Something You Should Know

A yawn spreads quickly. You see someone yawn, you think about yawning, or you even read the word “yawn”—and suddenly you’re doing it too. This episode begins by looking at why yawning is so contagious, what theories actually hold up, and what science still can’t explain. https://www.livescience.com/human-behavior/why-is-yawning-contagious

A Christmas tree seems like such a natural part of the holiday season, but the tradition behind it is rich, surprising, and deeply woven into American history. Why an evergreen? Where did the practice originate? How do they select the giant tree for Rockef...

Who doesn’t love the smell of a fresh Christmas tree? That unmistakable pine scent isn’t just nostalgic — it may actually have measurable benefits. We start this episode with a look at why the aroma of pine can lift your mood, help you relax, and enhance your holiday season. Source: https://www.foxnews.com/health/the-healing-power-of-pine

Audiences are remarkable. Whether it’s a play, a movie, or a concert, something special happens when people gather — a shared energy that shapes how we feel and how performers respond. But how did audiences become “a thing”? Why do we applaud? An...

When you’re asked to “sign in blue or black ink,” is that actually the law — or just an outdated rule we all obey? We begin with the surprising truth about which ink colors really matter when you’re signing checks, contracts, or legal documents. Source: https://www.investopedia.com/articles/personal-finance/061314/dont-sign-legal-pitfalls-signatures.asp

Why are humans endlessly fascinated by aliens? For thousands of years, every culture has looked to the sky and wondered who—or what—might be out there. Today, that fascination fuels movies, conspiracy theories, and serious scientific searches for extraterrestrial life. Science journalist Becky Ferreira...

There was a time when the office Christmas party was the highlight of the corporate year — big budgets, elaborate celebrations, and stories that still get whispered decades later. But how did this tradition start? Who decided employers should host a holiday bash in the first place? This special holiday bonus episode looks at the surprising origins of the office Christmas party and why it evolved into the event it is today - usually a bit tamer and more subdued. That's what we explore as we kick off this special holiday bonus episode. https://www.ncnewsonline.com/archives/workplace-the-wild-history-of-holiday-office-parties/article_4895ce...

Ever wonder why some people seem naturally gifted at music? It turns out your personality may have more to do with musical ability than you think. This episode begins with research identifying which personality traits actually predict innate musical potential — and which ones don’t. https://www.sciencedaily.com/releases/2015/10/151013135831.htm

Are we too worried about getting scammed? Most of us would rather lose money through an honest mistake than fall victim to a con — and that hyper-vigilance affects far more of our decision-making than we realize. My guest, Tess Wilkinson-Ryan, a University of Pennsylvania law professor and ps...

Does your place in the family — firstborn, middle child, or youngest — really shape who you are? Birth-order theory has been debated for decades. This episode begins by exploring what science actually says about how sibling order affects personality, achievement, and relationships. https://psychcentral.com/blog/birth-order-and-personality#birth-order-and-personality

Around the holiday season, many of us feel a wave of nostalgia — longing for people, places, and moments from the past. Once thought of as a sign of weakness, nostalgia is now proven to be a powerful source of emotional strength and meaning. Psychologist Clay Routledge, PhD, explains how revisiting fond m...

When you’re congested with a cold or flu, getting a good night’s sleep can feel impossible. This episode begins with smart, science-backed ways to clear your sinuses so you can breathe easier and finally get some much needed rest. https://www.webmd.com/cold-and-flu/sleep-better-cold-flu

Few emotions are as powerful — or as good for you — as awe. That feeling of wonder you get when gazing at the stars, hearing incredible music, or standing in front of something vast and beautiful can actually improve your physical and mental health. My guest Dacher Keltner, professor of psychology at UC Be...

Ever wonder what was actually served at the very first Thanksgiving? Much of what we learned in school doesn’t hold up. In this special bonus holiday episode, we unpack some of the most surprising — and misunderstood — moments in Thanksgiving history.

We start with a beloved modern ritual: the presidential turkey pardon. It’s a quirky White House tradition with roots that go all the way back to the 1800s. I reveal how this annual ceremony really began and why it stuck. ⁠https://www.whitehousehistory.org/questions/which-president-started-the-tradition-of-pardoning-the-thanksgiving-turkey

Then we dive into the truth behind that famou...

