Do you really know?

How is the #Periodsomnia campaign helping to close the period sleep gap?

02 Sep 2022

Contributed by Lukas

Periods can greatly impact sleep, which has led to what’s known as the period sleep gap. Periods are different for everyone. Some people might have...

What is the windscreen phenomenon?

01 Sep 2022

Contributed by Lukas

The windscreen phenomenon is the observation of the gradual disappearance of insects on the planet. If you regularly use your car for long trips, yo...

[RERUN] What is HouseParty?

01 Sep 2022

Contributed by Lukas

HouseParty is a video chat app that was created in the United States in 2016 and became particularly popular among millennials. Those who download it ...

How can I limit the effects of sugar on my health?

31 Aug 2022

Contributed by Lukas

High blood sugar can make your mouth dry, make you feel thirsty, give you blurred vision and make you need to pee often. This is known as hyperglycem...

What is 3-MMC, the latest designer drug to hit Europe?

30 Aug 2022

Contributed by Lukas

One of the most rapidly increasing synthetic cathinones is 3-Methylmethcathinone, or 3-MMC for short. In March 2022, the European Commission announced...

[RERUN] What is the Ukrainian International Legion?

30 Aug 2022

Contributed by Lukas

In the days following the start of the invasion, Ukrainian president Volodymyr Zelensky created the country’s International Legion and appealed to f...

Why is yawning contagious?

29 Aug 2022

Contributed by Lukas

We all yawn regularly, without giving it much thought most of the time. Harvard Health Publishing says that people yawn between 5 and 20 times per day...

[RERUN] What is cyclothymia?

28 Aug 2022

Contributed by Lukas

The term cyclothymia was coined in the late 19th century by German psychiatrist Karl Ludwig Kahlbaum. It describes a clinical situation which has many...

Should we all be working a 4 day week?

27 Aug 2022

Contributed by Lukas

One of the unsuspected consequences of a global pandemic is a re-evaluation not only of how we work but what work means to us. For some the flexibili...

What is Burning Man, the mysterious desert gathering?

27 Aug 2022

Contributed by Lukas

From 28th August to 5th September 2022, Burning Man is set to return to the Black Rock Desert in Nevada for the first time since 2019, with an authori...

Should I quit air travel to save the planet?

26 Aug 2022

Contributed by Lukas

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 cou...

Could vanlife be a lifestyle choice for me?

25 Aug 2022

Contributed by Lukas

The last two and a half years have caused a lot of us to reassess our priorities in life. Are we really living our lives to the full? Are there new ex...

[RERUN] What is last chance tourism?

25 Aug 2022

Contributed by Lukas

Last chance tourism is a travel trend whereby tourists increasingly seek to experience the world’s most endangered sites before they vanish or are i...

How does Paris syndrome affect some visitors to the French capital?

24 Aug 2022

Contributed by Lukas

Some visitors can be so shocked by the reality of Paris compared to their expectations that they can experience psychiatric breakdowns or symptoms suc...

Can I get health benefits from masturbation?

23 Aug 2022

Contributed by Lukas

Masturbation tends to be somewhat of a taboo topic in society, often down to religious or spiritual beliefs.  You’ve probably also heard some of t...

[RERUN] What is the Azov Battalion?

23 Aug 2022

Contributed by Lukas

The Azov Battalion takes its name from the Sea of Azov which is bounded by Ukraine and Russia. You’ve more than likely seen images of these Ukraini...

How have dating apps broken into the friendship market?

22 Aug 2022

Contributed by Lukas

One of the biggest indirect impacts of the COVID-19 pandemic has been that on people’s mental health. Limited social interactions have led to feelin...

[RERUN] What is Oceanix City?

21 Aug 2022

Contributed by Lukas

It might sound like a theme park or the latest sci-fi comic series, but Oceanix City is actually a futuristic architecture project thought out for the...

Is remote work here to stay?

20 Aug 2022

Contributed by Lukas

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...

[FARNIENTE] What is a heatwave?

20 Aug 2022

Contributed by Lukas

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...

Is revenge travel THE tourism trend of summer 2022?

19 Aug 2022

Contributed by Lukas

Tourism is one of the world's major economic sectors. According to the UN World Tourism Organisation, tourism supports 1 in 10 jobs, and indirectly pr...

