Do you really know?

Latest Episodes:

What is social jet lag? May 14, 2026

Show notes

You’ve probably heard of jetlag, the feeling of fatigue and disorientation that occurs when you travel across different time zones, but did you know that you can experience a similar phenomenon without leaving your home?

It’s called social jetlag and is caused by changing your sleep patterns. It happens when you change your sleep schedule on the weekends to fit your social life.

Why is social jetlag a problem? How can you avoid social jetlag? How to create a regular sleep schedule? In under 3 minutes, we answer your questions!

To listen to the last episodes, you can click here:

⁠⁠Why are some people constantly sexually aroused ?⁠⁠

⁠⁠Why are we afraid of the dark?⁠⁠

⁠⁠Why do people consider the number seven lucky?⁠⁠

A podcast written and realised by Joseph Chance.

First broadcast: 7/9/2023

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Which foods change our body odour? May 14, 2026

Show notes

Did you know that each of us has a truly unique body odour, which is influenced by a mix of genetic, hormonal, age-related, environmental, and lifestyle factor? And your diet plays a role in shaping your natural scent.

Some foods have their own noticeably strong odours, like garlic or onions for example, and can in turn cause us to sweat more. The same goes for spices and chili, which makes sense given how hot they are. If you eat a lot of turmeric, you may notice a tangy aroma emanating straight from your skin pores, caused by an uptick in sweat acidity and the presence of a molecule called carvone.

Is there anything else that could explain a change in odour? Are there any foods that can improve body odour? In under 3 minutes, we answer your questions!

To listen to the last episodes, you can click here:

⁠⁠Could Britain ever rejoin the EU?⁠⁠

⁠⁠What 5 foods can improve brain performance?⁠⁠

⁠⁠What is pandemic skip?⁠⁠

A podcast written and realised by Joseph Chance.

First Broadcast: 10/1/2024

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Is sleeping in bad for your health? May 14, 2026

Show notes

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 packed work schedule and family life, I often don’t end up getting as much sleep as I need during the week.

So it’s really tempting to try to catch up on that sleep debt over the weekend. But then I heard about these studies that have shown that weekend lie-ins can actually be harmful to human health.

What kind of harm are we talking about? Like jet lag from flying? What’s the best way to make up for lost sleep? In under 3 minutes, we answer your questions!

To listen to the last episodes, you can click here:

⁠⁠Why does not getting enough sleep make you selfish?⁠⁠

⁠⁠Can our bodies really catch up on lost sleep?⁠⁠

⁠⁠Does sex help us to sleep better?⁠⁠

A podcast written and realised by Amber Minogue.

First Broadcast: 25/9/2024

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Why does looking at the sun make me sneeze? May 13, 2026

Show notes

We usually sneeze to protect ourselves from irritants such as pollen, dust, or chemicals. But there are some people who consistently sneeze when they look at the sun. In fact, this affects from 10 to 35% of us when we move from being in the shade to bright light, according to PBS.org.

If it happens to you, perhaps you’ve been wondering if it’s an allergy to sunlight, but actually it isn’t. The reaction triggered by sudden exposure to light is called the photic sneeze reflex. It is a congenital physiological anomaly that’s pretty common and totally harmless.

Why does this reaction occur? What happens in the body when we sneeze? Should you suppress a sneeze? In under 3 minutes, we answer your questions!

To listen to the last episodes, you can click here:

⁠⁠How long do I have to wait to swim after eating?⁠⁠

⁠⁠What are the world's least safe travel destinations?⁠⁠

⁠⁠Why do we get travel sick?⁠⁠

A Bababam Originals podcast written and realised by Joseph Chance.

First broadcast: 4/6/2023

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Can I cure my fear of spiders? May 13, 2026

Show notes

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 2017. This may be because such creatures have historically provided a threat. Some other studies have also backed up the idea of an inherited fear of spiders.

But my friend keeps pet spiders; why doesn’t she have the same fear as me? So can it be cured? ⁠⁠In under 3 minutes, we answer your questions !⁠⁠

To listen to the latest episodes, click here:

⁠⁠Will the British museum finally give back the Parthenon marbles?⁠⁠

⁠⁠What did the Jane Collective do for US women’s rights?⁠⁠

⁠⁠What is tagskryt, the Scandinavian sustainable travel trend?⁠⁠

A podcast written and realised by Joseph Chance.

First Broadcast: 21/9/2022

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Why does not getting enough sleep make you selfish? May 12, 2026

Show notes

Not getting a good night’s sleep can certainly leave you feeling grumpy and groggy, but can it also make you selfish? Sleep experts at the University of California, Berkeley certainly seem to think so, and apparently even losing just one hour of sleep is enough to make you less generous towards others and that includes friends and family.