When you look up information online, you may find that it’s harder to remember later. It’s a frequent phenomenon called digital amnesia. This episode begins by explaining why it happens so often — and what you can do about it. https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1332030/full

Oz Pearlman is probably the world’s greatest mentalist. He doesn’t claim to read minds — he reads people. Recently featured on 60 Minutes, topping bestseller lists, and even guessing Joe Rogan’s ATM PIN on his podcast, Oz brings his uncanny intuition to Something You Should Know. In our convers...

Texting and email may be convenient, but sometimes a phone call is the best way to make a real connection. So how do you ensure the person actually calls you back? I’ll reveal a few clever tricks — backed by communication science — that can dramatically increase your chances. Source: Bill Jensen, author of Simplicity Survival Handbook (https://amzn.to/3MMDmt7)

Have you ever achieved something big… only to feel restless right after? That’s the strange emotional hangover of success — what my guest Laura Gassner Otting calls Wonderhell. It’s that moment when your achievement opens the door to an eve...

Some cars have gullwing doors, like the DeLorean in Back to the Future. They look amazing — but why don’t more cars have them? As you’ll hear, there are several surprising (and practical) reasons why this futuristic design never became mainstream and probably never will. https://www.dacemotorgroup.co.uk/blog/the-history-of-gullwing-doors-and-why-they-were-so-rare

If you’ve ever felt truly hopeless, you already understand the extraordinary power of hope — because when it’s gone, everything changes. Hope gives us direction, energy, and purpose. It’s what gets us up in the morning and helps us persevere through uncertainty. Psychologist a...

Today we are sharing a special episode of the new podcast: David Greene Is Obsessed.

David is one of America’s most familiar voices and longtime co-host of NPR’s Morning Edition. On the show, he seeks out obsessives of all kinds, while unpacking his own fixations. You’ll hear actor David Arquette discuss his love for Bozo the Clown; Paula Poundstone on her house full of cats; celebrity chef Michael Symon explain why he just can’t quit the Cleveland Browns, even though they often make him miserable; and so much more. It’s pop psychology disguised...

Ever stepped into an elevator and wondered, what if the cable snapped? It’s a surprisingly common fear — but is it justified? I’ll reveal the truth about elevator safety, how often accidents really happen, and exactly what to do if the unthinkable occurred. https://www.businessinsider.com/survive-elevator-crash-fall-2015-9

Why do so many people swear by Apple, Starbucks, or Amazon? What makes certain brands almost irresistible? Behavioral science has the answer. My guest Michael Aaron Flicker — entrepreneur, founder of the Consumer Behavior Lab, and author of Hacking the Human Mind: The Behavioral Science Secrets Behind 17 of the Worl...

Here is the GoFundMe link for Pearl that I mention in this episode: https://gofund.me/2aa4d537e Most people don’t get enough sleep — and even a small deficit can take a big toll. Just 15 extra minutes a night can boost your health, focus, and mood more than you’d expect. This episode begins with a surprising look at how too little sleep quietly undermines your life — and how a little more can make all the difference. https://www.sleep.com/sleep-health/15-minutes-extra-sleep

Simple beats complicated — in business, communication, and life. Yet most of us instinctiv...

Just thinking about itching can make you start to scratch — but there’s a reason for that. Scratching triggers a powerful neurological loop called the itch-scratch cycle, which can actually make the problem worse. Listen as I explain what’s really happening in your brain and skin when that irresistible urge strikes to scratch that itch. https://www.news-medical.net/health/Scratching-the-Surface-Uncovering-the-Neurological-Mystery-of-Itch.aspx?

We all speak secret languages — whether we realize it or not. Families, professions, and social groups develop their own slang, codes, and private phrases that only make sense to insiders. From kitchen slang in restaura...

It all started with a colossal Thanksgiving mistake — one that accidentally created an entire industry. The birth of the frozen meal business began with a Thanksgiving blunder. Listen and you’ll hear how that blunder turned into a billion-dollar idea. https://www.housebeautiful.com/lifestyle/a22792044/thanksgiving-fun-facts/

The story of Thanksgiving is full of myths and misconceptions. Much of what we think we know about that first feast — from the turkey to the Pilgrims’ attire — simply isn’t true. Historian Peter Mancall, professor of history and anthropology at the University of Southern California, joins me to reveal the real sto...

