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PODCAST

Do you really know?

You’ve heard about it, but do you really know it? In 3 minutes, we help you understand the true meaning behind the trends, concepts and acronyms that are making headlines. After listening, you will really know for sure.

education

All Episodes

4:40

What is social jet lag?

Do you really know? ·

2025/09/16

You’ve probably heard of jetlag, the feeling of fatigue and disorientation that occurs when you travel across different time zones, but did you know that you can experience a similar phenomenon without leaving your home? It’s called social jetlag and is caused by changing your sleep patterns. It happens when you change your sleep schedule on the weekends to fit your social life. Why is social jetlag a problem? How can you avoid social jetlag? How to create a regular sleep schedule? In under 3

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4:17

Orania: what is this town that’s still reserved for...

Do you really know? ·

2025/09/15

Let’s start with a number: 63. That’s South Africa’s Gini index score, a measure of income inequality. Zero means perfect equality, 100 means total inequality. At 63, South Africa is the most unequal country in the world.Why such a high score? Where does it still exist? So who are the Afrikaners? In under 3 minutes, we answer your questions! To listen to the last episodes, you can click here: What is hobby dating? Is breakfast really the most important meal of the day? Is there any truth that

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5:10

Where does the myth of the Loch Ness Monster come from?

Do you really know? ·

2025/09/15

Affectionately known as Nessie, the mythical Loch Ness Monster has been a source of fascination and terror for many centuries. Many sightings have been reported over the years, but no conclusive evidence of its existence has ever been unearthed. Still, there are many believers out there. In late August 2023, the largest Nessie hunt in 50 years took place, organised by the local Loch Ness Exploration research group and bringing together nearly 200 people from places as far afield as Australia, Japan

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5:24

How can I regain energy quickly?

Do you really know? ·

2025/09/15

As the summer holiday season draws to a close, ask yourself this. Did you manage to get as much rest as you would have liked? A lot of people out there would say no. Perhaps their holiday wasn’t actually restful at all, or they didn’t even get a chance to go away. American internal medicine physician Dr. Saundra Dalton-Smith has dedicated a lot of research towards the issue of chronic fatigue. In 2017, she released a book entitled “Sacred Rest”, which would go on to be a bestseller. She asserted

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4:57

What are pick me boys?

Do you really know? ·

2025/09/14

Self-deprecation can be an endearing trait in some people. After all, it’s important not to take oneself too seriously, isn’t it? But when pick me boys, the subject of today’s episode, talk badly about themselves, they do so in a manipulative way, in the hope that it will bring them closer to women they’re attracted to. The term “pick me boy” first emerged on social media in early 2021. According to an Urban Dictionary definition from user Shelmet101, it refers to: “A guy who uses self depreciation

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4:49

What is the two-day rule?

Do you really know? ·

2025/09/14

After enjoying a period of relaxation during the summer, many of us return to studies or work with a desire to develop good habits and a better routine than the previous year. It might be taking up a new sport, cooking healthy meals instead of ordering in or going to bed earlier for example. Just like with New Year’s resolutions, we often stick to them to start with, but let them slip after a few weeks. Today we’re going to talk about a method which may well help you stay on track: the two-day

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5:13

What benefits can we get from journaling?

Do you really know? ·

2025/09/14

According to a 2016 WHO study, 25% of the global population is likely to develop a mental disorder during their lifetime. But of course there are certain habits that we can adopt to diminish that risk, or treat the situation. These include getting counselling, regular physical activity and a proper sleep routine. Another beneficial habit is journaling, or "therapeutic writing”, as it’s also known. A Cambridge University study published in 2018 found that expressive writing about traumatic events

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4:58

What is a testicle bath?

Do you really know? ·

2025/09/13

Still in this day and age, the burden of being responsible for birth control falls mainly on women. You’ve got an almost endless list of reversible female methods, such as the pill, coil, vaginal ring and the implant, with new ones never ceasing to emerge. On the other hand, when it comes to male contraceptives, the options out there are pretty limited. Mentalities are evolving but there is little communication on the subject. That’s despite trials on the male pill having been carried out as you

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4:37

What is ‘Girl Dinner’?

Do you really know? ·

2025/09/13

Girl Dinner is a TikTok phenomena though you would be hard pressed to find any recipes as it is more of a style of eating than anything specific. It’s a term used to describe a meal that consists of random snacks or leftovers, for example, you might have some cheese and crackers, a handful of grapes, a glass of wine and a few pickles for your ‘girl dinner’. Or maybe you just have some popcorn and a diet soda. Or maybe you just go to bed without eating anything at all. That’s also girl

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4:43

What is fatphobia?

Do you really know? ·

2025/09/13

Being overweight is a stigma. While around 13% of the world’s population are obese, they are largely absent from the public limelight and often find themselves the target of mockery or discrimination. Overweight people are humiliated and ostracised throughout their lives, having to put up with regular criticisms about their lifestyle and appearance. This is what’s known as fatphobia, a form of discrimination which can have a harmful effect on those on the receiving end. Fatphobia is often left out

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5:41

How quick is premature ejaculation?

