Alaska's Salmon Are Shrinking

How much screen time is too much? In this episode of Science Quickly, Scientific American associate editor Allison Parshall explores the growing debate over screen addiction and problematic social media use. From landmark lawsuits against tech companies to the psychology behind e ...  Show more

Longevity research has fueled books, documentaries and billion-dollar industries, but how much of it stands up to scrutiny? In this episode, researcher Saul Justin Newman explains why he believes that the evidence behind Blue Zones, antiaging interventions and some of the biggest ...  Show more

Dan Saladino investigates the possible extinction of wild Atlantic salmon within 20 years. Dan travels from the River Spey on Scotland's east coast to fish farms in the west in order to plot the decline of one species, the wild salmon, and the rise of another, farmed salmon.From ...  Show more

Salmon are one of the world’s most popular fish. And - in terms of the size of the industry - they’re also the world’s most valuable. They provide crucial proteins and fatty acids to many people’s diets. But like other species of fish, their production is undergoing a historic ...

Fish populations are dwindling around the world due to overfishing. Here's how to make the right choices when dining out or buying fish at the market.A previous version of this episode incorrectly said there are native wild salmon in Chile. Salmon are not native to Chile. See pcm ...  Show more

This year, there's no fresh, locally caught salmon. The season was closed. So few adult fish are now in the ocean off the California coast, fisheries managers decided they all were needed to return to their natal streams and spawn. Guest: Danielle Venton, KQED Science Reporter M ...  Show more