Curiosity Weekly

Curiosity Weekly

byDiscovery

Science

Welcome to Curiosity Weekly from Discovery, hosted by Dr. Samantha Yammine. Once a week, we’ll bring you the latest and greatest in scientific discoveries and break down the details so that you don’t need a PhD to understand it. From neuroscience to climate tech to AI and genetics, no subject is off-limits. Join Sam as she interviews expert guests and investigates the research guiding some of the most exciting scientific breakthroughs affecting our world today.   Hosted on Acast. See acast.com/privacy for more information.

Episodes(40 episodes)

Why Are People Getting Poop Transplants?
It might sound like a wacky treatment, but recently, the fecal microbiota transplant has emerged as an effective way to help reshape our gut microbiomes. There are a lot of ideas on how to use this emerging therapy, so to help us sort through the misinformation, we are joined by author and general surgeon, Dr. James Kinross. Before that, Sam digs into a bizarre question: why do humans have chins? And later, a new study reveals how heroic beavers are when it comes to combatting climate change.   Link to Show Notes HERE  Follow...
Published: May 13, 2026Duration: 29m 47s
How Violent Video Games Shape Perception
The debate about video games and mental health has been happening for decades and sometimes it can be hard to cut through the noise. This episode, host Dr. Samantha Yammine is joined by Dr. Craig Anderson, an expert on media and aggression, to understand what science says happens when kids play violent video games. Before that, Sam will dig into how something called the Grandmother Hypothesis separates us from our primate cousins and later, she’ll look at new research on how snakes store their stolen toxins.   Link to Show Notes HERE  Follow Cu...
Published: May 6, 2026Duration: 26m 35s
AI in Healthcare Isn’t What You Think
Artificial Intelligence has seemingly taken over every industry and headline in the past year, making it hard to keep up with advances in the technology. And things are evolving quickly, particularly in medicine. Here to help us understand where AI can help and hinder processes in the medical industry is Dr. Nina Kottler, a radiologist and AI expert. Before that, we explore a new study detailing some surprising findings in koala population genetics and later, Sam looks into research on how other people’s opinions shape our own experiences.  Link to Show Notes HERE  Fol...
Published: Apr 29, 2026Duration: 28m 40s
How Much Socializing Do You Really Need?
Recent studies based on raccoons ability to solve puzzles taught researchers a lot about a raccoon’s desire to learn their environment. Dr. Samantha Yammine speaks to Dr. Ben Rein about his new book, “Why Brains Need Friends,” and learns all about the neurological benefits of friendship and the power of socializing. And finally, adorable microscopic organisms called tardigrades might be showing us the way to slow DNA damage.  Link to Show Notes HERE  Follow Curiosity Weekly on your favorite podcast app to get smarter with Dr. Samantha Yammine — for free! Still curious? Get...
Published: Apr 22, 2026Duration: 30m 55s
Ending Animal Testing: Realistic or Not?
Scientific testing on animals has existed for hundreds of years and is considered a controversial element of how modern research is done. To discuss the past, present, and future of animal testing, host Dr. Samantha Yammine is joined by veterinarian and bioethicist Dr. Lisa Moses. Sam also looks at a new study exploring an alternative treatment to sleep apnea and one that looks into how people living at high altitudes can provide inspiration for diabetes medication.   Link to Show Notes HERE  Follow Curiosity Weekly on your favorite podcast app to get smarter...
Published: Apr 15, 2026Duration: 22m 37s
The Analog Movement
As reliance on digital technology increases, there are plenty of people who are rejecting their screens and moving back to physical devices and experiences. The analog movement isn’t just a social media trend, there’s real science backing the potential psychological benefits of being offline. Here to discuss how our digital habits affect us is Dr. Natalia Khodayari, a postdoctoral scholar at UC Davis. Host Dr. Samantha Yammine also looks into a new study that solved the mystery of how horses whinny and a paper on the effects of dim lighting on our eyes.   Link to Show No...
Published: Apr 8, 2026Duration: 22m 13s
Inside the High-Tech Hunt for Dinosaur Bones
