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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

5:16

Which foods will help you get a good night's sleep?

Do you really know? ·

2025/11/15

Here at Do You Really Know, we’ve talked over and over again about the importance of getting good quality sleep. So of course, you don’t want your evening meal to disrupt it, and that’s a cause of uncertainty for many people.Bear in mind that to drift off to sleep, your body temperature needs to gradually drop. Given that digestion tends to raise our body temperature, that poses quite the conundrum. Now, the richer the meal or the heavier the food you eat, the longer it takes to be digested, which

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4:48

Why do we get goosebumps?

Do you really know? ·

2025/11/15

The term goose bumps appeared way back in the 17th century, and describes the well-known phenomenon which shows up when we’re cold, scared or simply feeling strong emotions. For example, going out underdressed in winter, hearing the sound of fingernails on a chalkboard, or watching a horror film. Yes, indeed it can seem rather odd, but just like everything our bodies do, there’s a very logical explanation as to why they exist. Goosebumps are caused by the contraction of small muscles which are

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5:00

What is a caffè sospeso?

Do you really know? ·

2025/11/15

Caffè sospeso literally translates to English as a ‘suspended coffee’. It’s an Italian tradition whereby cafe customers pay for an extra coffee that will be put aside, for a poor person to claim at a later time. The caffè sospeso idea can be extended to other types of food, and it’s seen a revival in popularity during the Covid-19 pandemic. It’s believed the caffè sospeso tradition was born in Naples’ historic Gambrinus café, around the start of the 20th century. Is it only the Italians who are

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4:43

Gaza: how do we recognize genocide?

Do you really know? ·

2025/11/14

Since October 7, 2023, Israel has waged an unprecedented offensive on Gaza. What began as retaliation against Hamas attacks has escalated into relentless violence. According to Statista, by July 30, 2025, more than 60,000 Palestinians had been killed by Israeli bombardments, including over 18,000 children. As early as November 2023, UN rapporteurs, NGOs, and lawyers warned that Israel’s actions amounted to genocide, an accusation Israel and its allies reject. What does the term genocide mean? How

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4:33

Should vapes have the same restrictions as cigarettes?

Do you really know? ·

2025/11/14

In the UK you can only buy vapes or e-cigarettes if you are over 18, but the bright packaging, fruit flavors and affordable prices attracts teenagers who often use disposable single-use products like Elf and Geek bars. Now campaigners are calling for tighter restrictions on vapes to bring them more into line with cigarettes. The Local Government Association (LGA), which represents councils in England, is asking for vapes to adhere to the same rules as cigarettes. This would mean they would have to

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4:48

Can you get food poisoning from raw fish?

Do you really know? ·

2025/11/14

Eating raw fish like sushi and sashimi has never been more popular, whether that’s in restaurants or on supermarket shelves. The good news is that such dishes are rich in fatty acids and vitamins from the A, D, and E groups, which brings a host of health benefits. But on the flipside, they can also be sources of contamination. It’s mostly down to improper handling and storage at seafood markets, or cross-contamination. Some fish caught from polluted waters may contain toxins. It’s important to

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4:36

Is sleeping naked good for you?

Do you really know? ·

2025/11/13

According to a YouGov study from 2022, 20% of Brits sleep naked. Men are actually more likely to do so than women, with a rate of 25% compared to 15%. And those who do so tend to talk up the health benefits. For example, science suggests that sleeping naked might help regulate your body temperature more effectively. Our bodies naturally fluctuate throughout the night, and wearing heavy pajamas can interfere with this process. What are the other advantages? Won't I get cold if I sleep naked? In

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5:28

Why do we need to get bored more often?

Do you really know? ·

2025/11/13

In this day and age, we barely have time to be bored, what with the endless stream of notifications coming from our smartphones, music, TV shows, games, work and social media all demanding our attention around the clock. Our brains have become addicted to constant stimulation. And as a result, doing nothing has become almost unbearable. But there are actually benefits to getting bored, which is what we’re going to talk about today. Why do we so hate being bored? If it’s so unpleasant then, why

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4:43

How can I reduce damp and mould in your home?

Do you really know? ·

2025/11/13

According to Dr Yasemin Didem Aktas, deputy academic director of the UK Centre for Moisture in Buildings (UKCMB), “Mould is everywhere, all the time,” this is because the UK is a pretty wet country and so some level of mould, particularly in damp places like bathrooms or windows is to be expected. However it is how we manage the mould and prevent it building up into dangerous levels that is important. If you notice patches of mould on walls or ceilings then it's time to do something to stop spores

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5:17

What does my urine colour say about my health?

Do you really know? ·

2025/11/13

Over the course of our lifetime, we around 34,000 litres of urine, according to Business Insider. Urine evacuates the nitrogen-containing waste produced by the organs and expelled into the blood, like urea and uric acid for example. It's also made up of water and mineral salts. It tends to be a clear shade of yellow, ranging from pale to dark at different times of the day. Nevertheless, our pee can come in as many as ten different shades, which can on occasion lead to unpleasant surprises when

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5:24

Is nostalgia good or bad for us?

