Have We Been Wrong About Posture? & How Memory Champions Think
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What is the main topic discussed in this episode?
I know you like interesting and thought-provoking conversations and ideas because you listen to something you should know. So let me recommend another podcast I know you will enjoy. It's The Jordan Harbinger Show. Jordan has a real talent for getting his guests to share stories and offer thought-provoking insights. Over the years, I've sent a lot of people to listen, and I get feedback from people who are so glad I introduced them to The Jordan Harbinger Show. Recently, he discussed Scientology and the children who are raised in that organization. It's a fascinating conversation. And he talked with Dr. Rhonda Patrick about how to protect your mind and body from the modern world. And it's tougher than you think.
I've gotten to know Jordan pretty well. We talk frequently, and I tell you, he is a very smart, insightful guy who does a hell of a podcast. Check out The Jordan Harbinger Show on Apple Podcasts, Spotify, or wherever you listen to podcasts. Today on Something You Should Know, your car's speedometer is probably not accurate, and there's a good reason for that. Then, we've all been told to sit up straight and have good posture. But why? The promise is a little fuzzy.
If you can somehow maintain upright posture, and they never tell you for how long, right? Like no one ever says, stand up straight for the rest of the day, for an hour. How long do you want me to stand up straight?
Also, most tennis balls are green, but they didn't used to be. So what changed? And memory. You probably wish you could remember things better. Well, a six-time memory champion tells you how.
A large part of the problem for people is it's not that they're forgetful. It's just that they never put the information in their mind in a clear, organized way, and they're having trouble finding it. And there's techniques to do that, different strategies. All this today on Something You Should Know.
Something you should know. Fascinating intel. The world's top experts. And practical advice you can use in your life. Today, Something You Should Know with Mike Carruthers.
Even though I don't know what kind of car you drive, I can pretty much assure you that the speedometer in your car is not accurate. And there's a really interesting reason why. That's why we're starting with this today on this episode of Something You Should Know. Hi, I'm Mike Carruthers and I'm glad you're here. So if you've ever compared your car speedometer to a GPS app, you will likely notice that your speedometer on your dashboard says you're going a little faster than the GPS app says. That's not a defect, it's intentional. automakers purposely calibrate most speedometers to read slightly higher than your actual speed. Why? Because manufacturers never want a speedometer to tell you you're driving slower than you really are.
Differences in tire wear, tire pressure, temperature, and manufacturing tolerances can all affect the true speed of a vehicle. By building in a small cushion, they reduce the chance that drivers accidentally exceed the speed limit because of instrument error. So, if your speedometer says 70, your actual speed may be 67 or 68. It's one of those rare situations where engineers intentionally make an instrument a little inaccurate in order to make driving more accurate. And that is something you should know. How many times have you been told to sit up straight or stand up straight? Probably hundreds, maybe thousands. Most of us grew up believing that good posture is essential for good health and that slouching is bad.
It's bad for your back, your neck, and maybe it's even bad for your character. But is it? Where did all these rules about posture come from? Is there really one correct way to sit or stand? Or have we been worrying about posture far more than we should? It turns out the history of posture is filled with surprising myths, changing science, and a lot of assumptions that don't hold up very well today. My guest has dug deep into where our obsession with posture came from and what the evidence actually says.
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Chapters
5 chapters
1
What is the main topic discussed in this episode?
0:00–12:41
2
Why do car speedometers intentionally overstate your speed?
12:41–22:43
3
When did posture become a public health obsession and why?
22:43–29:55
4
How did eugenics and early 20th-century science shape modern ideas about posture?
29:55–40:21
5
Is there scientific evidence that 'good posture' prevents back pain or disease?
40:21–46:50
Speakers
4 identifiedMore from Something You Should Know
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