[FARNIENTE] What is an eco-friendly beach?

19 Aug 2022

Contributed by Lukas

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...

Does voluntourism do more harm than good?

18 Aug 2022

Contributed by Lukas

Voluntourism is the practice of volunteering one’s labour to a charitable cause in a developing country, in return for a soul-cleansing, perspective...

[FARNIENTE] What is a heat dome?

18 Aug 2022

Contributed by Lukas

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...

Why am I getting bags and circles under my eyes?

17 Aug 2022

Contributed by Lukas

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 low...

Should my next holiday be a staycation?

16 Aug 2022

Contributed by Lukas

Going on holiday is cool, but not always within reach for everyone. It requires time, as you may need to get your leave request approved by your emplo...

[FARNIENTE] What is vitamin D?

16 Aug 2022

Contributed by Lukas

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...

Can going braless be good for you?

15 Aug 2022

Contributed by Lukas

Research released in 2021 by Censuswide for Tu found that nearly 46% of women ditched nearly 46% of women ditched their bras at least once a week duri...

[RERUN] What are zombie fires?

14 Aug 2022

Contributed by Lukas

Believe it or not, some fires are able to smolder for months underneath snow, even when their flames have been extinguished above ground. Researchers...

Is Bullet Train the new John Wick?

13 Aug 2022

Contributed by Lukas

Those despairing at John Wick Chapter Four being delayed need not count down until March 2023. David Leitch, the director of Deadpool 2 and producer o...

How does "death cleaning" help you declutter your life?

12 Aug 2022

Contributed by Lukas

Back in 2010, Japanese writer Mari Kondo changed how we think about organisation and decluttering with her bestseller The Life Changing Magic of Tidyi...

Why do we get verrucas?

11 Aug 2022

Contributed by Lukas

Why do we get verrucas? Also known as plantar warts, verrucas are usually found on the soles of the feet, but can sometimes be seen between the toes...

[RERUN] What is the social credit system?

11 Aug 2022

Contributed by Lukas

What is the social credit system? With a population of 1.4 billion inhabitants and a surface area 39 times larger than that of the UK, China has see...

What is climate shadow, the newest way to measure your impact on global warming?

10 Aug 2022

Contributed by Lukas

What is climate shadow, the newest way to measure your impact on global warming? The subject of today’s episode is a relatively recent addition to...

Why do our bodies need magnesium?

09 Aug 2022

Contributed by Lukas

Why do our bodies need magnesium? Do you suffer from twitching eyes, muscle spasms, restless sleep and irritability? If so, there’s a chance it mi...

[RERUN] What is begpacking ?

09 Aug 2022

Contributed by Lukas

What is begpacking ? Begpacking is a portmanteau word, combining the words ‘begging’ and ‘backpacking’. It essentially means begging in order...

Am I in a situationship?

08 Aug 2022

Contributed by Lukas

Am I in a situationship? Sometimes there’s a very thin line between friendship and love. You spend time with someone, you’ve got things in commo...

[RERUN] What is the offside rule?

07 Aug 2022

Contributed by Lukas

What is the offside rule? Now, now, let’s not get carried away. England may have beaten old rivals Germany on Tuesday evening to seal a place in t...

What’s the best sleeping position?

06 Aug 2022

Contributed by Lukas

What’s the best sleeping position? Side, stomach or back; what kind of sleeper are you? Some people say that our sleeping position reflects what k...

Why should I eat more fermented foods?

05 Aug 2022

Contributed by Lukas

Why should I eat more fermented foods? Each year, International Beer Day is celebrated on the first Friday of August. As you may know, beer is produ...

What is trauma dumping, the toxic equivalent of oversharing?

04 Aug 2022

Contributed by Lukas

What is trauma dumping, the toxic equivalent of oversharing? It’s common for good friends to tell each other about pretty much everything going on...

[RERUN] What is the Smurfette Principle?

04 Aug 2022

Contributed by Lukas

What is the Smurfette Principle? Does that ring a bell? How many of you spent hours in front of the Smurfs as children? We’re sure you remember th...

How did Feta cheese end up causing an international legal battle?

