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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

5:46

What is white privilege?

Do you really know? ·

2026/01/06

Like a lot of things, the concept of white privilege comes from the USA. It means that simply being white gives a person additional benefits or rights compared to those of other skin colours. The notion has increasingly been brought into the spotlight in recent years by movements like Black Lives Matter, who campaign for greater racial equality all over the world. White privilege is now a commonly used term in the rhetoric of antiracist groups, both online and offline. Do white people have still

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5:18

What is the romance gap?

Do you really know? ·

2026/01/05

There’s certainly been a lot of progress in breaking down gender roles since the turn of the century, but still traditional expectations persist in the heteronormative dating world. Ladies, have you wondered how many texts it's acceptable to send a guy in a day, or whether using a heart emoji is too much? Gentlemen, do you feel pressure to make the first move, asking a girl out and then initiating the first kiss? If that sounds familiar, then you've most likely experienced what’s known as the

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4:30

What is the butterfly effect and how does it affect...

Do you really know? ·

2026/01/05

The butterfly effect is the idea that a small change in one part of the world can have huge consequences in another. It is often used as a metaphor for how our actions can shape the future in unpredictable ways. The term was coined by the American mathematician and meteorologist Edward Lorenz, who was studying the behavior of weather systems. He discovered that even tiny variations in the initial conditions of a weather model could lead to vastly different outcomes over time. He illustrated this

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5:40

What are the best natural remedies for insomnia?

Do you really know? ·

2026/01/05

Not being able to fall asleep at night can be incredibly frustrating. You’re tossing and turning, exhausted but unable to drift off. If this sounds familiar, you’re not alone—millions of people struggle with insomnia, making it difficult to get through the next day. While medication is an option, experts often recommend non-drug approaches as the most effective solutions. Light therapy, weighted blankets, and natural remedies like valerian tea or chamomile essential oils can all help improve sleep

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5:07

Is the five second rule a real thing?

Do you really know? ·

2026/01/04

How do you react when a piece of food you’re eating falls to the floor? Some people would throw it away in disgust, while others would still eat it, perhaps after rinsing it under water or blowing on it. Of course, there’s those that abide by the five second rule. That’s the popular belief that suggests any food is still fit for consumption as long as it hasn’t been on the floor for longer than five seconds.So does the time a piece of food spends on the ground affect how likely it is to be

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4:41

Why are my ears ringing?

Do you really know? ·

2026/01/04

It’s not uncommon to hear ringing, buzzing, humming or hissing sounds that can’t be heard by anyone else. The medical term for these symptoms is tinnitus. The sounds may affect both ears, or just one. If you’re lucky, they’re a temporary or intermittent problem, but for some people they can be more severe, affecting their daily lives. 2019 figures from the British Tinnitus Association suggested that persistent tinnitus affects 1 in 8 people. Occasional ringing in the ears is nothing to worry

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4:34

Does a 'lifetime guarantee' really mean for life?

Do you really know? ·

2026/01/04

In this age of responsible and measured consumption, we’re tending to turn more and more towards products with a long lifespan and a good guarantee. In fact, you’ve probably already seen this on a cast-iron saucepan, a bicycle or even household appliances, promising a lifetime guarantee. But the terms and conditions of this promise are not always very clear. Therefore, it’s important to understand the difference between a genuine and a fake lifetime guarantee, and how to spot the signs of trust and

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5:20

What happens to our bodies when we do Dry January?

Do you really know? ·

2026/01/03

You’re most likely familiar with the concept of Dry January, which started out in the UK in 2013 and has since become hugely popular. It involves not consuming a single drop of alcohol for the whole month of January. In 2022, record participation numbers were recorded, with over 130,000 people signing up with Alcohol Change to take part. On average, British people drink 9.8 litres of pure alcohol per year, according to figures released by the OECD in 2021. Right from the first few hours of cutting

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5:09

Which foods shouldn't be eaten together?

Do you really know? ·

2026/01/03

Avoiding weight gain is just so difficult sometimes, isn’t it? It’s not enough to eat only healthy foods, you also have to combine those healthy foods in the right way. That’s because when we eat different types of foods together, they interact with each other in our digestive system. Depending on their characteristics, some foods get digested faster than others. What can happen to our bodies if we combine the 'wrong' foods? And which are the worst combinations? In under 3 minutes, we answer your

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5:21

Is sleeping with my phone dangerous ?

Do you really know? ·

2026/01/03

Smartphones only really entered our lives within the last 10 to 15 years, but they’ve since become indispensable. And it can even be hard to put them down when nighttime falls. According to Reviews.org, 60% of Americans sleep with their phone at night. How about you? You may think that having your phone next to you in bed is harmless, or even helpful. But did you know that sleeping with your phone can actually have negative effects on your health and well-being? Don’t mobile phones emit dangerous

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4:46

What are umbrella species?