Do you really know? ·

2025/11/12

Have you ever noticed how revisiting films from your childhood, listening to old tunes, or flipping through cherished books can bring on a certain sense of solace. Your past is intricately woven into your present; it shapes who you are and influences the person you go on to become. With its comforting embrace of fond memories, nostalgia seems to breathe new life into past moments, giving us a boost. What actually happens in our brains when we get nostalgic then? Is nostalgia always good for us

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5:34

What happens to our bodies when we die?

Do you really know? ·

2025/11/12

In 2016, researchers in Vancouver, Canada observed an unprecedented phenomenon: an 87-year-old patient died while undergoing an MRI scan. It was the first ever recording of the brain activity of a human being at the moment of death. After all, death is a topic that remains shrouded in mystery. What are the physical stages of death then? Does the body really shut down all at once then? In under 3 minutes, we answer your questions! To listen to the latest episodes, click here: Do I really need to

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4:55

What is sad nipple syndrome?

Do you really know? ·

2025/11/12

The nipples are an erogenous zone for many people. But as it turns out, having them touched can bring on a whole other kind of feeling for others. The so-called sad nipple syndrome has been discussed more openly on Reddit and Tiktok in the last few years, raising awareness. But it still remains somewhat of a mystery. It refers to a wave of negative emotions on a person when their nipples are touched, or come into contact with clothing that’s too tight. It seems to be more common in women, but there

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5:16

What is coffee badging in the workplace?

Do you really know? ·

2025/11/11

It doesn’t take a genius to realise that the COVID-19 pandemic changed the relationship many white-collar employees have with work. And that’s particularly true when it comes to remote work; which some of them now see as a non-negotiable. And a lot of other employees have made it clear they don’t want to return to full-time office life. Nevertheless, many CEOs were keen to get their staff back into the office once the pandemic started to ease. Some companies ended up coming to hybrid arrangements

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4:35

What is house hushing?

Do you really know? ·

2025/11/11

House hushing is a decluttering method that aims to create peaceful spaces in your home by reducing visual noise. Visual noise refers to anything excessive, jarring, or inharmonious in your environment, such as clutter, mismatched colors, or loud patterns. According to interiors blogger Myquillin Smith of The Nester, "Everything in your room has a voice… taking up visual, physical and even emotional space. Quieting your space removes all those voices in a room at once." Why is house hushing

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5:28

What is intuitive eating?

Do you really know? ·

2025/11/11

An IPSOS study from late 2020 found that 45% of people across the world were trying to lose weight at the time. In many cases, losing weight is beneficial for health, but a lot of the time, people want to achieve unrealistic body images which are projected by the media as being ideal. Of course, a popular way of doing so is by dieting, but the subject of today’s episode is pretty much the opposite of a traditional diet. Advocates of intuitive eating say that not only are diets not necessarily

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4:31

How can I use the 80/20 method to save money?

Do you really know? ·

2025/11/10

If you’re like many people, you probably want to save more money but hate the idea of budgeting. Maybe you don’t like tracking every single expense or feeling restricted by spending categories. Maybe you just want a simple and flexible way to manage your money without too much hassle. That’s where the 80/20 method comes in. Also known as the anti-budget or the “pay yourself first” budget, it’s a simple approach to saving money that doesn’t require a lot of maths or planning. It works by dividing

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5:25

What is Ulysses Syndrome?

Do you really know? ·

2025/11/10

You may remember hearing about ancient Greek hero Ulysses in school lessons. He’s the central character in Homer’s Odyssey. As legend goes, after fighting for a decade in the Trojan war, Ulysses wandered the world for another 10 years to get back home to his wife and son. On his enforced travels, Ulysses suffered danger, adversity and loneliness throughout. Spanish psychiatrist Joseba Achotegui saw similarities in the plight of modern-day migrants. In 2003, he came up with the term ‘Ulysses

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5:07

What causes lactose intolerance?

Do you really know? ·

2025/11/10

It's becoming a more common topic of discussion. According to BUPA.co.uk, “around one in every 10 older children and adults are thought to have lactose intolerance”. It might be thought of as a disease by some, but in fact it’s quite the opposite. Lactose intolerance is due to a natural process, which sees people’s bodies produce less of an enzyme called lactase as they age. Lactose is a natural sugar found in all mammalian milks, including cow's, sheep's, mare's, and even human breast milk. It's

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5:06

How can I beat my work addiction ?

Do you really know? ·

2025/11/09

Being a grafter or hustler is often portrayed in a positive light when it comes to the world of work. But there are a host of negative consequences that can arise when a person becomes a workaholic. The term was invented by American psychologist Wayne Oates back in 1971.Oates said workaholics had “an uncontrollable need to work incessantly”, and called it an addiction. It’s a real mental health condition, and like with other addictions, it manifests as the inability to stop doing something. So it

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