Do you really know?
Episodes
How can I tell if I’m at risk of ‘quiet firing’?
27 Oct 2024
Contributed by Lukas
Whereas quiet quitting is all about employees sticking to doing the bare minimum, quiet firing is kind of the opposite. It’s when an employer nudges...
Why do we change clocks twice per year?
27 Oct 2024
Contributed by Lukas
“Spring forward, fall back” goes the saying; that’s right - today, Sunday the 27th of October 2024, saw the clocks go back an hour, meaning it g...
Why do some people get a headache during sex?
26 Oct 2024
Contributed by Lukas
Sex is generally synonymous with pleasure, but sometimes it can bring on headaches that are unpleasant at best. They’re known as sex headaches or or...
Can men get breast cancer?
25 Oct 2024
Contributed by Lukas
Figures from Cancer Research UK show that there are an average of nearly 57,000 new breast cancer cases detected each year in the country. It’s the ...
Who are the main victims of natural disasters?
25 Oct 2024
Contributed by Lukas
Natural disasters lead to damaged property, loss of life, psychological trauma, displaced individuals and families, among other consequences. Accordin...
What is the Fermi paradox?
24 Oct 2024
Contributed by Lukas
Have you ever felt tiny when contemplating the vast, 14-billion-year-old universe? Maybe you’ve wondered, “Is there another form of intelligence o...
Why are my ears ringing?
24 Oct 2024
Contributed by Lukas
It’s not uncommon to hear ringing, buzzing, humming or hissing sounds that can’t be heard by anyone else. The medical term for these symptoms is t...
How is grounding helping women to have more orgasms?
23 Oct 2024
Contributed by Lukas
According to a study published in Current Psychiatry Reports in 2000, 10% - 15% of women are affected by anorgasmia, the inability to reach orgasm. Of...
Why do noses and ears grow throughout your life?
23 Oct 2024
Contributed by Lukas
You may have heard that our ears and noses never stop growing, you may even have found yourself wondering if your ears are indeed bigger than they use...
What is jeffing?
22 Oct 2024
Contributed by Lukas
Ever found yourself swearing off sports after a grueling session, plagued by aches and pains, or feeling like you’re always lagging behind? Whether...
Why has far-right terrorism increased so much?
22 Oct 2024
Contributed by Lukas
In early December 2022, German authorities carried out a sting operation on the neo-Nazi Reichsburger group that was plotting to overthrow the country...
Why are driverless cars not yet on the road?
21 Oct 2024
Contributed by Lukas
The Tesla “We, Robot” event in October 2024 saw Elon Musk unveil the company’s Robotaxi, a fully autonomous car which he said passengers would s...
What is synthetic fuel?
21 Oct 2024
Contributed by Lukas
For a number of years now, we’ve been hearing that the future of transport is electric, in particular due to the impact of fossil fuels on global wa...
What is omphalophobia, the fear of belly buttons?
20 Oct 2024
Contributed by Lukas
Be honest, if you hadn’t heard the title of this episode, would you have been able to guess that this person was talking about a belly button? She w...
Why are Nobel Prizes so important?
19 Oct 2024
Contributed by Lukas
Between 7th and 14th of octobre 2024, Nobel Prize award ceremony take place in Stockholm. Like every year, it’s held on 10th December, to coincide w...
Which jobs are most under threat from artificial intelligence?
18 Oct 2024
Contributed by Lukas
Since the launch of ChatGPT in November 2022, artificial intelligence has transformed how many workers go about their jobs on a daily basis. AI develo...
What’s the point of flight mode?
18 Oct 2024
Contributed by Lukas
Those are no doubt familiar instructions if you’ve ever taken a plane. Today's topic is one that has been a part of our digital lives for quite some...
Does your name really affect your looks?
17 Oct 2024
Contributed by Lukas
Does your face match your name? Surprisingly, researchers have scientifically proven that an Emma will never resemble a Sophie, or a Jack or an Oliver...
Is scratching a mole really dangerous?
16 Oct 2024
Contributed by Lukas
Moles can be flat, raised, discreet, or visible. They appear all over our skin and tend to increase in number over time. While these harmless little s...
Could job enrichment make your work more rewarding?
16 Oct 2024
Contributed by Lukas
A lot has changed in the workplace since the onset of the Covid-19 pandemic in 2020. Companies have had to figure out how to best manage remote work f...
