Collagen peptides!! Can they make you look younger and be healthier? It feels like everyone wants to be bursting with collagen, and apparently the way to do it is by scooping up that white powder of collagen peptides and guzzling it down. Do that, and — according to the wellfluencers — not only will your skin be as bouncy as a baby's bottom, but you'll also be stronger and you'll heal from injurie

Our brains go completely WILD when we go through our teenage years. It’s a time where it feels like every disagreement with our parents turns into World War III, and every idea that could get us killed sounds like the most fun we could ever have. In this episode, we get into the science of what the brain is doing during the teenage years with clinical psychologist Dr. Lisa Damour. Lisa co-wrote th

Stress! We’re all feeling it. And besides just feeling crappy, we’re also told that stress can wreak havoc on our bodies. The internet has a million solutions: vagus nerve stimulators, deep breaths, or a hot sauna! If that doesn’t work, maybe a cold plunge? But what does the science say about all this — what works to lower our stress? And is it really THAT bad to be stressed out? We dive into the

Could artificial intelligence really wipe out humanity? Claims that AI poses an existential threat are going gangbusters. AI agents from OpenAI recently hacked into another company, Hugging Face, which has people talking about whether AI can go “rogue.” And some current and former AI company employees are raising the alarm. CEOs have called for a slowdown, and one Anthropic employee just quit, say

Bugs are disappearing at alarming rates, scientists are telling us. Bees, butterflies, beetles: all of them have been dropping like flies . And scientists say there are a bunch of reasons to care about this — for example, fewer bugs means less pollination, which means less pasta in your pantry. But recently, some have suggested that all these scientists crying out about the insect apocalypse might

Protein is everywhere — tons of us are trying to cram more of it into our diets, and it's showing up in our lattes, our snack bars, even our popcorn. But just as we’re getting on board with protein-maxxing, a bunch of headlines have started saying the opposite: that eating LESS protein could actually help you live longer. So what's going on here?? Should we be piling on the protein — or pulling ba

Sunscreen is supposed to protect us from dangerous stuff like cancer, but all over social media, people are saying that we’ve been getting it all wrong. We’re being told that our sunscreen is full of toxic chemicals, that wearing it could mess with our vitamin D levels — even that sunscreen itself actually increases our risk of skin cancer. So, what can the science tell us here? Should we toss our

Hank Green is one of the most beloved science creators on the interwebs. He’s been making videos for almost 20 years, spanning LOTS of eras of the Internet, from YouTube prank videos to TikTok dance challenges to AI slop. In this episode, Wendy sits down with Hank to talk about this wild ride. They reminisce about his path to YouTube stardom, and they’ll pull back the curtain on social media algor

Is an electrical substation contributing to injuries on the San Francisco 49ers?? A bunch of people on the internet seem to think so, claiming that electromagnetic field waves could be to blame for players getting hurt. We partner with the Pulitzer Prize-winning journalists at Pablo Torre Finds Out to get to the bottom of it. We talk to Peter Cowan, Dr. Ken Karipidis, and Dr. Zachary Binney. Find

If you have ever tried to lose weight only to find the weight crept back on, you’re not alone. In fact, for tons of people, this happens over and over again. This is called “weight cycling,” and a bunch of influencers are saying that this is terrible for us. They say that it can ruin your metabolism forever and that it can lead to stuff like diabetes and scary muscle loss. So could that be true??

Will you hit play on this episode?? It feels like that decision is totally within your control — but what if it’s not? What if free will is just an illusion? Lots of people are using science to say that free will is a trick of the mind, that whether or not you listen to this episode, or eat a taco, or do a silly dance right now — it’s all predestined. But do we really have science receipts for tha

The internet tells us that narcissists are everywhere — and that the problem is only getting worse. It’s like narcissism is oozing out of our celebrities, politicians, partners, parents, maybe even ourselves?? So today, we’re taking a long look in the mirror to find out: are we all a bunch of narcissists? And what should we do if we think someone in our life is a narcissist? We find out by talking

Raw milk is having a major moment, with fans claiming it’s a gut-healing superfood that can prevent everything from asthma to allergies. But others are like HOLD ON — we pasteurize milk to make it safe! Drinking raw milk can kill you. So, who’s right? Could there be some benefits to guzzling milk straight from the teat? Or is it a terrible idea? We talk to food science Prof. John Lucey and pediatr

Today we’re revisiting caffeine. It’s a drug that tons of us take every day. So, is that a bad thing?? What is it really doing to our bodies and our brains? Plus — if we get it in the form of energy drinks, is that super dangerous? We talk to Dr. Astrid Nehlig, Prof. Gregory Marcus, and Prof. Sachin Shah. [REBROADCAST] Find our transcript here: https://tinyurl.com/ScienceVsCaffeine In this episode

A group of scientists meet a very unusual woman. A key part of her brain isn’t working: the amygdala. This is the part of the brain that we think is responsible for feeling fear. And in fact, this woman does seem pretty fearless. Researchers test her fear response using some very unconventional methods, but she takes everything in stride. Then, finally, they stumble onto the one thing that makes t

Peptides are huge right now. Influencers are telling us they can work wonders for all sorts of stuff. Struggling with an annoying injury that won't heal?? Belly fat that's pissing you off? Low energy? Gut issues?? There’s a peptide out there for you. People are buying peptides off the internet and injecting themselves with them, saying it's life changing. But away from the internet hype, there is

The Trump administration is rolling back restrictions on air pollution in the U.S., and some experts say this could affect the health of millions of people. And what makes air pollution especially dangerous is that we often can’t see it at all. So today, we’re going back to the story of Ella Kissi-Debrah, a little girl who suddenly got sick and landed in the hospital. In this episode, her mom, Ros

Ibogaine. Fans say this psychedelic is a game changer for treating a bunch of mental health conditions — that even a single trip to your friendly ibogaine clinic could cure you of lifelong struggles with addiction. And recently President Trump signed an executive order fast-tracking research into this psychedelic drug. But how well does it really work? And is it safe?? To find out, we talk to clin

A weird virus has popped up on a cruise ship, and it’s making a bunch of us nervous. It’s a type of hantavirus called Andes virus, and scientists think that it’s infected almost a dozen people so far — three of them have died. And now people are getting off the boat, some of them going into government quarantine, but some of them traveling home. And people are like, wait … this all sounds VERY fam

Tons of us are inked — one in three American adults has a tattoo — but lately, we’ve been hearing that tattoos are actually bad for us. We’re told that they mess with our immune system and could even lead to cancer. Can that be true?! Plus, are there any upsides to having a tattoo? We talk to immunologist Dr. Santiago González, epidemiologist Dr. Christel Nielsen, and psychologist Prof. Viren Swam