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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

5:07

Could "mouth taping" really help me sleep better?

Do you really know? ·

2025/09/24

Mouth taping involves putting tape over your mouth. It's supposed to improve your sleep by forcing you to breathe through your nose rather than your mouth. Regular listeners will be aware that we’ve discussed a number of Tiktok trends on this podcast. Not long ago, we covered the Blackout challenge after it led to the tragic deaths of a number of young children. As of yet the mouth taping trend we’re talking about today thankfully hasn’t claimed any victims, at least as far as our web searches tell

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5:18

What was the Nazis' Madagascar Plan?

Do you really know? ·

2025/09/24

When we talk about the Holocaust, most of us immediately think of death camps like Auschwitz or Dachau, chilling symbols of the Nazis’ “Final Solution”. But before they reached that level of industrialised brutality, the Nazis explored other ways to remove Jews from Europe. One plan, both absurd and terrifying, was to send all Jews to the distant island of Madagascar in the Indian Ocean. How on earth did the Germans come up with that idea? What happened for the plan to take off in 1940? Why didn’t

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4:27

What is jeffing?

Do you really know? ·

2025/09/24

Ever found yourself swearing off sports after a grueling session, plagued by aches and pains, or feeling like you’re always lagging behind? Whether you’re a novice or a seasoned athlete, jeffing might be the solution for you. Developed by American athlete Jeff Galloway in the 1970s, this method aims to keep athletes of all levels in shape without overexertion. How does it work? How can this method be accessible to everyone? How does it boost morale? In under 3 minutes, we answer your

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4:36

How can we live without regrets?

Do you really know? ·

2025/09/23

Philosopher Friedrich Nietzsche, in his work The Joyful Wisdom, explored this through a thought experiment he called the "eternal return." He asked us to imagine: What if you had to live this very life, exactly as it is—every joy, every sorrow, every thought—over and over, for eternity? How would you feel? Would you embrace it? Or, as Nietzsche suspected, would you recoil in horror? Nietzsche believed this reaction reveals a deep-seated struggle many have with regrets and missed opportunities. His

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4:22

Does your name really affect your looks?

Do you really know? ·

2025/09/23

Does your face match your name? Surprisingly, researchers have scientifically proven that an Emma will never resemble a Sophie, or a Jack or an Oliver. They stem from a Franco-Israeli study published in July 2024, a collaboration between HEC Paris and the Hebrew University of Jerusalem. Participants were shown a photograph of a person and asked to choose their first name from four options. How can a first name influence our appearance? What is the Dorian Gray effect? In under 3 minutes, we answer

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4:05

What is Fridgescaping?

Do you really know? ·

2025/09/23

Ever thought about making your fridge as stylish as your wardrobe or living room? Afterall presentation is important. Welcome to the world of fridgescaping, a trend that’s taking TikTok by storm. It’s all about transforming your fridge into a piece of art. Gone are the days of a simple, functional pantry. Now, you can adorn your fridge with beautiful vases, garlands, and even photos. How Does Fridgescaping Work? Why Bother with Fridgescaping? Is It Hygienic? In under 3 minutes, we answer your

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4:39

Who is the richest man in history?

Do you really know? ·

2025/09/22

Elon Musk, Mark Zuckerberg, Jeff Bezos… modern billionaires are in a league of their own. We’re often told that wealth comes from hustle, long hours, and smart decisions. But once you reach billionaire level we’re no longer talking about salaries, bonuses, or promotions. Take Jeff Bezos, for example. As of April 2025, Forbes estimated his fortune at around $236 billion. For comparison, the median salary in the U.S. is about $60,000 a year. So how long would the average American have to work to earn

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4:12

Is it really good to drink coffee every morning?

Do you really know? ·

2025/09/22

If the mere smell of a good cup of coffee is enough to get you out of bed, you might want to rethink your early morning ritual. According to nutritionists, drinking coffee right after waking up can have harmful effects. While you might rely on it to wake you up and give you energy, consuming it this early can actually make you more tired. Isn’t coffee a stimulant? What happens when you drink coffee on an empty stomach? What should you drink in the morning? In under 3 minutes, we answer your

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5:10

Is it better sleeping with or without a pillow?

Do you really know? ·

2025/09/22

We don’t know about you, but some nights we just can’t fall asleep without turning onto our stomach. And when we do, we seem to drift off more easily when not using a pillow. But we do sometimes wonder whether doing that could have any negative health impact. Just like your mattress and bed base, the pillow plays a key role in sleep quality, but it’s often the most overlooked part of our bedding. You see, experts say that a pillow should help keep your spine properly aligned while you sleep,

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4:54

What are some of the world's best treasure hunts?

Do you really know? ·

2025/09/21

After over three decades of relentless searching, the Golden Owl was finally found on October 3, 2024. This €150,000 treasure was hidden back in 1993 by writer Régis Hauser, who took on the pseudonym Max Valentin to publish ‘Sur la trace de la chouette d'or’ ("On the Trail of the Golden Owl"). The book has 11 riddles, each one a clue to the owl’s secret location, setting off what would become the longest-running treasure hunt ever organised. More than 200,000 enthusiasts, known as “chouetteurs,”

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4:13

How can you revitalise your relationship with 3...

