology.

Yeah, so from the writings of mastermo in ancient China to the experiments of Roger Bacon and

Leonardo da Vinci, the camera obscura has been this fascinating way that people discovered

to take an image of the ever changing 3D world outside and project it onto a 2D surface inside a

...