Peptides are everywhere right now—from weight-loss drugs to TikTok wellness hacks—but the science hasn’t caught up with the hype. Journalist Victoria Song joins Science Quickly host Rachel Feltman to break down what peptides actually are, why influencers are promoting “research-only” versions you can buy and inject yourself, and what risks are posed by this growing gray-market trend. From misleading marketing to real safety concerns, we unpack the Internet’s latest wellness obsession. Check out

There’s a lot going on in the world of science. We have a quick digest of the news you need to know this week. This star may seem blurry, but this cosmic close up has astronomers excited. Recalls of tortilla strips and baby carrots add to headlines about unsafe foods—but the FDA says this is a fairly standard year for recalls. Raw milk sold in California was found to contain bird flu—but remember that raw milk always contains possible pathogens. For more science news listen to Science Quickly at

Your brain creates your reality. This neuroscientist explains how | Science Quickly Podcast