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
October 20, 2026 • 24 mins
You are constantly sending signals without saying a word—and so is everyone around you. The way someone sits, moves their hands, looks at you, or suddenly changes their posture can offer clues about what they’re thinking and feeling. But reading body language correctly is more complicated than simply assuming crossed arms mean someone is defensive.
Scott Rouse is a behavior analyst and body language expert who holds mu...
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October 19, 2026 • 47 mins
When you delete a spam text, your phone often gives you the option to “Delete and Report.” But have you ever wondered what actually happens when you report it? Who gets the report? Does anyone do anything with it? Turns out, hitting that button isn’t as pointless as it may seem. https://consumer.ftc.gov/articles/how-recognize-and-report-spam-text-messages
Imagine two people shopping for the exact same thing &mdas...
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October 17, 2026 • 47 mins
Most of us know that driving faster burns more gas. But just how much does slowing down actually save you? The difference is bigger than you might think. And if you drive around with a bike rack attached to your car, even when there’s no bike on it, you’ll definitely want to hear this. https://abc7.com/archive/9151803/
There is something powerful about being part of a crowd. At a concert or sporting event, thousands of...
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October 15, 2026 • 48 mins
We all have vivid memories of major events from our past — moments we can picture so clearly that we’re certain we remember exactly what happened. They’re known as “flashbulb memories.” But here’s the strange thing: even when those memories feel crystal clear, they may not be very accurate and there is an interesting reason why. https://dictionary.apa.org/flashbulb-memory
Why are some foods simp...
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October 13, 2026 • 26 mins
The human body is full of strange, ingenious, and often overlooked features that keep us alive every second of every day. And some of the most fascinating parts are the ones we rarely think about — until something goes wrong.
Dr. Jonathan Reisman takes us on an unusual tour inside the human body to reveal what our organs, tissues, and bodily fluids can teach us about how we work. He explains why certain parts of the body are...
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October 12, 2026 • 49 mins
You know that stretch you instinctively do when you first wake up — arms out, back arched, often accompanied by a yawn or a strange noise? Dogs and cats do it too. There is actually a name for it, and a reason it feels so incredibly good. Listen and discover what your body is accomplishing when you do it. https://health.clevelandclinic.org/why-does-pandiculation-feel-so-good
Something startling is happening between young men...
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October 10, 2026 • 49 mins
You have seen a dollar bill hundreds of times, but have you ever really studied it? It’s fascinating. And the number 13 plays a prominent role. This episode begins with a short tour of a U.S. $1 bill. https://www.niehs.nih.gov/health/kids/games/riddles/jokes/dollar-bill-trivia
You spend a lot of time with clothes – wearing them, buying them, and washing them. How you care for your clothes is important. If you care for ...
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October 8, 2026 • 47 mins
Ever get a song stuck in your head that simply will not leave? That’s an earworm, and while it will eventually fade away on its own, there are some things you can do to help get rid of it sooner. Listen and discover what works. https://health.clevelandclinic.org/songs-get-stuck-head
Being a good conversationalist can make an enormous difference in your personal and professional life. Yet most of us were never actually taught...
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October 6, 2026 • 26 mins
There are some questions about the universe that are almost too big to wrap your head around. Why are we here? How did everything begin? Are we alone — or is there intelligent life somewhere else? Could aliens already know about us? And if the universe had a beginning, how does this whole thing eventually end?
In this episode, astrophysicist Neil deGrasse Tyson tackles some of the most fascinating mysteries of the cosmos and...
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October 5, 2026 • 50 mins
What are spiders doing inside your home? You’ve probably spotted a few crawling around, especially in the fall. But contrary to what you might assume, many of those spiders didn’t just wander in from outdoors. And there’s a very specific reason you suddenly start seeing more of them this time of year — it has a lot to do with romance. https://www.burkemuseum.org/collections-and-research/biology/arachnology-a...
