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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

5:05

What is domotics, the technology behind smart homes?

Do you really know? ·

2025/08/19

If you’ve ever had a “conversation” with Siri, Google Assistant or Alexa, you may well have been using a domotics system, without necessarily knowing what that means. The term refers to the use of robotic technology and electronic systems for controlling home appliances and devices. It’s also known as home automation, or simply a “smart home”. And indeed the use of smart home devices has really taken off in the last decade or so. Devices like smart thermostats, security systems, intelligent lights

en

5:10

Is it a good idea to sleep with my pet?

Do you really know? ·

2025/08/18

If you have ever slept with a cat or a dog, you know how cozy it can be. Whether they are at the foot of the bed or on the duvet, pets can make you feel safe and comforted like a plush toy. According to the UK Pet Food Manufacturers Association, 62% of households in the country own a pet, including 13 million dogs and 12 million cats. But are there health risks when you share your bed with a furry friend? Studies have different opinions on the matter. Let’s investigate. What evidence is there on

en

5:21

Why do web addresses start with www?

Do you really know? ·

2025/08/18

You might be surprised to learn that the famous “www” in website addresses didn’t originate in Silicon Valley or New York, but at the European Organisation for Nuclear Research, known as CERN for short, which is situated on the French-Swiss border close to Geneva. It was 1989 when British computer scientist Tim Berners-Lee came up with the idea for a hypertext system. Essentially, it was a way to connect different pieces of data through links, creating something like a giant web that would work

en

5:05

How do you explain intuition?

Do you really know? ·

2025/08/18

We've all experienced those gut feelings, hunches, or flashes of insight that seem to come from nowhere. But what exactly is intuition, and can it be explained? Even though scientists haven't yet unraveled all of its secrets, intuition isn’t as mysterious as we might think. One expert definition of intuition says that it is: "the universal ability to grasp information in a non-conventional way, outside of a rational and reasoned process.” It’s the kind of intimate knowledge of reality that doesn't

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5:20

What are the best techniques for giving oral sex to a...

Do you really know? ·

2025/08/17

Society tends to make sex all about penetration, but it really doesn’t have to be that way. Giving your partner oral sex can be an invigorating experience on its own. Women often like to joke that men don’t know what they’re doing when they go down, so with that in mind let’s discuss some tips for giving your partner the pleasure they deserve. You have to know that every vulva is unique, and there isn’t a one-size-fits-all guide to pleasure and enjoyment. You really need to be curious and

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5:27

How can I cut my summer holiday spending?

Do you really know? ·

2025/08/17

According to comparison website Finder.com, UK residents plan to spend an average of over £2100 on holidays abroad in the year 2023. Spending abroad has bounced back to pre-pandemic levels, having plummeted in 2020 and 2021, when travel restrictions were in place. Still, while many of us are making up for lost time when it comes to holidays, there’s also the small matter of a cost of living crisis to deal with. Thankfully there are some ways in which you can satisfy your holiday needs without

en

4:34

How can you improve your memory and recall skills?

Do you really know? ·

2025/08/17

Memory is the ability to store and retrieve information, and recall is the process of accessing that information when needed. Both are essential for learning, problem-solving, and decision-making, but they can also decline with age, stress, or illness. But there are ways to naturally boost your memory and recall skills. How can I focus my attention better? How can I structure and organise the information I want to remember? What else can I do to help? In under 3 minutes, we answer your

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5:28

Why don't scars disappear?

Do you really know? ·

2025/08/16

When our skin is cut or damaged, the body immediately starts its healing process to close the wound and limit any risk of infection. It’s a wonderful and fascinating process, but nevertheless scars still remain on the skin afterwards. They can be unsightly and visible too, depending on their location, leading to self-consciousness. There are several stages, with the first being hemostasis. Immediately after we get a cut, blood platelets come together to form a blood clot, in order to stop the

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5:27

Why do we get travel sick?

Do you really know? ·

2025/08/16

During summer holidays, many of us experience the discomfort of motion sickness while travelling by car, coach, plane, or boat. motion sickness is Also known as kinetosis and it’s particularly common in children but can also affect a lot of adults. According to the US government’s Medline Plus portal, one in three people are prone to it. Symptoms include paleness, cold sweats, dizziness, a feeling of discomfort in the upper stomach, nausea, and headaches. If you’re affected, no doubt some of those

en

4:47

Is Bedrotting bad for your health?

Do you really know? ·

2025/08/16

Whether it’s reading, journaling, enjoying breakfast, or scrolling through social media, these are just a few activities people indulge in while lounging in bed. For some, this has evolved into an art form, popularized by a viral TikTok trend known as “bed rotting.” This habit embodies a laid-back attitude, where productivity and responsibilities are momentarily cast aside in favor of a few minutes or hours of procrastination. Eleanor McGlinchey, a sleep psychologist at Manhattan Therapy Collective

en

4:56

Can I reuse sunscreen from one year to the next?