Is bikini waxing harmful for your health?
16 Oct 2024
Contributed by Lukas
According to a Jama Dermotology study of 3,316 American women in 2016, 83.8% reported removing at least some of their pubic hair. The most common hai...
Why do certain sounds give us goose bumps?
15 Oct 2024
Contributed by Lukas
Picture this: you’re lost in thought, your favourite song playing, and suddenly, you feel a wave of well-being that gives you goosebumps. Music does...
What is the pathological laughter condition that affects The Joker?
14 Oct 2024
Contributed by Lukas
The Joker from the Batman universe is undoubtedly one of the most fascinating characters ever created. He’s been reimagined countless times, not onl...
Which conspiracy theories were actually true?
14 Oct 2024
Contributed by Lukas
The origins of Covid-19 still remain somewhat hazy, over three-and-a-half years since the virus began spreading across the world. That has led to a nu...
How to save money on your heating bill this winter?
14 Oct 2024
Contributed by Lukas
As the cold weather closes in, it's time to put on the heating but there are plenty of ways to efficiently heat your home and save money. 46 percent ...
Why do some people believe in ghosts?
13 Oct 2024
Contributed by Lukas
You might assume that belief in the paranormal is limited to the fringes of society. After all, according to science, ghosts don’t exist; or at leas...
Why does Nobel disease cause some winners to promote unscientific ideas?
11 Oct 2024
Contributed by Lukas
For physicists, chemists, diplomats, medical researchers, and even writers, the Nobel Prize represents the ultimate accolade. Since Their inception in...
Is it dangerous if I get heart palpitations?
11 Oct 2024
Contributed by Lukas
On average the human heart beats at a rate of 1.16 times per second, or 100 times per minute. Sometimes the heart rate gets faster, slower or is irreg...
What is Fridgescaping?
10 Oct 2024
Contributed by Lukas
Ever thought about making your fridge as stylish as your wardrobe or living room? Afterall presentation is important. Welcome to the world of fridgesc...
Is staying friends with an ex really a good idea?
09 Oct 2024
Contributed by Lukas
Most of us have to go through a painful breakup at some point in our life. Even if you thought you’d found your soulmate, started planning a grand f...
Is sex without feelings ever a good idea?
09 Oct 2024
Contributed by Lukas
With the rise of dating apps, it seems more common to have sex without being in love. Sex for sex's sake, promises to be mindless and commitment-free....
Why do children have imaginary friends?
08 Oct 2024
Contributed by Lukas
What fun it is to have an imaginary friend to blame when you get into mischief! If you have children, you may have experienced a rather amusing situat...
What are umbrella species?
08 Oct 2024
Contributed by Lukas
Within an ecosystem there are many different species, and it can be difficult for conservationists to come up with specific strategies to protect ever...
Is it better sleeping with or without a pillow?
07 Oct 2024
Contributed by Lukas
We don’t know about you, but some nights we just can’t fall asleep without turning onto our stomach. And when we do, we seem to drift off more eas...
Could Bare Minimum Mondays protect us from burnout?
06 Oct 2024
Contributed by Lukas
It’s common to feel a little anxiety on a Sunday evening as your relaxing weekend draws to a close and you start thinking about your return to the o...
How can I protect myself from bank card skimming?
05 Oct 2024
Contributed by Lukas
Using an ATM, paying for petrol or shopping at a retail store are pretty routine things that many of us do on a frequent basis. But it’s important t...
What are the secrets behind the Lord of the Rings saga?
05 Oct 2024
Contributed by Lukas
The three Lord of the Rings stories quickly became huge hits when first released as novels in the 1940s. They quickly built a cult fan base due to the...
How did Ozempic get so popular?
05 Oct 2024
Contributed by Lukas
Today we’re talking about a diabetes medicine which has gained a reputation for leading to weight loss. Ozempic became popular among Hollywood celeb...
Who was the real Count of Monte Cristo?
04 Oct 2024
Contributed by Lukas
French novelist Alexandre Dumas first published The Count of Monte Cristo as a novel in 1844, and it went on to gain a reputation as one of the most c...
What is microwork?