 These days, discovering a new species of dinosaur looks a lot different than it does in the movies. Technology enables paleontologists to search for dino bones with care and precision. Here to discuss his recent discovery of the Spinosaurus mirabilis is Dr. Paul Sereno. Host, Dr. Samantha Yammine also looks into Humanity’s Last Exam which is a test designed for AI to fail and a study that shows how repeated exercise rewires our brains.   Link to Show Notes HERE  Follow Curiosity Weekly on your favorite podcast app to get smarter with Dr. Sama...
Published: Apr 1, 2026Duration: 29m 6s
Medicinal Psychedelics: Hype or Health?
The brain is a complex and adaptable organ; one that can be transformed by a multitude of external factors. This episode, Dr. Samantha Yammine investigates the ways the brain can be altered from the outside in. First, she looks into new research on the brain’s response to consistent meditation practice. Then, she sits down with Dr. Ishrat Husain to discuss the efficacy of psychedelics in medical settings on mental health. And lastly, she digs into how modern football helmets utilize science and engineering to better protect the brain from concussions.   Link to Show Notes HERE <p...
Published: Mar 25, 2026Duration: 27m 6s
Magic Mushrooms Help Trees Gossip
The trees are talking about us… but not the way you think. Almost thirty years ago, Dr. Suzanne Simard discovered a vast network of fungal threads beneath the forest floor that functions as a complex communication network. This episode, Dr. Simard joins Dr. Samantha Yammine to discuss how trees connect with one another and how that discovery changed the way we think about forest ecosystems. Sam also looks into an Austrian cow who’s learned how to use tools and a new study that claims to be able to regrow cartilage.   Link to Show Notes HERE ...
Published: Mar 18, 2026Duration: 33m 18s
Online BS Fools Everyone, Even Experts
It’s hard to imagine just how much misinformation lives online and it turns out that people are only able to identify it a fraction of the time. To speak more on developing the essential skill of recognizing misinformation online, Dr. Samantha Yammine is joined by Professor Timothy Caulfield. Sam also investigates a new study on motivation that might help us all tackle tasks we’ve been avoiding and explains how artificial snow is made.   Link to Show Notes HERE  Follow Curiosity Weekly on your favorite podcast app to get smarter with Dr. Samantha Y...
Published: Mar 11, 2026Duration: 24m 23s
Life Under the Sea, No Singing Crabs
They say it’s better down where it’s wetter… but is it really? Aquanauts have more in common with astronauts than they do with singing marine life. In fact, NASA conducts research into the biological and psychological effects of space on the ocean floor. This episode, Sam is joined by Dr. Dawn Kernagis, an aquanaut and neuroscientist who spent 16 days living underwater for NASA’s NEEMO 21 Mission. Sam also digs into the recent updates on NASA’s Artemis Mission and how AI is being used to standardize pain classification.   Link to Show Notes HERE  Follow C...
Published: Mar 4, 2026Duration: 26m 38s
Happiness IRL
If everyone wants happiness, why does it so often seem hard to achieve? This episode, host Dr. Samantha Yammine is joined by psychologist Dr. Sonja Lyubomirsky to talk about positive psychology and what science tells us about how to be happy. Sam also explores a new study that says swearing can give you a physical boost and, to celebrate the Olympics, she digs into the physics behind curling.   Link to Show Notes HERE  Follow Curiosity Weekly on your favorite podcast app to get smarter with Dr. Samantha Yammine — for free! Still curious? Ge...
Published: Feb 25, 2026Duration: 25m 53s
Tips For Pits: The Science of Body Odor
It’s not a stretch to say that everyone suffers from unwanted body odor from time to time. Whether it’s stress, exercise, or heat, there are plenty of reasons why we sweat and there is a lot to learn about our bodies from the odors they create. To learn more about the science of body odor, Dr. Samantha Yammine is joined by Dr. Chris Callewaert, aka Dr. Armpit. Before that, Sam also digs into a new skin patch that might help out our friends with peanut allergies. Then, she explores a new theory into how the Black Death pandemic was...
Published: Feb 18, 2026Duration: 23m 23s
History Punished Scientists - Are We Doing the Same Thing?
