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Welcome to Tech News Briefing. It's Tuesday November 28th. I'm Julie Chang for the Wall Street Journal. Improving the speed in which patients get their medical test results has got researchers

looking to an unlikely place, the veterinarian's office.

Scientists are taking animal data, building artificial intelligence tools, and then using those tools to train diagnostic algorithms for humans.

Our Pharmaceuticals reporter, Jared Hopkins, will join us later in the show to break down how this works.

But first, a Wall Street Journal investigation has found that Instagram's algorithm for its Reels feature

shows risky footage of kids and overtly sexual adult videos

to users who might have a lewd interest in children.

Instagram's Reels page is an endless stream of short videos designed to show users content on topics that interest them.

In its investigation, the journal set up test accounts that followed young gymnasts, cheerleaders, and other young influencers on the platform.

It also then followed some accounts that followed these children.

Instagram system then served salacious content to those test accounts, including some videos

sexualizing children alongside ads for some of the biggest US brands.

Our reporter Jeff Horwitz has more on how those companies have been responding.

So some of the advertisers just simply said no comment and they don't want to talk about it much.

However, a lot of them responded with, I would say, some degree of horror that this is where

their ad money is being spent. In particular, dating app companies that are trying to recruit potential members of the dating pool.

...