03 Aug 2022

Contributed by Lukas

How did Feta cheese end up causing an international legal battle? Feta cheese is undoubtedly a star ingredient when it comes to summer salads. It go...

Why is Y2K style coming back into fashion?

02 Aug 2022

Contributed by Lukas

Why is Y2K style coming back into fashion? If you’re a millennial, you may feel like you’ve been transported back to your teens in recent times, ...

[RERUN] What is the three-finger salute?

02 Aug 2022

Contributed by Lukas

What is the three-finger salute? Since the start of February, protesters in Myanmar have been pictured making a three-finger gesture as a symbol of ...

What are parasocial relationships, the one-sided connections between celebs and their fans?

01 Aug 2022

Contributed by Lukas

What are parasocial relationships, the one-sided connections between celebs and their fans? This kind of one-way relationship is generally between a ...

[RERUN] What is BookTok?

31 Jul 2022

Contributed by Lukas

What is BookTok? You’ve no doubt already heard of TikTok, the short video app of choice for teens and young adults. Well in the last few weeks a n...

What are the warning signs of a toxic friendship?

30 Jul 2022

Contributed by Lukas

What are the warning signs of a toxic friendship? Today is World Friendship Day, a chance to reflect on how important friends are in our lives. Gene...

[FRIENDSHIP DAY] What is care work?

30 Jul 2022

Contributed by Lukas

On the occasion of World Friendship Day on 30 July, Do You Really Know puts the spotlight on this feeling that everyone knows. In the age of social ne...

Do I have generalised anxiety disorder?

29 Jul 2022

Contributed by Lukas

Do I have generalised anxiety disorder? Generalised anxiety disorder is a psychological condition, which affects around 3% of all people, according ...

[FRIENDSHIP DAY] What is Galentine's Day?

29 Jul 2022

Contributed by Lukas

On the occasion of World Friendship Day on 30 July, Do You Really Know puts the spotlight on this feeling that everyone knows. In the age of social ne...

Why do friend breakups hurt so much?

28 Jul 2022

Contributed by Lukas

Why do friend breakups hurt so much? We all know that getting over romantic relationships can take time, sometimes weeks, months or years. Many poems...

[FRIENDSHIP DAY] What is coliving?

28 Jul 2022

Contributed by Lukas

On the occasion of World Friendship Day on 30 July, Do You Really Know puts the spotlight on this feeling that everyone knows. In the age of social ne...

Who are the RMT, the organisation creating massive travel disruption across the UK?

27 Jul 2022

Contributed by Lukas

Who are the RMT, the organisation creating massive travel disruption across the UK? The UK is set for another day of disruption on 27th July, as the ...

[FRIENDSHIP DAY] What is fan fiction?

27 Jul 2022

Contributed by Lukas

On the occasion of World Friendship Day on 30 July, Do You Really Know puts the spotlight on this feeling that everyone knows. In the age of social ne...

[FRIENDSHIP DAY] What is TikTok?

26 Jul 2022

Contributed by Lukas

On the occasion of World Friendship Day on 30 July, Do You Really Know puts the spotlight on this feeling that everyone knows. In the age of social ne...

Who are the Moonies, the church with ties to Japanese politicians?

26 Jul 2022

Contributed by Lukas

Who are the Moonies, the church with ties to Japanese politicians? The whole world was shocked by the assassination of former Japanese Prime Ministe...

What is muscle dysmorphia?

25 Jul 2022

Contributed by Lukas

What is muscle dysmorphia? Muscle dysmorphia, also known as bigorexia or reverse anorexia, is an obsession with bulking up by working out. It’s ca...

[FRIENDSHIP DAY] What is Generation Z?

25 Jul 2022

Contributed by Lukas

On the occasion of World Friendship Day on 30 July, Do You Really Know puts the spotlight on this feeling that everyone knows. In the age of social ne...

[RERUN] What are blue zones?

24 Jul 2022

Contributed by Lukas

What are blue zones? Humans have wondered about the secrets behind longevity since the beginning of time. Well, as it turns out, the world’s five ...

What shady tactics have been uncovered by the Uber files leak?

23 Jul 2022

Contributed by Lukas

What shady tactics have been uncovered by the Uber files leak? The chances are at some point in your life you’ve taken an Uber ride, perhaps headin...

Is running actually bad for our joints and bones?

