Sometimes all it takes is one little fact or one little piece of wisdom to change your life forever. That's the purpose and the hope of "Something You Should Know." In each episode, host Mike Carruthers interviews top experts in their field to bring you fascinating information and advice to help you save time and money, advance in your career, become wealthy, improve your relationships and help you simply get more out of life. In addition, Mike uncovers and shares short, engaging pieces of "intel" you can use to make your life better - today. Right now.
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Every medication has an expiration date—but what exactly happens when that date passes? Does the medicine suddenly stop working? Does it become dangerous? The answer is more complicated than most people realize and depends greatly on the medication itself. https://www.fda.gov/emergency-preparedness-and-response/mcm-legal-regulatory-and-policy-framework/expiration-dating-extension Everyone procrastinates. We put off phone calls, projects, conversations, paperwork, workouts, and sometimes the very...
This episode explores validation as a crucial communication skill, going beyond mere listening to truly make others feel heard and understood. Author Michael Sorensen explains why offering advice is often less effective than validating emotions, dramatically improving relationships in personal, professional, and even parental contexts. Learn practical strategies to strengthen connections and de-escalate conflicts.
The episode uncovers the American invention of the iconic Chinese takeout box before transitioning into human behavior. Former FBI agent Joe Navarro shares how to interpret nonverbal cues, build trust, and avoid common communication pitfalls, highlighting the impact of digital distractions. Productivity expert Laura Vanderkam then challenges the perception of time scarcity, offering practical advice on intentional scheduling and time tracking to achieve "time abundance." The episode concludes by revealing the unexpected stress-reducing benefits of listening to birdsong.
Most people think of romantic music as background noise for dates, movies, or weddings. But researchers have found that music can actually influence romantic behavior and attraction in measurable ways. Listen to discover how love songs may be doing more than simply setting the mood. https://www.sciencedaily.com/releases/2010/06/100618112139.htm Take a look around you and notice how many buttons surround you. Elevator buttons. Crosswalk buttons. Remote controls. Keyboards. Car dashboards. Humans ...
People will go to ridiculous lengths to avoid paying fees. Adding extra items to an online order just to get “free” shipping. Avoiding ATM fees like they’re a personal insult. Or driving across town to save a few cents on gas. There’s actually a fascinating psychology behind why humans hate fees so much—and why “free” has such unusual power over our decisions. https://www.stlouisfed.org/publications/page-one-economics/2025/apr/psychology-of-free-how-price-of-zero-influences-decisionmaking Most p...
This episode explores the vital role of fear in survival and how its evolutionary purpose often clashes with the demands of modern life, leading to anxiety. Dr. Arash Javanbakht explains the difference between fear and anxiety, highlighting our tendency to catastrophize. He introduces practical strategies like mindfulness to stay present and discusses how engaging with "safe" fear can help put real anxieties into perspective.
Dog owners tend to live longer and be healthier than people without dogs. But why would owning a dog have such a powerful effect on your health? The answer turns out to be surprisingly fascinating—especially when it comes to what dogs may be doing for children. https://hi.umn.edu/news/health-perks-pet-ownership You know that frustrating moment when someone completely misunderstands what you meant—even though you thought you were being perfectly clear? Communication problems often happen because ...
Most people assume being rich would solve almost every problem in life. More freedom. Less stress. More happiness. But psychologists who work with wealthy families say money—especially when people grow up with a lot of it—can create a surprising set of emotional and psychological problems that few outsiders ever see. Source: Dr. Stephen Berglas author of Reclaiming the Fire (https://amzn.to/3VjeRIS). Why do humans dream at all? Why does the brain create these intense experiences while we sleep? ...
“Breakfast is the most important meal of the day .” We’ve all heard it countless times. But where did that idea come from—and is it actually true? Researchers have taken a much closer look at breakfast and the findings may surprise you. Source: https://www.bmj.com/content/364/bmj.l42 Whether you realize it or not, you negotiate all day long—with your spouse, kids, friends, coworkers, and even strangers. The ability to persuade people and navigate difficult conversations can dramatically improve ...