04 Oct 2024
Contributed by Lukas
Microwork is paid work which usually involves short and repetitive tasks carried out on a smartphone or computer. It could be identifying objects show...
How can I sleep well with a blocked nose?
04 Oct 2024
Contributed by Lukas
It’s not uncommon for rhinoviruses to resurface during the spring and autumn seasons. They’re the main cause of the common cold. At the same time,...
Has the mystery of the Bermuda Triangle finally been solved?
03 Oct 2024
Contributed by Lukas
Every year, an average of four planes and twenty boats vanish in this notorious area. Straddling the line between legend and reality, the Bermuda Tri...
Why is physical contact important for our health?
03 Oct 2024
Contributed by Lukas
When it comes to expressions about skin, the English language is not lacking. For example, we can be thick or thin skinned, or have someone under our ...
What are the worst Everest tragedies?
02 Oct 2024
Contributed by Lukas
There have been many films and documentaries about the thrill and struggle of climbing Everest and with social media it has become an ever more popula...
Is it really good to drink coffee every morning?
01 Oct 2024
Contributed by Lukas
If the mere smell of a good cup of coffee is enough to get you out of bed, you might want to rethink your early morning ritual. According to nutrition...
What is Wendy Syndrome?
01 Oct 2024
Contributed by Lukas
Think back to the story of Peter Pan, and more specifically the character of Wendy Darling, Peter’s friend who accompanies him to Neverland. She’s...
What is sign singing?
01 Oct 2024
Contributed by Lukas
Deafness is known for being an invisible disability, which can lead to exclusion and loneliness. According to a Human Rights Watch article from 2019, ...
Why do web addresses start with www?
30 Sep 2024
Contributed by Lukas
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 O...
What is domotics, the technology behind smart homes?
30 Sep 2024
Contributed by Lukas
If you’ve ever had a “conversation” with Siri, Google Assistant or Alexa, you may well have been using a domotics system, without necessarily kn...
What is de-extinction?
29 Sep 2024
Contributed by Lukas
What is de-extinction? The process of de-extinction is all about bringing extinct species back to life. It became known in the 2010s, thanks to an am...
Is breakfast really the most important meal of the day?
28 Sep 2024
Contributed by Lukas
You may well have been told that breakfast is the most important meal of the day, so you shouldn’t skip it. But did you know that prior to the indus...
What is sexsomnia?
28 Sep 2024
Contributed by Lukas
We all know someone who talks in their sleep, or occasionally sleepwalks around the house, perhaps even heading to the kitchen to prepare a nighttime ...
What is chemical submission?
27 Sep 2024
Contributed by Lukas
You may have seen headlines in recent weeks about a deeply shocking French court case. A man has admitted drugging his wife with powerful sedatives ov...
Can a weighted blanket help you get a better night’s sleep?
27 Sep 2024
Contributed by Lukas
A comfy mattress, be it firm or soft, and a good pillow are all essential for a good night’s sleep but increasingly people are also buying weighted ...
What are 4 tips for fighting fatigue?
26 Sep 2024
Contributed by Lukas
If there’s one unpleasant feeling we’re all familiar with, it’s tiredness. At the start of the new school year, it can be particularly prevalent...
Is it bad to drink water with a meal?
26 Sep 2024
Contributed by Lukas
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...
Why don't prices fall when inflation slows?
25 Sep 2024
Contributed by Lukas
Inflation peaked in 2022, but now it’s on a slow and steady decline, reaching 2.5% in June 2024, down from 5.5% in June 2023. Plus, some commercial ...
Is sleeping in bad for your health?
25 Sep 2024
Contributed by Lukas
I don’t know about you but for me not having to set an alarm on a Saturday or Sunday morning is really one of life’s simple pleasures. With my pac...
What are the most hydrating foods?
24 Sep 2024
Contributed by Lukas
We all know staying hydrated is crucial for feeling fit and healthy. The general recommendation is to drink between 1.5 to 2 litres of water a day. Bu...
How is AI slop invading the internet?
23 Sep 2024
Contributed by Lukas
It’s fair to say that AI technology is hyper-polarising. Since the launch of ChatGPT in late 2022, many people have been awestruck at how generative...
What are climate refugees?
22 Sep 2024
Contributed by Lukas
Climate refugees, or climate migrants, are people forced away from their homes due to sudden or gradual alterations in their natural environment. We’...