Do you really know? ·

2026/01/02

Within an ecosystem there are many different species, and it can be difficult for conservationists to come up with specific strategies to protect every single one of them. That’s why some have started focusing on umbrella species, because of the benefits that protecting them has for other co-occurring species.It’s as if they’re putting an umbrella over the entire surrounding ecosystem. They help conservationists select locations for reserves, establish the minimum size, and to generally better

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4:55

Why does time go by faster with age?

Do you really know? ·

2026/01/02

Do you remember how as a kid, it would always seem like an eternity waiting for Christmas or your birthday to come around? But having reached adulthood, it seems like the years just fly by. It’s a funny thing, but as we get older, time simply seems to go by quicker. Of course in reality the passage of time doesn’t change at all. But it’s been established that our perception of time passing is altered as we age. In recent years, American mechanical engineering professor Adrian Bejan came up with a

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4:14

What's the best time of day to have sex?

Do you really know? ·

2026/01/01

Over the years, many surveys have looked into what time of day people say they most enjoy having sex, but the findings have varied drastically. For instance, one run by CBD brand Naturecan in 2023 found that the most satisfying time was 7:30 a.m., with two-thirds of the Brits surveyed preferring morning sex to night-time sex. But more recently, lingerie brand Pour Moi pinpointed 10:09pm on Saturday as the “sexiest time of the week”, after surveying 2,000 sexually active adults from the UK, Ireland,

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5:26

Why does the year begin on January 1st?

Do you really know? ·

2026/01/01

As we embrace resolutions and light up the skies with fireworks, it's time to mark the arrival of the New Year! All of us on the Do You Really Know team, hoping you soaked in the holiday vibes and send you our warm wishes for a splendid 2024. Today, planet Earth has set off on another full orbit around the sun, a journey which will span 365 days until we hit the reset button again next year. And that's why we now refer to January 1st as New Year's Day. But bear in mind, that wasn't always the

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4:33

How can I sleep well with a blocked nose?

Do you really know? ·

2026/01/01

It’s not uncommon for rhinoviruses to resurface during the spring and autumn seasons. They’re the main cause of the common cold. At the same time, spring also brings increased pollen circulation, leading to hay fever symptoms which are very similar to those of a viral cold.Having a blocked nose can be particularly bothersome, what with having to blow your nose every two minutes, sneezing, having a sore throat and sometimes getting a fever. Most of the time, all you want to do is rest. But that’s

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5:04

Why are there more single people than ever before?

Do you really know? ·

2025/12/31

In the 2020s, we’re living in an era where there's never been more different ways to find a new partner. For a start, just think of all the dating apps out there, of every kind imaginable. Combined, they’re used by over 11 million people in the UK, according to Statista. Even hobby apps like Strava and Goodreads have become a common way of finding someone to date! How do you explain that then? Are dating apps the only reason for this trend? Has the general perception of being single changed over

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4:13

Why is going to the cinema so romantic?

Do you really know? ·

2025/12/31

As date night options go, the cinema is a timeless classic which can be both fun and romantic. Even in the age of “Netflix and chill”, there’s an appeal to the immersive experience you can only get watching a film on the big screen. So if you’re wondering what to do this Valentine’s Day, why not book a cinema visit? You may not be having a conversation, but you can interpret body language. If it’s a first date, and they’re on their phone all the time, that might be off putting. If your date is

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5:26

Could the Pomodoro technique help me work better ?

Do you really know? ·

2025/12/31

Do you ever feel like time is slipping through your fingers? That you had several hours to complete one or two simple tasks, but you didn't notice the clock ticking away? The problem might stem from poor time management or a tendency to procrastinate. It could also result from an inability to isolate yourself from sources of distraction. Let’s delve into a productivity strategy that could potentially revolutionise the way you work: the Pomodoro technique. Where does the name come from? How does

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4:36

Why are mini animals so popular?

Do you really know? ·

2025/12/30

In late March 2024, french actor Pierre Niney took to TikTok to reveal his newest love affair—not with a co-star, but with an adorable miniature donkey he’s recently adopted. The allure of miniature animals is multifaceted. For starters, social media is awash with their antics, sparking a growing fascination with owning one. Moreover, these videos suggest that you can enjoy the perks of farm life without owning a sprawling farm. Why the Sudden Craze for Miniature Animals? So what's the problem

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5:30

What is Stendhal syndrome?

Do you really know? ·

2025/12/30

What is Stendhal syndrome? Stendhal’s syndrome is a rare and unusual psychological disorder. It’s a psychosomatic condition whereby certain people suffer from a rapid heartbeat, fainting or even hallucinations, when exposed to objects or works of art of great beauty. The condition takes its name from a famous French writer who experienced a similar state of intense emotion upon visiting Rome, Naples and Florence. Stendhal wrote about his visit to Florence’s Santa Croce Basilica in a book entitled

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