Humans are social creatures, and one of our strongest instincts is to fit in with the group. We want to belong. We want approval. And often, we assume that if enough people appear to believe something, it must be true. But what if a lot of people are only pretending to agree? According to Dr. Todd Rose, this happens far more often than we realize. People routinely stay quiet about what they truly think because they fear being judged, criticized, or isolated. The result is something he calls a “c...
A lot of people treat melatonin like a harmless sleeping pill. But that’s not really what it is. Researchers are increasingly concerned that melatonin is misunderstood, overused, and often taken in ways that may not help sleep much at all. https://pmc.ncbi.nlm.nih.gov/articles/PMC9892750/ Humans have always relied on rituals to mark important moments in life—weddings, funerals, graduations, religious ceremonies, even small personal traditions. Rituals help create meaning, connection, and a sense...
The sound of crickets on a warm summer night is instantly recognizable. But the tiny creatures making all that noise are far more fascinating than most people realize. Crickets have some remarkable abilities and behaviors that may change the way you think about them entirely. Source: Hugh Raffles author of Insectopedia ( https://amzn.to/4bOcK51 ) People today have fewer close friendships than in the past, and loneliness is becoming increasingly common. Yet making and maintaining friendships may ...
People love giving advice—but most of the time, it doesn’t actually change anyone’s behavior. In fact, there’s a much more effective way to influence people that works far better than telling them what they should do. https://pmc.ncbi.nlm.nih.gov/articles/PMC4675534/ Hormones influence nearly every aspect of your life, yet most people only have a vague understanding of what they actually do. These powerful chemical signals affect mood, stress, sleep, energy, appetite, weight, sex drive, and much...
Most of us can point to someone who truly inspired us—a teacher, boss, coach, friend, or public figure who made us think differently, push harder, or believe more in ourselves. But what exactly makes someone inspiring? Why do certain people energize and motivate us while others, even highly successful people, don’t have the same effect? It turns out inspiration is not just charisma or confidence. Research suggests there are specific qualities and behaviors that consistently make people more insp...
This episode delves into diverse topics, starting with the chemistry of preheating ovens for perfect culinary results. It then features an expert discussing the underrated, sophisticated science of walking, highlighting its physiological necessity, injury prevention, optimal techniques (like brisk and post-meal walks), and the crucial role of functional footwear. The conversation shifts to career fulfillment, challenging the "follow your passion" mantra and exploring how parental influence and broader exposure shape career choices, alongside finding daily purpose over mere financial gain. Finally, it uncovers how salt in ultra-processed foods manipulates our hunger and satisfaction signals, contributing to overeating.
“Your call is very important to us.” Companies say things like this all the time in an effort to sound customer-focused and trustworthy. But do phrases like that actually reassure people—or do they quietly create the opposite reaction? Source: Michael Maslansky author of The Language of Trust (https://amzn.to/3Wz2IQP). You already know certain places make you feel different—you just may not realize how powerful the effect really is. Walking into a church, a courtroom, a stadium, or even a grocer...
Most credit cards have that little 3- or 4-digit security code you constantly get asked for when shopping online. It can feel like a nuisance—but that tiny number plays a surprisingly important role in reducing fraud in a very simple and effective way. https://www.chase.com/personal/credit-cards/education/basics/why-do-some-sites-not-require-cvv We tend to think of financial advice as timeless: buy a house, invest for the long term, diversify your portfolio, put your money in index funds. But hi...
What if your experience of reality isn’t real—but something your brain is creating? And what does it really mean to be you? It sounds abstract, even a little out there. But scientists are actively studying these questions, and what they’re discovering is both fascinating and a bit unsettling. The way you perceive reality—what you see, hear, and feel—may not be a direct reflection of the world at all. Instead, it could be something your brain is actively constructing in real time. Anil Seth, prof...
Have you ever struggled with a problem—only to have the answer suddenly appear when you stopped trying? It feels almost like magic, but it’s actually your brain working in a very specific way when you step back. https://drexel.edu/now/archive/2016/March/Insight_Correctness/ We all want to know what’s going to happen next. But life doesn’t work that way. In fact, the real challenge may not be uncertainty itself—but our growing discomfort with it. Simone Stolzoff, journalist and author of How to N...
