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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

5:27

What is attachment theory?

Do you really know? ·

2025/07/28

Each of us has our own unique experience of social bonds, influenced by our childhood, previous relationships, and personality. And there’s actually a psychological theory that helps explain how we experience our relationships: attachment theory. In psychology, attachment is the strong bond between an individual and an "attachment figure." In most cases, our first attachment figure is the parent who takes care of us by meeting our needs from birth. Later on, the bond can become reciprocal between

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4:54

Why am I getting bags and circles under my eyes?

Do you really know? ·

2025/07/27

Nobody likes getting up in the morning and looking in the mirror to find dreary bags and circles under their eyes. It can make you look tired and lower your self-confidence as you head to work, feeling like a zombie. But it’s more than just an aesthetic issue. More often than not, it’s an indication of poor health habits, and sometimes a sign of underlying medical conditions. So what actually causes those dreary circles? How worried should you be about seeing bags and circles under your eyes

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4:57

Why is male fertility declining so drastically?

Do you really know? ·

2025/07/27

For 30 years, male sperm counts have been declining all around the world, particularly in Western countries. It’s been demonstrated over and over again by scientific studies. Indeed, research published by Oxford Academic in the Human Reproduction Update journal in 2017 looked at nearly 200 studies on the matter. It found that sperm counts in North America, Europe, Australia and New Zealand had plummeted by 59% from 1973 to 2011. What are the reasons behind this? What can men do to be aware of

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5:11

How can I wake up refreshed every morning?

Do you really know? ·

2025/07/27

Some people believe they simply can’t function in the morning until they’ve had a cup of coffee. Others seem to be grumpy every morning, as if they’ve got out of the wrong side of the bed. Of course, a poor night’s sleep can be the cause, whether it be down to stress, not getting to bed early enough, drinking or other physical conditions like sleep apnea. Psychological factors can also come into play, like a lack of motivation in your job or relationship issues. But sleep quality and mental health

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5:08

Does voluntourism do more harm than good?

Do you really know? ·

2025/07/26

Voluntourism is the practice of volunteering one’s labour to a charitable cause in a developing country, in return for a soul-cleansing, perspective-changing, CV-bolstering experience. Perhaps a bit cynical? But with good reason. Whilst it could be a mutually beneficial redistribution of wealth from the developed world to the developing, voluntourism harbours a dark and exploitative underworld. In 2021, NPR.org reported that the industry was worth an estimated $3 billion per year, according to

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4:53

Can I cure my fear of spiders?

Do you really know? ·

2025/07/26

If just thinking of spiders is enough to make the hairs stand up on the back of your neck, or you jump any time you see one, the chances are you suffer from arachnophobia. It affects up to 15% of people according to the Cleveland Clinic, making it one of the most common phobias out there. As it turns out, human fear of spiders may well be down to evolution. Researchers from Germany, Austria and Sweden looked into the question in more detail for a study published in Frontiers in Psychology in

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4:26

Do I have poor blood circulation?

Do you really know? ·

2025/07/26

If you’ve got heavy legs, nighttime cramps, varicose veins or swelling in the legs, you may have blood flow issues. When you consider that our bodies contain an incredible 60,000 miles worth of blood vessels, it’s really not uncommon. Something like a varicose vein is usually relatively harmless. Other conditions include hemorrhoids, and phlebitis, which is a blood clot in a deep vein. Worse still are varicose ulcers, which are a complication of varicose veins or phlebitis. It’s important to know

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4:54

Why do I attract mosquitoes more than other people?

Do you really know? ·

2025/07/25

Warm summer nights often bring unwelcome guests into our homes in the form of mosquitoes. For now we fortunately don’t have any mosquito-borne diseases being transmitted to humans in the UK, but with the warmer temperatures brought on by climate change, it may only be a matter of time until that changes. You may have noticed that some of us seem to attract more mosquito bites than others, even within the same household or having been at the same gathering. A popular belief is that mosquitoes have

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5:01

How can I keep my exercise eco-friendly?

Do you really know? ·

2025/07/25

It's back to school! Do You Really Know is dedicating a special week to sport. Because moving and doing regular physical activity is important for our physical and mental health! Listen again to our episodes about sport! One of the biggest challenges that we have been facing and will be continuing to face in the coming years is protecting our planet. So it’s worth reflecting on how we can exercise in a more eco-friendly manner. We turn to exercise for leisure, entertainment and to stay fit and

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5:12

What is sex surrogacy, the controversial sex therapy?

Do you really know? ·

2025/07/25

It may be a little taboo to talk about it, but there are a lot of people out there who, for a variety of reasons, don’t have as much sex as they would like, or arguably need. And there’s actually a form of therapy out there which is specifically designed to help people become more comfortable with sex and intimacy. The idea of sex surrogacy started catching on in Europe in the 2000s, and these days it’s actually regulated and even covered by social security in some countries, like Switzerland,

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5:04

Should I quit air travel to save the planet?