Why does our nose run when I'm sick?
22 Sep 2024
Contributed by Lukas
Are you feeling the chills, a scratchy throat, and a non-stop runny nose? Winter brings the cold bug everywhere – in public transport, at work, and ...
What advantages does pretty privilege give attractive people?
21 Sep 2024
Contributed by Lukas
Of course, as the old saying goes, beauty is in the eye of the beholder, but even as children we all kind of realise who’s seen as physically attrac...
What's the best time of day to have sex?
20 Sep 2024
Contributed by Lukas
Over the years, many surveys have looked into what time of day people say they most enjoy having sex, but the findings have varied drastically. For in...
What happens in the brain when we lie?
19 Sep 2024
Contributed by Lukas
Everyone has lied at least once in their life. But did you know that we lie at least once a day? This surprising conclusion comes from an American stu...
Which cooking method is the healthiest?
18 Sep 2024
Contributed by Lukas
Cooking not only destroys bacteria and germs but also makes food more digestible, especially meat. It changes the taste, appearance, color, and most...
How are social media influencers making money through rage baiting?
18 Sep 2024
Contributed by Lukas
Since 2020, TikTok has allowed its creators to make money by posting on the platform. To do so, they need at least 10,000 followers and to rack up 100...
Are electric toothbrushes really more effective?
17 Sep 2024
Contributed by Lukas
Electric toothbrushes come with a head that makes small circular movements automatically. Studies have shown that, for the same amount of brushing tim...
What is the olive theory from Tiktok?
15 Sep 2024
Contributed by Lukas
The olive theory actually started trending on Tiktok as of early 2023, leading younger generations to get familiar with How I Met Your Mother and on...
Are women really more emotional than men?
15 Sep 2024
Contributed by Lukas
"Irrational”, “overdramatic”, “hysterical”, “sensitive” - if you’re a woman you have most likely been described using one of these wor...
How can you change your body odour?
14 Sep 2024
Contributed by Lukas
Much like your fingerprints, your body odour is totally unique to you. It varies from person to person based on the chemical makeup of their sweat, wh...
Can a messy desk help some people work better?
13 Sep 2024
Contributed by Lukas
“If a cluttered desk is a sign of a cluttered mind, of what, then, is an empty desk a sign?”. If you’re obsessed with having a tidy work environ...
Why do we get memory lapses?
11 Sep 2024
Contributed by Lukas
According to research published in The BMJ in 2002, around 40% of people experience some age-associated memory impairment after reaching 65. Thankfull...
How often should I wash my towels?
11 Sep 2024
Contributed by Lukas
Towels, used to dry our freshly washed bodies, quickly become dirty, collecting dead skin cells, perspiration, bacteria and fungi that thrive in damp ...
Are you spending more on groceries due to stretchflation?
09 Sep 2024
Contributed by Lukas
The subject of today’s episode is the latest questionable practice in retail. "Stretchflation" is getting a lot of attention, and for good reason: i...
Is veganism really the best choice?
08 Sep 2024
Contributed by Lukas
Veganism is a lifestyle that excludes all animal products from one’s diet and other aspects of life. That means no meat, eggs or dairy but it can al...
[FABULOUS DESTINIES] Mike Horn, the adventurer who defied nature and death
08 Sep 2024
Contributed by Lukas
If you’re listening to this show, you're no doubt a keen learner and explorer. We bet you’ll love Fabulous Destinies, another Bababam podcast, whi...
How do aeroplanes fly?
07 Sep 2024
Contributed by Lukas
Have you ever been on an aeroplane and wondered how on earth a vehicle weighing tens of thousands of kilograms can even take off, let alone stay in th...
[FABULOUS DESTINIES] The Natascha Kampusch case: the child held captive for 3,096 days
07 Sep 2024
Contributed by Lukas
If you’re listening to this show, you're no doubt a keen learner and explorer. We bet you’ll love Fabulous Destinies, another Bababam podcast, whi...
Can our bodies really catch up on lost sleep?
06 Sep 2024
Contributed by Lukas
We talk about sleep needs a lot on Do You Really Know, so regular listeners will be well aware that we need 7-9 hours each day, and that not getting e...