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October 3, 2026 • 48 mins
Groceries are expensive, but there is a surprisingly simple way to leave the supermarket with a smaller bill — and it has less to do with what you buy than how you shop. I begin this episode with a technique that could help you spend less every time you go to the grocery store. Source: Eat This Not That by David Zinczenko(https://link.amazon/B03ckVUuD)
For decades, we’ve been told the future would bring flying cars, hu...
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October 1, 2026 • 48 mins
You’ve probably seen the warning on your passenger-side car mirror: “Objects in mirror are closer than they appear.” Which raises an obvious question: Why put a mirror on your car that deliberately distorts reality? Turns out there is a very good reason—and that distortion may actually help keep you safe. https://science.howstuffworks.com/innovation/science-questions/why-objects-in-mirror-closer-than-they-ap...
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September 29, 2026 • 24 mins
Who doesn’t like a bit of juicy gossip? We tend to think gossip is petty, mean or something we probably shouldn’t be doing. Yet practically everyone gossips—and it turns out there are some very good reasons why.
Gossip actually serves several useful purposes in our personal and professional lives. It can help us figure out whom to trust, learn what’s going on within a group and warn us about people we might...
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September 28, 2026 • 48 mins
If you’ve ever tried to look at your phone while wearing sunglasses and found the screen strangely dark—or even completely black—there’s a fascinating reason why. And you don’t necessarily have to take off your sunglasses to fix it. Listen and discover a very simple trick. https://www.allaboutvision.com/eyewear/sunglasses/lenses/polarized-lenses-and-lcd-screens/
Imagine walking into a meeting, party o...
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September 26, 2026 • 49 mins
How is your posture right now? If your shoulders are slouched, you may be sending a message to other people that you never intended to send. Your shoulders can communicate confidence, uncertainty, stress and more. Listen as I explain what your posture may be saying about you. https://www.jnforensics.com/post/what-the-shoulders-say-about-us
Why are dogs so picky about where they poop? Can cats tell how you’re feeling? And doe...
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September 24, 2026 • 48 mins
When someone gets a nosebleed, what are you supposed to do? Many of us learned that you should tilt your head back. That’s not a good idea. There are a couple of key actions to take when your nose bleeds that many people don’t know or don’t do. https://www.mayoclinic.org/first-aid/first-aid-nosebleeds/basics/art-20056683
It’s easy to dismiss optimism as hoping for the best or always looking for the bright s...
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September 22, 2026 • 25 mins
Someone says nine wonderful things about you and one negative thing. Which one are you still thinking about hours later? Probably the negative one. Bad experiences, criticism and unpleasant news seem to have more power over us than equally good things. And it turns out there is a reason for that.
Psychologists call it the negativity effect — our tendency to give more weight and attention to what goes wrong than to what goes ...
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September 21, 2026 • 49 mins
Why do your fingers and toes sometimes feel freezing cold when the rest of you feels perfectly comfortable? It’s actually your body doing something very deliberate to protect you. Listen and discover what’s going on — and why warming those fingers and toes back up can be so difficult. https://health.clevelandclinic.org/why-are-my-hands-and-feet-always-cold-and-should-i-worry
Are you getting enough sleep? Is it go...
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September 19, 2026 • 46 mins
We have become much more of a cashless society in the last few years. That turns out to be a good thing because cash is really disgusting. Listen as I explain just how disgusting and you are not going to like it! Source: Elizabeth Scott, author of How to Prevent Food Poisoning (https://amzn.to/3XKAvHf).
Horses are the “Swiss army knife of animals.” They can do so much. Consequently, over the last 5,000 years they have ...
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September 17, 2026 • 49 mins
Certain smells can instantly transport you back to another time and place — sometimes more vividly than a photograph ever could. Why is your sense of smell so closely tied to memory, and why are those memories often so emotional? Listen and find out. https://magazine.hms.harvard.edu/articles/connections-between-smell-memory-and-health
Getting good customer service can feel like an obstacle course. You can’t reach a hum...
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