Do you really know? ·

2025/09/12

According to the British Association of Urinological Surgeons, somewhere between 20 and 30% of men experience premature ejaculation. But of those men, less than a quarter actually seek medical advice. That’s despite it being an issue that often takes a toll psychologically on the man and the relationship they have with their partner. If it's always been an issue, it's termed primary premature ejaculation; whereas if it occurs after a period of normal ejaculation, it's called "secondary." And

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4:43

How can you clean your hair without using shampoo?

Do you really know? ·

2025/09/12

You might think that shampoo is essential for keeping your hair clean and healthy, but there are other ways to wash your hair that don’t involve harsh chemicals or plastic bottles. In fact, some people claim that ditching shampoo altogether can make your hair softer, shinier, and more manageable. Why do we use shampoo in the first place? So, how can you clean your hair without using shampoo? What are the advantages of shampoo? In under 3 minutes, we answer your questions! To listen to the last

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5:31

What is Focus Friday?

Do you really know? ·

2025/09/12

Let's be honest: being productive at work on Fridays can be a real challenge. A 2019 study by Accountemps found that Friday was the least common choice for American workers when naming their most productive day of the week. The slump is likely down to having worked hard over the first four days of the week, as well as thinking ahead to the weekend. What’s more, your colleagues are in the same frame of mind too. But in recent years, a method has emerged to combat this phenomenon and potentially turn

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5:20

Does money really make us happy?

Do you really know? ·

2025/09/11

According to a 2014 study by the Pew Research Center, people in wealthier countries are happier on average, but only up to a point. Even in so-called "emerging" countries like Indonesia, Pakistan and Turkey, there was a correlation between rising wealth levels and the percentage of happy people.Interestingly though, in well-off nations, people don't necessarily attribute their happiness directly to money. The same Pew Research Center study found that health, children’s education, safety from

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4:40

Does sleeping next to someone improve sleep quality?

Do you really know? ·

2025/09/11

Have you ever cursed your luck at having a partner who snores, or spends the whole night tossing and turning in bed? It can be tempting to consider abandoning them to go and sleep on the sofa instead. Evidence suggests that sleeping next to someone does indeed have a pretty significant impact on adults’ sleep, whether that’s a partner, family member or even a pet. Researchers from the University of Arizona looked into the matter, and published the results of their study in Sleep journal in June

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5:10

Why is the BRICS bloc expanding?

Do you really know? ·

2025/09/11

During the 15th annual BRICS summit in Johannesburg in 2023, the South African President Cyril Ramaphosa announced that 6 new member countries would be joining the bloc in 2024. Historically composed by Brazil, Russia, India and China, the BRICS countries control a significant amount of natural resources, making it a key actor in the world. They started to organize summits as an intergovernmental organisation in 2009 and the annual summits have taken place ever since. But if they are already so

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5:02

Which foods mustn't you put in the microwave?

Do you really know? ·

2025/09/10

The microwave first emerged in the 1950s and has since become a common fixture in kitchens worldwide. 2018 data from Statista showed that 93% of UK household now own a microwave, with that figure also being over 90% in the United States according to the US Bureau of Labor Statistics. Love it or hate it; you can’t deny that it’s hard to beat the microwave for convenience when it comes to quickly reheating food. It operates using the principle of electromagnetic wave radiation, by agitating the

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5:26

Are micro naps actually effective?

Do you really know? ·

2025/09/10

After lunch, many of us get that familiar afternoon slump, an overwhelming urge to just doze off for a little while.And on weekends or during holidays, it’s easy enough to sneak in a short nap. But at work, it’s another story. Firstly, it simply wouldn’t be practical in a lot of work environments, and even if it was, would you really dare to go for a kip in the middle of the work day? You might be afraid of incurring the wrath of your boss, or giving your colleagues the impression that you’re a

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5:05

What is climate shadow, the newest way to measure...

Do you really know? ·

2025/09/10

The idea of carbon footprint dates back to the early 2000s and ironically was introduced by oil giant BP. But recently, a new concept was created: the climate change shadow. It's a relatively recent addition to the ever growing list of terms relating to climate change. American writer Emma Pattee introduced the idea of the climate shadow in a blog post for Mic.com in December 2021, as a more comprehensive metric for each person’s impact on the climate crisis. What exactly contributes to my

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5:38

What advantages does pretty privilege give attractive...

Do you really know? ·

2025/09/09

Of course, as the old saying goes, beauty is in the eye of the beholder, but even as children we all kind of realise who’s seen as physically attractive and who isn’t, don’t we? Let’s take a moment to consider that the global beauty industry was worth $430bn in 2022, according to a report from McKinsey. That was up from $300 bn in 2015, with projections suggesting the $500bn mark would be reached by 2025. If people are spending all that money on skincare, fragrance, makeup and haircare, it must

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