Share

Curiosity Weekly
Re-release: Origin of Life, Self Control vs Willpower, Puppy Love
Today, you’ll learn about a bacterial discovery that challenges our understanding of how and when life formed on Earth, the importance difference between self control and willpower, and the truth about whether or not your dog really loves you.
Origin of Life
• “Scientists Just Made a 1.75 Billion-Year-Old Discovery About the Origin of Life.” by Mirjam Guesgen. 2024.
• “The Great Oxygenation Event as a consequence of ecological dynamics modulated by planetary change.” by Jason Olejarz, et al. 2021.
• “Microbes and minerals may have set off Earth’s oxygenation.” by Jennifer Chu. 2022.
Self Control vs Willpower
• “Most people say self-control is the same as willpower. Researchers disagree.” by Sujata Gupta. 2024.
• “Nearly two in five Americans have a New Year’s Resolution planned for 2021.” Ipsos. 2020.
• “New Year’s resolution statistics.” finder. 2021.
• “What’s inside is all that counts? The contours of everyday thinking about self-control.” by Juan Pablo Bermudez, et al. 2023.
Puppy Love
• “Does Your Dog Truly Love You? Science Has the Answer.” by Adam Piore. 2023.
• “Machine learning gives glimpse of how a dog’s brain represents what it sees.” ScienceDaily. 2022.
• “A glimpse into the dog’s mind: A new study reveals how dogs think of their toys.” by Eotvos Lorand University. 2022.
More episodes
View all episodes

Inside the High-Tech Hunt for Dinosaur Bones
29:06|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. Samantha Yammine — for free! Still curious? Get science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. Terms apply.
Medicinal Psychedelics: Hype or Health?
27:06|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 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-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. Terms apply.
Magic Mushrooms Help Trees Gossip
33:18|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 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-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. Terms apply.
Online BS Fools Everyone, Even Experts
24:23|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 Yammine — for free! Still curious? Get science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. Terms apply.
Life Under the Sea, No Singing Crabs
26:38|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 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-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.
Happiness IRL
25:53|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? Get science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.
Tips For Pits: The Science of Body Odor
23:23|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 able to spread so easily way back in the 1300s. 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-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.
History Punished Scientists - Are We Doing the Same Thing?
26:35|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 of IBS. And, just in time for Valentine’s Day, she also explores the history and anthropology of kissing. 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-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.
Does Your Dog Actually Feel Guilt?
30:13|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, 2026 at 2PM ET/11:00AM PT. Watch it after on HBOMax and Discovery+. 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-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.