Something You Should Know

When you watch a great dancer, what separates them from everyone else isn’t strength, flexibility, or even rhythm — it’s one specific part of the body most people never think about. This episode begins with what it is and why it matters so much. https://www.nature.com/articles/srep42435

Why do some people seem instantly likable while others struggle to connect? There’s real science behind first impressions, and small behaviors can make a big difference — for better or worse. Nicholas Boothman joins me to explain what makes people warm up to you quickly and what quiet...

There is a three-letter word in the English language that holds more meanings than any other word. You’ve probably said it several times today without realizing how complex it really is. This episode begins with the surprising story behind that word. https://www.rd.com/article/most-complicated-word-in-english/

How much of who you are comes from your genes — and how much comes from the home you grew up in? Heredity is powerful, but also widely misunderstood. Some traits truly are inherited, while others only seem hereditary because families share environments, habits, and experiences. Carl Zimmer joins me to u...

Why do we say Merry Christmas instead of Happy Christmas? The phrase has a surprisingly rich past, shaped by culture, language, and holiday tradition. This episode begins with where “merry” came from and why it stuck. https://time.com/6240140/why-we-say-merry-christmas-traditions/

Being alone isn’t the same as being lonely. In fact, choosing solitude can offer profound psychological and emotional benefits. Robert J. Coplan joins me to explain why. He has spent more than three decades studying the upside of time alone. Robert is a psychologist, researcher, teacher, and author of The Joy of Solitude: How to Reconnect with Y...

Every December, millions of people around the world track Santa’s journey in real time using the NORAD Santa Tracker. But why is a military defense organization keeping tabs on Santa Claus in the first place? This bonus holiday episode begins with the surprisingly charming and accidental origin of that tradition. https://www.noradsanta.org/en/about/

Why do people kiss under the mistletoe? Why do we decorate Christmas trees with ornaments? And how did Jingle Bells — a song originally written for Thanksgiving — become one of the most popular Christmas songs of all time? Ace Collins joins me to...

If you fall short on sleep, can you really “catch up” the next night? Many people think so — but our bodies don’t quite work that way. This episode begins with what science says about recovering from poor sleep and how to optimize deep sleep when your schedule gets disrupted. https://www.womenshealthmag.com/health/a40511210/deep-sleep/

What makes a song a hit? Trends, personal taste, timing, and luck all play a role — but today, technology shapes popular music more than ever. From how songs are created to how they spread, the path to a hit is constantly...

Sometimes the perfect words show up when you need them most. We start with a surprisingly powerful bit of holiday inspiration from Mr. Rogers — a reminder of kindness and humanity that still resonates today. Source: The World According to Mr. Rogers (https://amzn.to/3RKWfzC)

Science is completely rethinking what it means to grow old. It’s not just about adding years — it’s about adding healthy years. And while diet and exercise play their part, researchers are uncovering far more advanced ways to slow aging at a cellular level. Some of the most intriguing experiments can literall...

Christmas tree fires are frightening, but they’re not the leading cause of house fires in the U.S. What’s surprising is how many fires start from everyday habits and household choices most people never think twice about. This episode begins with a look at several common yet overlooked causes of home fires. Source: https://www.bobvila.com/articles/fire-safety/#.Viz3ILerTIU

We alter our own memories far more than we realize. We forget details, highlight the good parts, and unintentionally distort events over time. Now scientists are exploring how to deliberately modify specific memories — softening painfu...

Christmas decorations are meant to be cheerful — but some have been anything but. Over the years, certain holiday decorations have turned out to be creepy, hazardous, and even deadly. This episode begins with some of the strangest and most dangerous examples. https://www.epa.gov/radtown/radioactivity-antiques?utm

Many classic Christmas songs have surprising backstories. Brenda Lee was only 13 when she recorded Rockin’ Around the Christmas Tree. Have Yourself a Merry Little Christmas was tossed in the trash before becoming a holiday staple. Music journalist Annie Zaleski joins me to share these and many other stories. She is a...

Some people crave sweets, while others reach for salty snacks — and it’s not just habit. Your flavor preference is shaped by biology and brain chemistry. We begin with a look at what determines whether you’re wired for sugar or salt. Source: https://www.womenshealthmag.com/health/a19931521/why-some-people-have-a-sweet-tooth/

The holidays promise joy but often deliver stress. We push for perfection, try to meet expectations, and forget that the season is really about connection — not flawless decorations or perfect moments. Psychotherapist Niro Feliciano shares some powerful advice for a healthier, calmer holiday season. Niro appears regularly on the T...

Winter brings cold and flu season—and when symptoms first appear, it can be hard to tell which one you’ve got. Fortunately, early signs can offer helpful clues, so you can take the right steps quickly. https://www.webmd.com/cold-and-flu/is-it-cold-flu

During the holidays especially, people feel a heightened need for connection. Yet many of us struggle with the social skills that make connection possible—skills like how to be a great conversationalist, how to apologize well, how to end a conversation gracefully, or how to sit with someone who’s suffering. These are the abilitie...

If you’re having a rough day, there’s one oddly specific body part you can wash that appears to boost your mood—even though the science behind it makes little sense. https://pubmed.ncbi.nlm.nih.gov/21707206/

When it comes to communicating, influencing, or connecting with others, some words are far more powerful than others. Jonah Berger, marketing professor at the Wharton School of the University of Pennsylvania and author of Magic Words: What to Say to Get Your Way (https://amzn.to/3FctHIE), explains how small shifts in language can drastically change how people respond.

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Eggnog is one of the strangest holiday traditions we have — a creamy mix of eggs, milk, spices, and often a splash of rum. Yet people look forward to it every December. Where did this unusual drink come from, and how did it become tied so closely to Christmas? We start with the surprising history behind this centuries-old holiday concoction. Source: https://time.com/3957265/history-of-eggnog/

Chances are you have a favorite Christmas movie — White Christmas, It’s a Wonderful Life, A Christmas Story, Home Alone, or one of dozens of others that seem to define the season. Film histor...

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...