Do you really know? ·

2025/09/21

You might or might not be surprised to learn that warm weather naturally enhances the libido. According to a 2022 survey by the Kinsey Institute, 60% of Americans report that spring is the season when they most want to get under the duvet with their partner. It all comes down to hormones. Light and warmth naturally stimulates our serotonin production, a mood-enhancing chemical. Additionally, it also increases testosterone production, a key player in libido. Light also activates the pineal gland,

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5:16

What are the dirtiest objects in your home?

Do you really know? ·

2025/09/21

You might assume that your toilet bowl is the dirtiest place in your flat or house, but in fact that’s pretty far from the truth. Our homes are actually filled with items that are perfect hosts for germs and bacteria, and sometimes it’s the objects you least suspect. For example those in your kitchen or bathroom in particular. According to BBC Food, the domestic kitchen is to blame for a fair share of the 2.4 million cases of food poisoning that occur in the UK each year. What’s the dirtiest item

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5:00

What's the best way to have quick sex?

Do you really know? ·

2025/09/20

A few months ago we ran an episode on how long people have sex for, and referenced an American study from the 2000s which found that the ideal length for most people is between 7 and 13 minutes. Now that’s probably less than what a lot of you might think, but it’s proof that quick sex can often be just as satisfying as a drawn out love-making session. And let’s be honest - often we don’t really have much of a choice. Finding any more than 15 minutes to be intimate with your partner can be a

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4:57

What is reverse ageing?

Do you really know? ·

2025/09/20

In 2021, American multi-millionaire Bryan Johnson began his Project Blueprint. Then 43, his stated aim was to restore his body and organs to the state of an eighteen-year-old. To do this, he follows an extreme fitness program and a strict diet, and takes a whole host of medicines and supplements, not to mention undergoing an organ operation every year. All of this costs around $2M per year. His team of doctors say that the results are promising, but other medical experts are more

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4:56

How do aeroplanes fly?

Do you really know? ·

2025/09/20

Have you ever been on an aeroplane and wondered how on earth a vehicle weighing tens of thousands of kilograms can even take off, let alone stay in the air for hours on end? Well, whatever the type of plane is, the basic principle is pretty much the same. It has to overcome the pull of gravity, the force that draws everything towards Earth’s centre. What does an aeroplane need to fly then? How so? How does speed create lift then? In under 3 minutes, we answer your questions! To listen to the

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5:11

What does the popcorn index teach us about the economy?

Do you really know? ·

2025/09/19

Figuring out how well the economy is doing might seem like the preserve of those working in big accounting firms or financial institutions, dealing with complicated graphs and calculations on a daily basis. But in reality, we’re exposed to certain clues going about our everyday lives, without even realising that they offer insight into our spending habits. An interesting example to look out for is whether people are buying popcorn in your local cinema. What does popcorn have to do with the

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5:35

How does pollution affect my mental health?

Do you really know? ·

2025/09/19

According to the government, air pollution is the “largest environmental risk to public health”, and accounts for between 28,000 and 36,000 deaths each year. But did you know that the air you breathe might be impacting not only your physical health but also your mental well-being? It's the largest environmental risk to public health because harmful pollutants like fine particulate matter, ammonia and nitrogen dioxide get into our bodies, affecting the eyes, nose and throat, heart and blood vessels

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4:39

What are lucid dreams?

Do you really know? ·

2025/09/19

Lucid dreams are dreams in which you become aware that you are dreaming while you are dreaming. This means that you can recognise that the events and characters in your dream are not real, and that you are actually asleep in your bed. Some people can even control their dreams to some extent, and shape them according to their wishes. Imagine being able to fly, visit exotic places, or meet your favourite celebrities in your dreams. But how do lucid dreams happen? And why would you want to have

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4:25

What is a ‘sandwich employee’?

Do you really know? ·

2025/09/18

In our professional lives, just as in our personal ones, we all wear many hats. But how does juggling all those roles make us feel? For some, it can be a fulfilling challenge, while for others, it can lead to burnout and a loss of identity. This is especially true for managers, who often find themselves in the toughest spot. Think about your coworker who’s always balancing the demands of their team and their boss, acting as the go-between for frustrated employees and anxious higher-ups. In today’s

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5:08

Which foods should I avoid after their expiry date?

Do you really know? ·

2025/09/18

Some expired food products are easy to identify, due to an unpleasant smell, mould, swollen packaging or abnormal colour for example. But others show no visible changes in texture, colour, or smell. In such cases, you might well ask yourself if the item is still safe to consume. To begin with, it's important to note that some products don’t expire, as long as they’re stored in the right conditions, as indicated on the packaging. For example, pasta, tinned goods, rice, sugar, flour, coffee, dry

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3,282 results

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