When buying a car, color might seem like a purely personal choice. But it turns out that picking a less popular color could actually pay off later in a surprising way—especially when it’s time to sell. Source: Westways Magazine Summer 2024 / “Color Considerations” What does it really take to get better at something? Is it just practice—or is there a smarter way to improve? Why do some people seem to make rapid progress while others plateau? Scott Young, writer, podcast host ( https://www.scotthy...
We often hear that we’re all connected by six degrees of separation—that you can link yourself to anyone on the planet through just a handful of people. But with billions of people in the world, how could that possibly be true? And in a world of social media and constant connectivity, is that number shrinking or growing? https://www.nature.com/articles/s41598-025-98072-2 Some people just seem to have all the luck. Opportunities appear, things fall into place, and they end up in the right place a...
For a lot of people, the idea of negotiating feels uncomfortable—something to avoid if possible. It can feel confrontational, awkward, or even risky. But what if negotiating didn’t have to be that way? What if it wasn’t about pushing harder or being more aggressive—but simply about asking better questions? It turns out that the most effective negotiators don’t rely on pressure or persuasion nearly as much as you might think. Instead, they guide conversations in a way that uncovers what really ma...
Ever feel your phone buzz in your pocket—only to check and find nothing there? It feels completely real, and it happens to just about everyone. But it’s not your phone—it’s your brain playing a trick on you. https://www.psychologytoday.com/us/blog/rewired-the-psychology-technology/201305/phantom-pocket-vibration-syndrome We’re constantly told that creativity comes from “thinking outside the box.” But what if that idea is actually holding you back? It turns out that constraints—rules, limits, and...
If you ever feel a wave of anxiety or that vague sense of dread, your first instinct probably isn’t to reach for a pain reliever. But there’s evidence that something you already have in your medicine cabinet may affect more than just physical pain—and the reason why is surprisingly unexpected. https://www.livescience.com/28770-tylenol-eases-existential-dread.html Plants don’t have brains—so how could they possibly be intelligent? Yet research suggests plants can sense threats, communicate with e...
What makes someone—or something—attractive? It may have less to do with beauty and more to do with how easily your brain can process what you’re seeing. There’s a hidden pattern behind what we find appealing, and it shows up in more places than you might expect. https://pmc.ncbi.nlm.nih.gov/articles/PMC3130383/?utm Artificial intelligence is evolving rapidly, and it’s easy to feel like you’re either falling behind—or overestimating what it can actually do. So what is AI truly good at right now? ...
Stanford psychologist Dr. Jamil Zaki discusses the pervasive rise of cynicism and its significant societal and personal costs, including poorer mental health and missed opportunities. He challenges the idea that cynicism equates to realism, presenting scientific evidence of human goodness and the benefits of adopting a "hopeful skepticism." The conversation offers practical ways to overcome distrust and build more meaningful connections.
What if you followed people for 80 years—tracking their health, happiness, and relationships over a lifetime? That’s exactly what one of the longest-running studies ever has done, and what it reveals about how to live a good life may not be what you expect. https://www.adultdevelopmentstudy.org/ We all think we know what “now” means—until we try to define it. The present moment feels obvious, yet science struggles to explain it. Your brain doesn’t have a clear way to register “now,” and your exp...
When you buy fruits and vegetables, how much pesticide residue is actually on them? Is it something you should worry about—or not? And does buying organic really make a meaningful difference? Recent findings offer some answers that may surprise you. https://www.consumerreports.org/health/food-contaminants/produce-without-pesticides-a5260230325/ We tend to believe that hard work and good decisions determine how life turns out. But luck and random chance play a much bigger role than most people re...
Cravings can feel almost impossible to resist—whether it’s something sweet, salty, or just tempting in the moment. Yet, there is a simple and somehow satisfying way to stop yourself or at least eat less of what you are craving than you might otherwise. https://en.wikipedia.org/wiki/Habituation Your body works in amazing ways. For instance your immune system acquires intelligence over time, how you breathe can have a big impact on preventing disease, and the benefits of human touch are extraordin...
You probably laugh every day—at something someone says, a scene in a show, or a random moment that just hits you the right way. But have you ever stopped to wonder why something is funny? Why one person bursts out laughing while another barely cracks a smile? Humor feels spontaneous, but researchers say there is actually a structure behind it. Certain patterns, expectations, and subtle violations of those expectations seem to trigger laughter. In other words, what makes something funny may not b...
