Something You Should Know

Something You Should Know

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.

Episodes

November 10, 2025 49 mins
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 ...
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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/ “...
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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 ...
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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 sabo...
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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) ...
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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 s...
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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 t...
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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...
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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 predicta...
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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...
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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, frus...
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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 ac...
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October 14, 2025 43 mins
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 ...
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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 affec...
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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 t...
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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...
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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...
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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 ...
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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 w...
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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 re...
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