When you touch someone else’s skin, it often feels softer than your own — but that can’t be true for everyone. What’s really happening is a fascinating illusion rooted in how your brain perceives touch. I’ll explain this strange sensory trick as we open the episode. https://pmc.ncbi.nlm.nih.gov/articles/PMC4580302/?utm_source=chatgpt.com

Your body is filled with mysteries you probably never learned in biology class — like why you get goosebumps, why hiccups happen, or why you unconsciously favor the left side of your face. And why no other creature on...

Ever notice that every restaurant kitchen has a giant exhaust fan above the stove? There’s a reason it’s required by law — and it’s not just about smoke. You probably have one at home too, but chances are you’re not using it nearly enough. Listen as I explain why that little fan plays a surprisingly big role in keeping your home and your health safer. https://polk.ces.ncsu.edu/2023/04/how-and-why-to-use-your-kitchen-exhaust-fan/

“Breakfast is the most important meal of the day.” “A glass of wine keeps your heart healthy.” “Red meat is bad for you.” These are just a few o...

We’ve all done it — used a big fancy word to sound smarter or more impressive. But does it actually work? Research says no. In fact, the secret to sounding intelligent and confident has nothing to do with big words at all. I’ll explain what is far more powerful. https://www.businessinsider.com/use-simple-language-to-sound-smarter-2015-9

Maps are fascinating. Did you know that early maps were not made for navigation at all, and a lot of modern maps are filled with mistakes and distortions that frustrate entire countries? Jay Foreman, co-host of the hit YouTube series Map Men (h...

When you’re stuck on a multiple-choice question, should you change your answer or trust your gut? Most people swear your first instinct is best — but science says otherwise. Listen as I reveal what research really shows about when to stick — and when to switch. https://pubmed.ncbi.nlm.nih.gov/15898871/

Wikipedia shouldn’t work. It’s built on the idea that anyone, anywhere, can edit their articles. You might think people would sabotage stories all the time. Yet it’s one of the most accurate and trusted sources on the internet. How is that possible? According to Wikipedia...

Why are the numbers 1, 2, and 3 across the top of a phone keypad but across the bottom of a calculator? It’s not random — and once you hear the logic, you’ll never look at a keypad the same way again. That’s just one of three quirky mysteries I explain at the start of this episode, along with surprising insights about portholes and time. Source: Ivan Semeniuk, co-author of Why Don’t Penguins’ Feet Freeze? (https://amzn.to/3sf8muM)

Achievement can be wonderful — until it starts defining your worth. When you believe you matter only because of what you ac...

Hooters has no male waiters. Isn’t that discrimination? Or could it be that men just don’t want to work there? The answer is no to both questions. Listen as I explain the answer and why it is perfectly legal. https://www.businessinsider.com/how-can-hooters-hire-only-women-2015-9

How do some people manage to get tables at “fully booked” restaurants, snag concert tickets that sell out in minutes, or get their child into the right school? It’s not always luck — it’s knowing how to access hidden markets. My guest, Judd Kessler, professor of business economics and public policy...

People who live the longest aren’t always the ones with the “perfect” body weight. In fact, research suggests that being slightly overweight can actually increase your life expectancy. It sounds counterintuitive, but the science may surprise you. Listen as I explain what’s really going on. https://healthland.time.com/2013/01/02/being-overweight-is-linked-to-lower-risk-of-mortality/

Ever since the dawn of the Internet, we’ve been told to guard against hackers — but today’s biggest threat isn’t hacking, it’s scamming. Cybercriminals are more cunning than ever, tricking millions into giving up money and information every day. If you think you are too clever...

Your grandmother was right — you should sit up straight. Posture affects far more than your appearance. It influences your mood, productivity, and even how well you think. I begin this episode with surprising research showing how simply improving your posture can boost everything from confidence to cognitive performance. https://www.deseret.com/2023/10/24/23930242/dont-slouch-minding-your-posture-good-mental-health-productivity

We often hear that creativity is the key to success — but is it really? Cultural historian Samuel Franklin says the cult of creativity might be one of the most overrated ideas in modern life. He’s the author of The Cult of Creativity: A Surpri...

