Do you really know?
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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.
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Is holding back a sneeze dangerous?
Whether it's a matter of courtesy or preventing the spread of germs, it's not uncommon for people to hold back a sneeze. When this happens, the interc...
Is it bad to drink water with a meal?
It's often said that drinking water while eating can make the stomach swell, causing bloating. But in reality, there are no studies to back that up. S...
How can I relax my brain while on holiday?
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 ho...
Why is my circadian rhythm so important?
You’ve no doubt heard references to the existence of body clocks, and it’s no surprise because all of our bodily functions are regulated by the circad...
What do I need to know before getting laser eye surgery?
Shortsightedness or myopia affects long distance vision, preventing people from seeing objects over a few yards away. You may remember we covered the...
What is false memory syndrome?
Have you ever been sure about a memory only to be told you’ve got it wrong? It’s a common experience: you confidently recall a detail from the past, o...
Does sleeping next to someone improve sleep quality?
Have you ever cursed your luck at having a partner who snores, or spends the whole night tossing and turning in bed? It can be tempting to consider ab...
Which foods mustn't you put in the microwave?
The microwave first emerged in the 1950s and has since become a common fixture in kitchens worldwide. 2018 data from Statista showed that 93% of UK ho...
How can I overcome my fear of speaking in public?
According to a study conducted by the Statistic Brain Research Institute in 2016, 74% of the global population feels uncomfortable speaking in front o...
Why are celebrities dissolving their facial fillers?
You’ve probably seen the photos of stars like Courteney Cox or Simon Cowell, who have recently revealed a more natural look after removing their facia...
What are the dirtiest objects in your home?
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 ho...
What does the popcorn index teach us about the economy?
Figuring out how well the economy is doing might seem like the preserve of those working in big accounting firms or financial institutions, dealing wi...
Discover our podcast in French: Maintenant Vous Savez!
Hi, this is the Do You Really Know team! If you want to improve your French the easy way, listen to Maintenant Vous Savez, the French version of our p...
Could "mouth taping" really help me sleep better?
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 m...
Are you an “ambivert”?
Are you more of an introvert or an extrovert? Or maybe a bit of both? While introverts often need solitude to recharge and feel more comfortable alone...
How can you tell if you’re stingy?
If there’s one trait nobody wants to claim, it’s stinginess. But being stingy isn’t about how much money you have. Take Ingvar Kamprad, the founder of...
How can you secure your home before leaving on holiday?
Whether you’re planning a short trip or a long-haul adventure, you want to make sure your home is safe and sound while you’re away. Here are some step...
What is class-passing?
Everybody loves a rags-to-riches story, but the reality is social mobility is far from easy. Class-passers are those who manage to successfully improv...
What can be done about snoring?
According to the British Snoring and Sleep Apnea Association, 41% of the UK population snore, which means there are approximately 15 million snorers i...
What is the influence of the God complex in the workplace?
We've all had that moment of slipping on our headphones heading to school or work and feeling like an unstoppable force. But while most of us leave th...
Could intentional lazy parenting foster your child's independence?
You have to navigate an almost endless list of uncertainties when raising a child, and it’s hard to figure out the best approach to parenting. At one...
Should I be cleaning my belly button?
We talked about omplaphobia in a recent episode of Do You Really Know, which is the fear of belly buttons. Well the subject of today’s episode may mak...
What is climate optimism?
We’ve talked about eco-anxiety before on Do You Really Know, and it’s real. A survey published in the Lancet in December 2021 found that 75% of young...
How can I save money when using electrical appliances?
You might be surprised to learn that how we use our electric devices can make real changes to our energy consumption and our bills. So here are some s...
Why do we get the post-sex blues?
If you’ve ever felt strangely sad after having sex, you may have wondered what on earth was wrong with you. After all, we’re supposed to lie around in...
Is Britain the new place to get your wine?
When you think of wine, you probably think of France, Bordeaux, Burgundy or Beaujolais. But we could soon be looking to Kent, Dorset and Hampshire ins...
What is Mukbang, the latest type of video going viral on social media?
The mukbang phenomenon has been around for nearly 15 years, but only really took off on Youtube and then Tiktok in the last few years. A simple search...
Can plants communicate with one another?
You might think that plants are silent and passive, but recent studies have shown that they can actually make sounds and send signals to each other, e...
What are the alternatives to air conditioning?
As summers get hotter, more and more people are turning to air conditioning to cool down buildings and vehicles. Not only does it make us more comfort...
Is remote work here to stay?
COVID-19 lockdowns led to the revolutionary rise of remote work. But while working remotely may have been a necessary adaptation made during an unprec...
Can I reuse sunscreen from one year to the next?
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...
What is cybersickness, the mysterious condition linked to screen use?
You may well have experienced motion sickness or travel sickness in the past. Well, cyber sickness is a modern ailment that follows a similar kind of...
What is the Pygmalion effect?
Have you ever wondered how our expectations can impact the way we perceive and interact with others? Well, it’s actually been demonstrated that belief...
Are women really more emotional than men?
"Irrational”, “overdramatic”, “hysterical”, “sensitive” - if you’re a woman you have most likely been described using one of these words or similar in...
How can I recognise a narcissistic pervert?
The concept of the narcissistic pervert has invaded our screens and magazines in recent years. It's used a lot, but sometimes wrongly or without full...
What is the Golem effect?
Not long ago we talked about the Pygmalion effect in an episode of Do You Really Know? Well today’s subject is pretty much the exact opposite! The Gol...
Which five foods slow ageing?
Ageing is part of the natural cycle of life, and there’s no such thing as a miracle pill to prevent it. At least not yet ! Nevertheless, it is still p...
What is the two-day rule?
After enjoying a period of relaxation during the summer, many of us return to studies or work with a desire to develop good habits and a better routin...
How is AI being used in the legal system?
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 consult...
What are energy vampires?
Have you ever noticed how certain people just seem to drain your emotional energy any time you see or speak to them? It could be a work colleague, a f...