Do you really know? ·

2025/08/15

Sunscreen is essential when on holiday, and in the summer in general. But it doesn’t come cheap, and often the contents aren’t fully used by the time the holiday is over. It’s tempting to reuse bottles from one year to the next, to save money and reduce waste. What many people don’t know though is whether sunscreen remains effective once it’s been opened, or whether using an out-of-date product is dangerous. How can I tell if my sunscreen has expired? What are the risks of using out-of-date

en

5:54

What are the world's least safe travel destinations?

Do you really know? ·

2025/08/15

In past episodes of Do You Really Know, we’ve talked about the best holiday destinations in the UK and abroad, as well as how to find the most budget-friendly options. Today though, we’re going to talk about security. The idea of visiting many countries all over the world is enticing, but it's important to remember that some destinations are significantly more dangerous than others. Rather than making decisions based on intuition, why not consider using guidance that’s actually based on facts and

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5:06

What is sea snot?

Do you really know? ·

2025/08/15

In the last few weeks, a thick and foul-smelling foam known as mucilage has appeared in the Marmara Sea on Turkey’s northwestern coast. It’s been unofficially dubbed sea snot by observers, which might sound like a name invented on a school playground. But there’s nothing funny about the environmental impact of this outbreak, which is a result of global warming and pollution. How does this sea snot actually develop? Is this the first time the Marmara Sea has been impacted by sea snot? Do we know

en

5:14

How is AI being used in the legal system?

Do you really know? ·

2025/08/14

ChatGPT has been invading all walks of life in recent months, and that even includes the justice system. In late March 2023, a Pakistani judge consulted the chatbot before granting bail to a 13 year old boy who stood accused of kidnapping and attempting to rape a 9 year old. According to Pakistan Observer, the judge asked ChatGPT the following initial question: ““Can a juvenile suspect in Pakistan, who is 13 years old, be granted bail after arrest?” The chatbot responded: “Under the Juvenile

en

5:21

How can I relax my brain while on holiday?

Do you really know? ·

2025/08/14

Whether you're lounging on a beach, exploring a new city, or simply taking a break from your daily routine, finding ways to calm your mind while on holiday is really important for our mental and physical health. We often promise ourselves we’re going to disconnect from day one, but it's not as simple as that. After all, when we’re at work our brains are constantly processing information, making decisions, solving problems, and dealing with stress. And we don’t just have an on-off switch allowing

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5:12

How can I stop micro-awakenings from disrupting my...

Do you really know? ·

2025/08/14

According to a Direct Line Group study from 2022, over 70% of UK adults don’t get the recommended 7-9 hours of sleep per night. Nighttime micro-awakenings are a common contributing problem. For many of us, they happen four to six times per night without us even noticing. And they usually just mark the end of a sleep cycle. But they’re more common in some people, and can be down to various factors like anxiety, mental hyperactivity, asthma, acid reflux, or arthritis. The effects of caffeine, tea,

en

4:29

Could I save more money by cash stuffing?

Do you really know? ·

2025/08/13

With inflation at the highest it’s been in 45 years, it’s no wonder people are looking for ways to manage their money more effectively. And the trend we’re talking about today has really taken off on Tiktok since the start of the year. The #cashstuffing hashtag had already reached 1 billion views on the platform at the time of recording. There’s actually nothing new about cash stuffing; in many ways it’s as if we were going back in time a few decades to when bank cards didn’t exist. It consists of

en

4:39

Why can't Royals take selfies ?

Do you really know? ·

2025/08/13

If you ever meet a member of the royal family, you might be tempted to ask them for a selfie or an autograph but don’t be surprised if they politely decline. There are some good reasons why royals don’t take selfies or give autographs as well as a whole host of other rather unusual protocols that they must adhere to. Royals are often surrounded by crowds of people who want to see them or talk to them. Signing autographs or taking selfies could expose them to potential threats or harm. Also it

en

4:47

How much money makes you happy?

Do you really know? ·

2025/08/13

Money can buy a lot, but can it buy happiness? This is a question that philosophers, economists, scientists and storytellers have puzzled over for some time; and if it can, then does more money make you even happier? According to Prof Jan-Emmanuel De Neve, director at the University of Oxford Wellbeing Research Centre there is a definite link between money and happiness, especially at the bottom of the pay scale. So for example someone earning £20,000 who moved to £40,000 would experience

en

5:07

How do sim swapping scams work?

Do you really know? ·

2025/08/12

Most of us have our smartphones on our person more or less all day, every day. Our photos, payment methods and a lot of personal data are stored on them. So we’re all wary of the risk of having them stolen when out in public. But did you know there’s another way someone can take control of your phone line without you even losing the device? It’s called sim swapping and while it’s not new, it’s been on the rise in recent years. According to the FBI, Americans lost a combined $68M to sim swapping

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3,291 results

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