Do you really know? ·

2025/07/24

Flying is far from being the most eco-friendly means of transport. Right now it’s responsible for around 2% of global carbon emissions, but that could grow to as high as 16% by 2050.With the notable exception of travel restrictions in the last two years, the airline industry has gradually been transporting more and more passengers for decades now. While that continued growth is impressive, we have to recognise that along with it come certain undesirable effects on the environment. Now that the

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5:02

Why is exercise good for my skin?

Do you really know? ·

2025/07/24

It doesn’t matter which fancy moisturizers or expensive skincare routine you use, nothing quite matches how your skin looks and feels after an intense workout. Just take a look in the mirror after you’ve finished exercising and you’ll likely see smooth skin and a glowing complexion. That’s right, in addition to the positive impact on our physical and mental health, exercise can also improve our skin health. And there are studies out there which have backed it up. For example, biology journal Aging

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5:19

What is space tourism?

Do you really know? ·

2025/07/23

Amazon founder Jeff Bezos stepped down from his position as the company’s CEO to focus on other projects. He’ll remain executive chairman at Amazon but now wants to dedicate more time to other projects, including his space tourism company Blue Origin. Following that surprise announcement, British business magnate Richard Branson also declared his desire to go into space with his company Virgin Galactic. Some have labelled these developments as a new dawn for space tourism. So who’s earning

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5:19

Could summer shading pose a threat to your...

Do you really know? ·

2025/07/23

Summer is here! The sun’s out; you’ve got a week or two off work and the beach and sea are calling. It’s time to relax, soak up some much-needed vitamin D, and why not open the door to new romantic encounters. That’s all well and good if you’re single; but if you’re in a relationship, bear in mind that summer shading is becoming more and more common. It basically means putting a romantic relationship on hold over the summer in order to enjoy a few carefree flings How common is summer shading then

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4:31

Why do I have white spots on my nails?

Do you really know? ·

2025/07/23

To understand where white spots come from, we must first explain how nail growth works.If you’ve ever had white spots on your nails before, you may have been dismissively told that it's down to a lack of calcium or zinc. Basically, some mineral-deficiency. But this popular belief doesn’t really have any basis in fact. According to Healthline, nails grow an average of 3 millimeters per month. Their composition is made up of keratin, a protein, and just 0.03% calcium. So white spots are certainly

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5:08

What is vitamin D?

Do you really know? ·

2025/07/23

This summer, relax and learn with Do You Really Know! It's time to learn all about the concepts, words and expressions that surround the summer season! What is vitamin D? Vitamin D was discovered in 1922 by American biochemist Elmer McCollum, who was nicknamed Dr Vitamin by Time Magazine. He found that cod liver oil could still prevent rickets in rats, despite its vitamin A having been removed. From this observation, he deduced that it contained a different substance which he called vitamin D. A

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4:47

What are the best holiday destinations?

Do you really know? ·

2025/07/22

Everyone has their own expectations when it comes to summer holidays. Regardless, you don't necessarily have to travel far to have a good time. At least, that's what 31% of British people think, according to research from TripAdvisor. That’s the proportion of people who plan to holiday exclusively in the UK this year. But for others, going on holiday is all about turning dreams of exotic destinations into a reality. Let's discuss some of the top domestic and international destinations for

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4:48

How does the "Scully Effect" raise young women's...

Do you really know? ·

2025/07/22

The musical film The Little Mermaid was released in cinemas on 24 May 2023. This movie highlights the importance of representations in the media. This effect has a name: the Scully Effect. The combination made for an unprecedented representation of women on TV at the time, with audiences far more accustomed to seeing scientists played by white men. The fields of Science, Technology, Engineering and Mathematics are grouped together under the name of STEM professions. And Dana Scully was one of the

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4:52

Is binge drinking over in the UK?

Do you really know? ·

2025/07/22

Binge drinking is defined as consuming 5 or more drinks for a man, or 4 or more drinks for a woman, in about 2 hours, and the UK has a rather notorious reputation for drinking to excess, especially when abroad. But according to a 2022 survey from Drinkaware, 26 % so nearly a third of 16 to 24-year-olds in the UK are now completely teetotal, meaning they do not drink at all. Add to this that 29% of pub visits and 37% of restaurant visits are also alcohol free. While the non-alcoholic beverage

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4:26

Why are you exhausted after a day in the sun?

Do you really know? ·

2025/07/21

You’d think a day spent lounging on the beach would be the ultimate recharge. No deadlines, no emails, just rest and relaxation. And yet, by the time you head home, you’re wiped out. Not just relaxed, completely drained. It's supposed to be restful, so why does it feel like you’ve just run a marathon in flip-flops?It’s not just the sun, it’s the heat, the humidity, and the work your body puts in to stay cool. Even when you're lying still, your internal systems are hustling to keep your core

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3,326 results

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