Kurzgesagt Podcast: Science Revealed

Salt is an essential part of our diet, but too much of it can quietly put stress on the body. From everyday meals to processed and packaged foods, many people consume more sodium than they realize.
In this episode, we explore what happens inside your body when you consume too much salt, how sodium affects blood pressure and fluid balance, and why consistently high intake can increase the risk of serious health problems.
We also look at how much salt we actually need, which foods contain surprisingly high amounts, and simple ways to reduce excess sodium without making your meals bland.
So, is salt really the enemy—or is it simply a case of having too much of a good thing? Let’s find out.

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Menstruation is a natural part of the human reproductive system, yet it remains surrounded by myths, embarrassment, and misinformation.
In this episode, we break down what actually happens during the menstrual cycle, from the hormonal changes that prepare the body for a possible pregnancy to what happens when pregnancy doesn’t occur.
Why does menstruation happen?
What causes cramps, mood changes, and other common symptoms?
How long does a typical cycle last?
And why can periods look and feel different from person to person?
We explore the science of the menstrual cycle in a simple, informative way while separating common myths from what we know about reproductive health.
Because understanding menstruation isn’t just about biology—it’s about understanding one of the most normal processes of the human body.

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From the original Macintosh to the iPhone, Apple has repeatedly changed how people interact with technology.
In this episode, we explore the technology behind Apple’s most influential products and the philosophy that has shaped its approach to hardware, software, design, and user experience. We look at the innovations that helped Apple stand out, from custom chips and operating systems to touchscreens, biometric security, and tightly integrated devices.
How does Apple make its hardware and software work so seamlessly together?
Why has its approach to product design been so influential?
And what technologies could define Apple’s next chapter?
We take a closer look at the engineering, innovation, and strategy behind one of the world’s most influential technology companies—and how Apple’s technology has helped shape the modern digital world.

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Eggs are packed with protein, vitamins, and essential nutrients—but what happens to your kidneys if eggs become an everyday part of your diet?
In this episode, we explore the science behind eggs, protein, and kidney health. We look at how the kidneys process the waste products created when your body breaks down protein, whether eating eggs daily puts extra strain on healthy kidneys, and why the answer can be different for people who already have kidney problems.
Are eggs actually bad for your kidneys?
Does eating more protein mean your kidneys work harder?
And how much does your overall diet matter?
We separate common nutrition myths from what research tells us, giving you a clearer understanding of how one of the world’s most popular foods interacts with kidney function.
Because when it comes to nutrition, the real story is often more nuanced than a simple “good” or “bad.”

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What if one of nature’s tiniest creations could outperform one of humanity’s strongest materials? 🕷️
In this episode, we dive into the fascinating science behind spider silk and explore the claim that it can be stronger than steel. We’ll uncover what makes spider silk so incredibly strong, how its strength compares to steel, and why scientists are so interested in using it to create everything from advanced medical materials to next-generation fabrics.
Is spider web really stronger than steel—or is there more to the story?
🎧 Tune in and discover the incredible science hiding in a spider’s web.

Hosted on Acast. See acast.com/privacy for more information.