[FABULOUS DESTINIES] Arthur Mitchell, the first black man to become a ballet star
06 Sep 2024
Contributed by Lukas
If you’re listening to this show, you're no doubt a keen learner and explorer. We bet you’ll love Fabulous Destinies, another Bababam podcast, whi...
Can you really lose weight by walking?
05 Sep 2024
Contributed by Lukas
Walking is something we all do every day, but did you know it has numerous health benefits? It’s not just a simple way to get from point A to point ...
[FABULOUS DESTINIES] Belle Greene, the librarian who risked her life for art and freedom
05 Sep 2024
Contributed by Lukas
If you’re listening to this show, you're no doubt a keen learner and explorer. We bet you’ll love Fabulous Destinies, another Bababam podcast, whi...
Coming soon: Fabulous Destinies podcast
04 Sep 2024
Contributed by Lukas
Welcome to Do You Really Know! If you’re listening to this show, you're no doubt a keen learner and explorer. We bet you’ll love Fabulous Destinie...
Could mate poaching be a threat to your relationship?
04 Sep 2024
Contributed by Lukas
All romantic relationships come with challenges, and one of the biggest hurdles tends to be fidelity. Over the years, there have been a number of stud...
How do you get rid of fruit flies in the kitchen?
04 Sep 2024
Contributed by Lukas
These tiny insects, which reproduce at an astonishing rate, often invade our kitchens. They are particularly attracted to damp areas, stagnant water, ...
What to do when you’re exhausted after your holidays?
03 Sep 2024
Contributed by Lukas
It may come as a surprise, but for some, summer isn’t always a time for rest and recharging. Quite the opposite, in fact. This phenomenon, known as ...
What’s the best sleeping position?
03 Sep 2024
Contributed by Lukas
Side, stomach or back; what kind of sleeper are you? Some people say that our sleeping position reflects what kind of person we are. .. While we can’...
How can I save money on back-to-school supplies?
02 Sep 2024
Contributed by Lukas
The start of any school year is always an emotionally charged time, whether you’re a child or an adult. But as a parent that excitement can quickly ...
What is the coffee cup test in job interviews?
01 Sep 2024
Contributed by Lukas
Job interviews have always been a daunting prospect for a number of reasons. And the process is only getting more time-consuming for candidates, witho...
How can I cope with post holiday blues?
31 Aug 2024
Contributed by Lukas
We've all been there, haven't we? That moment when a holiday comes to a close and the reality of everyday life sets in. The post-holiday blues, that f...
Which colours go well together according to science?
29 Aug 2024
Contributed by Lukas
It's often said that colour preferences are simply a matter of personal taste, but actually some have been backed up by science, especially in the fie...
How can I get cheaper flight tickets?
29 Aug 2024
Contributed by Lukas
According to recent data from personal finance website NimbleFins, the average British family of four spent around £4,678 for a 9-night holiday abroa...
What does eating junk food do to our brains?
28 Aug 2024
Contributed by Lukas
We all know about the physical consequences of having an unbalanced diet, and one that includes a lot of junk food in particular. In the short term ea...
Why do women live longer than men?
26 Aug 2024
Contributed by Lukas
In the period from 2018 to 2020, the life expectancy at birth for women in the UK was 82.9 years, while it was just 79 for men. That’s according to ...
What is second child syndrome, the feeling affecting Prince Harry?
25 Aug 2024
Contributed by Lukas
In January 2023, Prince Harry published his memoirs, in the form of an autobiography entitled "Spare". The book led to a lot of controversy, particula...
Is the sugar in fruit actually good for you?
24 Aug 2024
Contributed by Lukas
Just like vegetables, fruit is essential in a healthy and balanced diet. Ever since the UK government’s campaign in 2003, we’ve all known that we’...
How can I recognise ultra-processed foods?
24 Aug 2024
Contributed by Lukas
What do chicken nuggets, margarine and instant noodles all have in common? Well, they may look tasty, but they’re loaded with sugar, salt, fat and c...
Is the five second rule a real thing?
23 Aug 2024
Contributed by Lukas
How do you react when a piece of food you’re eating falls to the floor? Some people would throw it away in disgust, while others would still eat it,...
How should I organise my fridge?
22 Aug 2024
Contributed by Lukas
You might be the kind of person that meticulously fills your fridge with your groceries ensuring that every item is in the correct spot or perhaps you...