When you ask someone to recall something from deep in their memory, watch their face — they’ll probably do something that actually helps them remember. You might do it too without realizing it. Listen as I reveal what it is and why it works. https://www.psychologytoday.com/us/blog/ulterior-motives/201110/why-do-you-close-your-eyes-remember

Have you heard of the winner’s curse or the sunk cost theory? These are strange but predictable ways our brains can trick us when we take risks — especially with money. My guest, Alex O. Imas, Professor of Behavioral Science, Economics, and Applied AI at the Univ...

When you want to reach out to someone — to ask them on a date, invite them to an event, or simply connect — what’s the best way to do it? Text? Email? A phone call? Research shows one option is far more effective, and it’s not what most people assume. Listen as I reveal what science says is the best way to reach out. https://greatergood.berkeley.edu/article/item/should_you_call_or_text_science_weighs_in?utm

Why do people slow down to gawk at car crashes, binge true crime podcasts, or line up for horr...

As people age, forgetfulness often creeps in — but not all memory loss is inevitable. In fact, some of the most common causes are preventable, and with the right strategies, memory can be protected and even improved. I’ll explain what really drives age-related forgetfulness and what you can do about it. Source: William Cone, PhD, author of Stop Memory Loss (https://amzn.to/3PNKIOX).

Negative emotions hit us all — anger, fear, frustration, stress — but how you handle those feelings determines your “emotional power.” Leading neuropsychologist Julia DiGangi reveals the science behind emotional triggers and how your brain shapes your...

What really happens when two people kiss? Far more than you think. From the brain chemistry it triggers, to the subtle information you’re exchanging, to the dozens of muscles involved — kissing is a complex act with fascinating effects on both body and mind. https://www.thehealthy.com/family/relationships/6-ways-kissing-makes-you-stronger/#ixzz3kK7pLATk

“Be authentic.” You’ve heard that advice countless times — but what does it actually mean? Do you really have one “authentic self”? And if so, why are the less admirable parts of that self rarely included in the conversation? My guest Tomas Chamorro-Premuzic — Chief Innovation O...

We are sharing an episode of On Point with Meghna Chakrabarti. On Point is a rare public space where you hear nuanced explorations of complex topics live and in real time. Meghna leads provocative conversations that help make sense of the world, with urgency, timeliness and depth. In this episode Meghna asks: Could sunlight help treat disease? She details a growing number of studies that find potential benefits of UV light therapy for conditions like multiple sclerosis, Type 1 diabetes and Crohn’s disease.

You can find more episodes of On Point at https://link.mgln.ai/shouldknow

Ever notice how weekdays feel different from one another? Mondays carry a heavy vibe, while Fridays seem lighter and more exciting. Science has a fascinating explanation for why certain days have a stronger “feel” than others, and we kick off this episode with the surprising psychology behind it. https://www.dailymail.co.uk/sciencetech/article-3209175/

Gravity is more than just the force that keeps us grounded — it’s quietly affecting your health every single day. From back pain to heart disease, gravity plays a role in nearly every chronic condition. But here’s the good news: there are ways t...

Ever wondered if there’s really a difference between hitting Restart and Shutdown on your PC? Turns out, there is — and knowing which one to use could save you a lot of frustration the next time your computer is acting up. I’ll explain why one option is far better when it comes to fixing problems. https://computer.howstuffworks.com/restarting-shutting-down-computer.htm

We all say we want to do important things — but then somehow they never get done. Why do we procrastinate on the stuff that matters most, and how does that affect our lives? Rob Dial, host of...

Expiration dates aren’t always what they seem. While most packaged foods carry them, some foods — like salt — can last virtually forever. In fact, there’s a surprising list of everyday staples that can outlive the labels and stay good for years. Listen as I reveal which foods never really expire. https://www.tasteofhome.com/article/long-term-food-storage-staples-that-last-forever/

AI tools like ChatGPT are everywhere, but to use them well, you need more than just clear questions. The way you prompt, the way you think about the model, and even the way it was trained all play a r...