22 Jul 2022

Contributed by Lukas

Is running actually bad for our joints and bones? Running is one of the most common forms of exercise, and it makes sense when you think about it. Yo...

Is drinking decaf bad for my health?

21 Jul 2022

Contributed by Lukas

Is drinking decaf bad for my health? Coffee is one of the most popular drinks in the world, with an average of 98 million cups consumed in the UK ev...

[RERUN] What are tiny forests?

21 Jul 2022

Contributed by Lukas

What are tiny forests? Over the last few years, citizens have been planting tiny forests in towns and country settings. There are now over 2,000 acro...

What is the dangerous Blackout challenge on Tiktok?

20 Jul 2022

Contributed by Lukas

What is the dangerous Blackout challenge on Tiktok?   Just last month, the parents of two deceased American girls decided to sue social network Tikt...

How can heatwaves impact our mental health?

19 Jul 2022

Contributed by Lukas

How can heatwaves impact our mental health?   The word heatwave is on everybody’s lips, with record temperatures expected in the UK this Tuesday, ...

[RERUN] What is tokenism?

19 Jul 2022

Contributed by Lukas

What is tokenism? Have you ever got the feeling a company or organisation is preaching equality, but it all feels a bit fake? Well, you may be witne...

Who invented emojis?

18 Jul 2022

Contributed by Lukas

Who invented emojis? We all know them and use them; so today let’s celebrate them. World Emoji Day falls on 17th July. Yes that’s right, a day h...

[RERUN] What is the insider-outsider theory?

17 Jul 2022

Contributed by Lukas

What is the insider-outsider theory? The insider-outsider theory is a New Keynesian economic model which developed in the 1980s, explaining certain d...

How can I get the most out of daytime napping?

16 Jul 2022

Contributed by Lukas

How can I get the most out of daytime napping? Studies have repeatedly shown that human sleep quality is deteriorating year after year, for a number...

Why do we love hate-watching certain films and series?

15 Jul 2022

Contributed by Lukas

Why do we love hate-watching certain films and series? Matchmaking reality TV show Love Island is a guilty pleasure for many of us, and it’s back ...

How did Better Call Saul nearly become a sitcom?

14 Jul 2022

Contributed by Lukas

How did Better Call Saul nearly become a sitcom? It’s somewhat of an event in the world of series. The five-episode final season of Better Call Sa...

[RERUN] What is the Big Quit?

14 Jul 2022

Contributed by Lukas

What is the Big Quit? Remember our episode on #QuitMyJob, about thousands of Americans publicly quitting their jobs on TikTok? Since then, the phenom...

How can the unisex condom improve my sex life?

13 Jul 2022

Contributed by Lukas

How can the unisex condom improve my sex life? It was widely expected that the condom industry would thrive throughout the Covid-19 pandemic, but to...

What is citizen science, the concept opening up research to the general public?

12 Jul 2022

Contributed by Lukas

What is citizen science, the concept opening up research to the general public? Also known as community science, citizen science is the active parti...

[RERUN] What is OPEC?

12 Jul 2022

Contributed by Lukas

What is OPEC? The Organisation of the Petroleum Exporting Countries is an international cartel currently made up of thirteen member states. Over the...

What are the benefits of slow sex?

11 Jul 2022

Contributed by Lukas

What are the benefits of slow sex? We all know that having sex is a great form of stress relief. It releases pleasure hormones, like endorphins and o...

[RERUN] What is Stendhal syndrome?

10 Jul 2022

Contributed by Lukas

What is Stendhal syndrome? Stendhal’s syndrome is a rare and unusual psychological disorder. It’s a psychosomatic condition whereby certain peopl...

What are the latest advances in lung cancer treatment?

09 Jul 2022

Contributed by Lukas

What are the latest advances in lung cancer treatment? In April 2022, findings from the large scale CheckMate 816 clinical trial were presented to t...

What is Roe vs Wade, the ruling that guaranteed American women abortion rights?

08 Jul 2022

Contributed by Lukas

What is Roe vs Wade, the ruling that guaranteed American women abortion rights?   In late June 2022, the US Supreme Court controversially overturned...

Could tourism quotas help preserve endangered local environments?