It’s easy to think that every major scientific breakthrough in history was met with acceptance and enthusiastic fanfare, but that is not the case. Many modern scientific truths were discovered by researchers who were punished for their ideas at the time. To discuss this topic, Dr. Samantha Yammine is joined by Matt Kaplan, author of the book I Told You So: Scientists Who Are Ridiculed, Exiled, and Imprisoned For Being Right.   Then, Sam takes a look into a new study that may have cracked the code on why women are more likely to experience symptoms o...
Published: Feb 11, 2026Duration: 26m 35s
Does Your Dog Actually Feel Guilt?
Exploring the science behind pet ownership is a more complicated process than you might think. This episode, Dr. Samantha Yammine is joined by the author of The Science of Pets, Jay Ingram. They talk about the relationship between animals and humans and how we may not always see eye to eye when it comes to interpreting certain behaviors. Sam also looks into the history of species variation in dogs and how human emotions make it difficult to decipher dog emotions.   Puppy Bowl XXII simulcasts across Animal Planet, Discovery, TBS, TruTV, HBOMax, and Discovery on Sunday, February 8...
Published: Feb 4, 2026Duration: 30m 13s
Urban Ecosystems With The Rat Detective
We know that the health of the planet affects human health but what about the other way around? This episode, Dr. Samantha Yammine is joined by Dr. Kaylee Byers to discuss how human and animal health is interconnected, particularly in urban environments. Sam also investigates new research that looks into the largest spider colony in the world and the biology of addiction.   Link to Show Notes HERE  Follow Curiosity Weekly on your favorite podcast app to get smarter with Dr. Samantha Yammine — for free! Still curious? Get science shows, nature documentaries, and more real...
Published: Jan 28, 2026Duration: 23m 31s
The Biggest Animal Sanctuary in the World with Forrest Galante
There are always constraints when it comes to conservation. Finances, logistics, population dynamics, medicine, and general care all need to be considered when asking: how do we best care for our planet? This episode, Dr. Samantha Yammine is joined by Forrest Galante, a wildlife conservationist and biologist to discuss his new series Vantara: Sanctuary Stories, now streaming on HBOMax and Discovery+. Sam and Forrest talk about the peaks and valleys of modern conservation and how the animal sanctuary Vantara is unique in the way it cares for the hundreds of thousands of animals that live there. Sam also explores a ne...
Published: Jan 21, 2026Duration: 26m 58s
The End of the Universe
To understand how our universe might end, scientists often have to go back to the beginning. This episode of Curiosity Weekly, Dr. Samantha Yammine is joined by astrophysicist Dr. Katie Mack to discuss theoretical cosmology, astrophysics, and what scientists are thinking might happen to our universe in the distant future. Sam also explores a newly discovered fire amoeba and a recent study exploring how exercise slows cancer growth.   Link to Show Notes HERE  Follow Curiosity Weekly on your favorite podcast app to get smarter with Dr. Samantha Yammine — for free! Still curious? Get s...
Published: Jan 14, 2026Duration: 22m 33s
Why Scientists Can’t Agree on Aging
It’s a new year which means many of us are focusing on resolutions designed to take better care of our bodies as we age. But, even those conducting research on healthy aging find it a complicated concept to define. To help navigate the topic, Dr. Samantha Yammine is joined by Dr. Paul Robbins, a professor and co-director of the Masonic Institute on the Biology of Aging and Metabolism at the University of Minnesota. Then, Sam investigates what researchers learned from studying the biology and lifestyle of a woman who lived to the age of 117 and how manipulating the mitoch...
Published: Jan 7, 2026Duration: 27m 36s
Why Society Treats Allergies Like a Nothingburger
Allergies are estimated to affect upwards of 30% of people globally, so why are they so often swept under the rug? People in restaurants lie about their allergies, food labelling is difficult to understand, and those with the allergies are often forced to be their own advocate to avoid a potentially life-threatening medical situation. On this episode, senior producer Teresa Carey interviews allergist Dr. Samira Jeimy to discuss the day-to-day realities of allergies, new potential medications, and why better societal support is needed for those with severe allergies. Host Dr. Samantha Yammine also explores how multilingualism can slow brain aging and...
Published: Dec 17, 2025Duration: 33m 39s