The team conducted a number experiments which were published in the open-access journal. Over 100 participants were asked to fill out sleep diaries over four days - including how long they slept and if their sleep was interrupted then answer an ‘altruism questionnaire’ with questions like: “would you help if a stranger stopped to ask for directions while you were in a rush to get to work”.

What were the results? What impact could this have? In under 3 minutes, we answer your questions!

To listen to the last episodes, you can click here:

⁠⁠How does daylight saving affect your health?⁠⁠

⁠⁠How can I sleep well with a blocked nose?⁠⁠

⁠⁠Why is Disney becoming unpopular?⁠⁠

A podcast written and realised by Amber Minogue.

First broadcast: 6/9/2022

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Do our brains really tell the whole story about us? May 12, 2026

Show notes

You know how sometimes you might indulge in a bit too much junk food, or maybe the kids aren’t acing their tests, or perhaps you’re navigating the single life? Hold up—before you start to worry, there’s a seemingly scientific explanation for all of it, and it points to one place: our brains.

Neuroscience has become the go-to for decoding life’s issues, spanning medicine, economics, politics, and education. But hold your horses—some experts are raising the red flag on “neuromania,” the tendency to oversimplify our behaviors down to just brain activity.

In under 3 minutes, we answer your questions!

To listen to the last episodes, you can click here:

⁠Could gamophobia be hurting your relationship?⁠

⁠How do I know when to end a friendship?⁠

⁠How often should I wash my hair?⁠

A podcast written and realised by Amber Minogue.

First Broadcast: 13/6/2024

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Why do couples often look alike? May 12, 2026

Show notes

You may remember we talked about whether or not opposites attract in a recent episode of Do You Really Know. As it turns out, more often than not, couples tend to share a lot of characteristics, and it’s relatively rare for them to be substantially different. When you think about it, it kind of makes sense. After all, it's often easier to be in a relationship and share your life with someone who sees the world in a similar way.

But did you ever consider that on top of that, couples may even share physical characteristics? For example, you may well have heard someone in the past say that a similar-looking couple are a good match, and there are even scientific studies to back that idea up.

What kind of physical traits are we talking about then? Do couples tend to look more and more alike with time? In under 3 minutes, we answer your questions!

To listen to the last episodes, you can click here:

⁠⁠Why do some men get ill after they orgasm?⁠⁠

⁠⁠Is nostalgia good or bad for us?⁠⁠

⁠⁠How can the unisex condom improve my sex life?⁠⁠

A podcast written and realised by Joseph Chance.

First Broadcast: 23/2/2024

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Why are young people looking so old? May 11, 2026

Show notes

If you're aged between 30 and 40, you're part of Generation Y, also known as the ‘millennials’ You may have already said to yourself that the next generation, Gen Z, look much older than their age.

Millennials grew up amid the rise of the wellness industry and numerous public health campaigns that promoted healthy living, think about the messaging around eating five fruits and vegetables a day, staying physically active, and avoiding smoking. Not to mention, there was also a strong push for sun protection awareness. Consequently, Millennials have largely embraced skincare routines and self-care habits that keep them looking youthful.

But how is that possible? Are many Gen Zers really getting these procedures? In under 3 minutes, we answer your questions!

To listen to the last episodes, you can click here:

⁠⁠Why are young people going back to flip phones?⁠⁠

⁠⁠What is “Act your Wage”, Gen Z’s latest work-life trend?⁠⁠

⁠⁠Is bikini waxing harmful for your health?⁠⁠

A podcast written and realised by Amber Minogue.

First broadcast : 05/11/2024

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Why doesn’t every language have a word for blue? May 11, 2026

Show notes

Our planet is full of blue things. The sea, the sky. Blueberries, bluebirds, bluebells. If English is your only language, it’s probably inconceivable to you that a language could exist without a word for blue. After all, it's one of the three primary colours according to traditional colour theory.

And yet in reality not every language in the world does have a specific word for blue. You see, in some languages, blue and green are grouped together as a single category. Linguists sometimes refer to these as “grue” languages, a blend of the words green and blue.

How do people get by without a word for blue? So why do some colours appear later than others? What about modern languages though - surely they all have a word for blue? In under 3 minutes, we answer your questions!

To listen to the latest episodes, click here:

How can I learn 1000 words in a new language?

Does our personality change when we speak in another language?

Are blue eyes really more sensitive to light?

A Bababam Originals podcast written and realised by Joseph Chance.

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