07 Jul 2022

Contributed by Lukas

Could tourism quotas help preserve endangered local environments? The summer holiday period is upon us, but when planning our holidays it’s worth b...

What is the Gamestop short squeeze?

07 Jul 2022

Contributed by Lukas

On July 8, we celebrate National Video Game Day. What is the Gamestop short squeeze? You may have seen headlines about it in recent weeks, and it’...

Is bikini waxing harmful for your health?

06 Jul 2022

Contributed by Lukas

Is bikini waxing harmful for your health? Swimsuit season is here and many women will be making sure they’re body hair is groomed in good time bef...

Why will it be years before Ukraine could join the EU?

05 Jul 2022

Contributed by Lukas

Why will it be years before Ukraine could join the EU? On 23rd June 2022, the European Union’s 27 member states agreed to award the countries of Uk...

[RERUN] What is Islamism?

05 Jul 2022

Contributed by Lukas

What is Islamism? A spate of terrorist attacks have been carried out across Europe in recent weeks, most notably in France and Austria. Political l...

Why is Elvis known as the King?

04 Jul 2022

Contributed by Lukas

Why is Elvis known as the King? Baz Luhrmann’s Elvis Presley biopic hit UK cinemas on 24nd June 2022, starring Austin Butler as the King of rock a...

[RERUN] What is enbyphobia?

03 Jul 2022

Contributed by Lukas

What is enbyphobia? This term first appeared in LGBT+ circles; if you’re wondering what an “enby” is, just say it slower: N - B, which stands ...

How have Pride Parades evolved over the last 50 years?

02 Jul 2022

Contributed by Lukas

How have Pride Parades evolved over the last 50 years?    In cities across the world, Pride Parades take place in late June and early July, with the...

Is menopause still a taboo subject?

01 Jul 2022

Contributed by Lukas

Is the menopause still a taboo subject? The menopause is the period in a woman’s life when she stops ovulating and having periods, due to lower hor...

[RERUN] What is the Taliban offensive?

01 Jul 2022

Contributed by Lukas

What is the Taliban offensive? The Taliban’s offensive against the Afghan government, which began back in May, accelerated dramatically in the las...

What is shrinkflation, the sneaky tactic manufacturers are hiding from consumers?

30 Jun 2022

Contributed by Lukas

What is shrinkflation, the sneaky tactic manufacturers are hiding from consumers?  Marketing technique shrinkflation is becoming more and more commo...

Do you really know, the trailer

29 Jun 2022

Contributed by Lukas

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 tha...

How can we choose the right sunscreen product?

29 Jun 2022

Contributed by Lukas

How can we choose the right sunscreen product? July is nearly upon us, which means it’s summer holiday time for many of you. Whether you’re goin...

[RERUN] What is the global minimum tax?

29 Jun 2022

Contributed by Lukas

What is the global minimum tax? At the end of last week, finance ministers from the G7 countries met in London and formally endorsed a global minimu...

Could Male Polish be the next big thing in men’s fashion?

28 Jun 2022

Contributed by Lukas

Could Male Polish be the next big thing in men’s fashion?   A 2021 report from Persistence Market Research predicted that within the next decade, ...

Why are there so many spin offs in the world of cinema?

27 Jun 2022

Contributed by Lukas

Why are there so many spin offs in the world of cinema? The world of cinema is full of films and sagas which leave their mark on a generation, somet...

[RERUN] What is cancel culture?

26 Jun 2022

Contributed by Lukas

What is cancel culture? Cancel culture is the popular practice of withdrawing support for an individual or company, to such an extent that they beco...

What does the future hold for Marvel Cinematic Universe?

25 Jun 2022

Contributed by Lukas

What does the future hold for Marvel Cinematic Universe? Marvel has long been one of the most prominent and iconic publishers in the world of Americ...

How were the Stonewall riots the starting point for the LGBT struggle?

24 Jun 2022

Contributed by Lukas

How were the Stonewall riots the starting point for the LGBT struggle? In 1960s New York, a bar called the Stonewall Inn was one of the few establish...

How did Internet Explorer go out of fashion?

23 Jun 2022

Contributed by Lukas

How did Internet Explorer go out of fashion?  On 15th June 2022, American internet giant Microsoft cut off Internet Explorer, its long standing web ...