The popular diabetes drug metformin has been used for decades — and scientists just figured out its main mechanism

The popular diabetes drug metformin has been used for decades — and scientists just figured out its main mechanism

There are many theories as to how the diabetes drug metformin lowers blood sugar levels, but now, scientists think they’ve discovered the main route. It turns out that the drug, primarily used in The new study suggests that metformin changes the activity of mitochondria (pictured) inside intestinal cells in a way that ultimately causes them…

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Podcast Transcript August 28th, 2026— Niger restored 5 million hectares without planting a single tree plus nine other things going right

Podcast Transcript August 28th, 2026— Niger restored 5 million hectares without planting a single tree plus nine other things going right

Episode Description: Karissa hosts solo this week while Arielle recovers, covering ten solutions including the world’s first wild bird flu vaccination program for Phillip Island’s little penguins, France making unsolicited telemarketing calls flat-out illegal, and what Baltimore is doing with $400 million in opioid settlement money. If you have questions, comments, feedback, suggestions, or just…

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