How you walk doesn’t just reflect your mood — it can actually shape it. Research shows that adjusting your stride can boost happiness, and even a short walk outside could be the smartest thing you do today. https://www.sciencedaily.com/releases/2014/10/141015143259.htm

When it comes to spending money, one-size-fits-all advice doesn’t work. Should you spend on experiences? Travel? Things? The truth is, the way money makes you happy depends on you. Joining me to explore this is Morgan Housel, partner at The Collaborative Fund, award-winning journalist, and author of The Art of Spending Money: Simple Choice...

If you’re stocking up on Halloween candy, do you know which treats kids actually want the most? This episode opens with a list of the top 10 most popular Halloween candies — and it may not be what you expect. https://www.cincinnati.com/story/entertainment/2023/10/03/blow-pops-win-title-ohio-favorite-halloween-candy/71041875007/

Some animals live unimaginably long lives — an oyster that’s over 500 years old, creatures that seem to never age at all. What if unlocking their secrets could help us extend human lifespans? Research into nature’s most resilient species is already pointing the way. Joining me is Steven Austad, Distinguished Professor of Biology...

What really happens when you stand or sit up straight? More than you think. Posture affects your body and your mind in surprising ways. This episode begins with the science-backed benefits of tuning in to your posture. Source: https://www.medicaldaily.com/pulse/why-you-should-stand-straight-benefits-good-posture-345598

What’s most likely to kill you—and what can you actually do about it? That’s the urgent and practical question we explore with Dr. Tom Frieden, former Director of the CDC under President Obama and now CEO of Resolve to Save Lives. Dr. Frieden shares the latest science on the biggest threat...

Vacations are supposed to be relaxing, but did you know there are proven ways to make them even better? Research shows that with a few simple strategies, you can maximize the happiness and memories you take away from your trip. This episode begins with science-backed tips to optimize your next getaway. https://www.vox.com/2015/7/22/9013783/vacation-science

Mental health terms like “depressed,” “ADD,” and “narcissist” used to be reserved for professionals — yet now they’re casually tossed around in everyday conversations. But should they be? And what happens when clinical diagnoses turn into buzzwords? Psychotherapist Joe Nucci joins me to unpack thi...

If you walked into your backyard and scooped up just a pinch of dirt, you’d be holding an entire underground universe in your fingers — one teeming with life and mysteries you’ve probably never imagined. I’ll reveal what’s really hidden in that soil. Source: David W. Wolfe, author of Tales From The Underground https://amzn.to/3tvUBIk

Speaking in front of people — whether it’s a handful of colleagues or a packed room — can feel nerve-wracking. But with a few simple techniques, you can transform that anxiety into confidence and make your message land with impact. Com...

Why do people cheat when they know it’s wrong? Whether it’s on a test or in a relationship, the answer may lie in your hormones. This episode begins with surprising research that reveals the powerful role biology plays in dishonest behavior.(https://www.dailymail.co.uk/health/article-3178947/What-makes-cheat-HORMONES-People-high-levels-certain-chemicals-likely-behave-badly.html)

Distractions have become a way of life — endless scrolling, constant notifications, and interruptions that destroy our ability to concentrate. Yet the ability to focus is one of the most valuable skills you can have. My guest, Dr. Zelana Montminy, behavioral scientist and author of Finding Focus...

If I showed you some photos of yourself and asked you to pick out the one that most accurately represented what you really looked like – could you do it? Listen as I begin this episode by explaining why you most likely could not. https://www.sciencedaily.com/releases/2015/06/150623200016.htm?utm_source=chatgpt.com

Common knowledge is something that I know that you know, and you know that I know you know it! And so usually, we never discuss it. Sounds confusing but without common knowledge life would be amazingly difficult and tedious as you are about to di...

We’ve all heard the test-taking advice: “If you’re stuck, trust your first answer.” But is that really the smart move? Research says no — and I begin this episode by explaining why going with your gut on exams might actually hurt your score. Source: Joseph T. Hallinan, author of Why We Make Mistakes (https://amzn.to/44PV4SQ).

Feeling awkward or embarrassed is awful in the moment — but maybe it’s not nearly as bad as you think. In fact, those cringeworthy moments might even be a secret weapon. Henna Pryor has studied the psychology of embarrassment...