Choses A Savoir public
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Chut est un podcast qui parle de fertilité, d'accouchements, de sexualité. Quelles sont les choses qui se savent tout haut mais qui se disent tout bas ? Les murmures chuchotés à la dérobée ? "Chut, elle ne doit pas savoir". On y parle d'hormones, de grossesse, de contraception, de sexualité, de connaissance de soi, de confiance, de découverte, de résilience. Chut. Pour ouvrir la voix.
 
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On the walls of the Egyptian pyramids, human depictions, and especially depictions of nobility, are often represented in profile. The reason they are designed this way is primarily religious. If you look closely, you’ll notice that the ancient Egyptian characters are not entirely represented in profile. Only the face, the legs and the arms are pain…
 
Have you noticed this before? Try this little experiment: Try to break a raw spaghetti noodle in half with your fingers by bending it until it breaks. If you give it a go, the noodle will most likely break, but not into two pieces. There's no need to feel sorry for yourself if you failed – your skills are not at fault. Raw spaghetti breaks into 3, …
 
The paper clip was indeed a symbol of unity and resistance of a particular nation in the face of the Nazi occupation during the Second World War. And this nation is Norway. It is hard to imagine that such a mundane object, primarily used to hold sheets of paper together, could have had such a great and noble meaning. Yet, history and Norway prove u…
 
It's a fact that the more aviation savvy among you may have already observed: on the whole, airliners fly slower than they used to. If we take a random flight, for example from New York to Denver, it takes 19 minutes longer today than in 1983 to connect the two cities. This seems to go against the grain of technological progress, so what are the fa…
 
The Sphinx of Giza is a monumental statue consisting of two distinct parts: a human face (that of a pharaoh wearing the nemes, the emblematic pharaonic headdress) and the elongated body of a lion. This Sphinx stands in front of the pyramids of the site of Giza, upstream of the Nile Delta in Egypt, near the modern city of Cairo. The Sphinx of Giza i…
 
Before we begin, you should know that there are approximately 930 million left-handed people in the world. But can dominant sides lead people to be better (or worse) in specific subjects? Actually yes. Left-handed individuals are better at mathematics. To reach this conclusion, researchers from the University of Liverpool and Milan conducted a stud…
 
This curious myth that boys are born in cabbages and little girls in roses has not only one but two claimed origins. Here they are. The first of the two theories, claims that since ancient times, cabbage has been a symbol of fertility. This can probably be explained by its form and composition: its countless superimposed leaves. It is known that in…
 
Maybe you've already asked yourself this question. It's quite natural since there are sometimes very few chips in a bag, especially compared to its size. The reason why chip bags are always half empty is that it is necessary for preservation. In fact, if the chips are exposed to oxygen for too long, they soften and spoil quickly. To keep them edibl…
 
Christmas in Japan is a modern tradition that is constantly growing in importance, although the birth of Jesus Christ is rarely celebrated on the occasion. Only 1% of the Japanese population is Christian, so Christmas primarily revolves around the myth of Santa Claus. In Japan, this holiday is not an occasion for family gatherings, but rather meeti…
 
The "Hitler moustache": this is the familiar term used to refer to the mustache that prior to the end of the Second World War, was actually known as the "toothbrush moustache". Inevitably associated with the figure of the Führer, it has unsurprisingly been unfashionable since the mid-1940s. See acast.com/privacy for privacy and opt-out information.…
 
Loneliness affects between 10 and 20% of the population. It is known that loneliness can promote depression, lower the immune system, and even effect development. In order to measure the effects of loneliness on the brain’s mechanisms, a study was carried out using data from an English database. This database collects, among other things, genetic d…
 
As you have no doubt noticed, yawning is a very contagious reflex. This mimicry, specific to humans and certain other primates, is explained by the activation of specific neurons called "mirror neurons". These neurons are activated when we see a person doing certain actions. If we see a person yawning, the mirror neurons lead us to imitate them. Bu…
 
The leaves of laurel, a species of evergreen shrub native to the Mediterranean basin, are often braided into a crown as a reward or as a symbolism of victory. To understand why, we have to go back to ancient Greece, and more specifically to a particular myth. According to ancient Greek mythology, Eros, the god of Love, decided to punish Apollo, the…
 
The Veblen effect, more commonly known as the snobbery effect, can easily be summed up as the fact that we, as humans, like or want to buy objects, not because we need them or because we especially like them, but simply because of their price. Yep, because they’re expensive. This effect was highlighted by the economist and sociologist Thorstein Veb…
 
While not all bacteria that lurk in our homes are dangerous, some can transmit viral diseases and various infections, and some of which can be quite serious. These bacteria hide in every room of your home, but they are most prevalent in the kitchen. Yep, you heard it right. Contrary to popular belief, it is the kitchen and not the bathroom that is …
 
In these times of health crisis and containment, teleworking is on the rise. At home, some people tend to neglect their dress code. So the question is, does working in pajamas have consequences on the quality of our work? For many people, working at home does not imply the same dress codes. Many of us consider feel is no need to be dressed up to si…
 
Listed as a UNESCO World Heritage Site, the Great Wall of China is the largest construction undertaken by man. Built, for the most part, between the 3rd century BC and the 17th century AD, it was intended to protect a unified China from invasions from the north. According to the latest official estimates, the Chinese Wall extends over 20,000 kilome…
 
Published in a specialized newspaper, a recent article echoes a Taiwanese study, which claims the consumption of wine would protect against Covid-19. Unfortunately for all our wine drinkers out there, this claim is anything but true. The study insists on the role of two natural components of wine, tannins, a biochemical found in grape skin or seeds…
 
The strange phrase "zero stroke" refers to a mental disorder that seems quite astonishing, earning it’s position in today’s You’ll Die Smarter episode, and not on a health podcast. So what is it all about? Zero stroke is a suspected mental disorder, diagnosed by doctors in Germany during the hyperinflation in the Weimar Republic (between 1921 and 1…
 
The global symbol for "Peace and love" was invented in 1958. It was created at that time by the British graphic designer Gerald Holtom as part of protests against a nuclear weapons factory. This graphic designer, a graduate of the Royal College of Arts in London, was very involved in the movement. Holtom proposed that the protesters carry flags and…
 
You may have heard that, over time, couples end up looking alike. It has been said that by living together and sharing common activities, the faces of couples begin to resemble one another. This resemblance of couples who have been living together for a long time is a common statement, and sometimes supported by psychologists. See acast.com/privacy…
 
Have you ever noticed that most male pilots are clean-shaven? Or if they have facial hair it is often a simple moustache? In fact, it is extremely rare to see a male airline pilot with a full beard, and there is a very special reason for this. And it has nothing to do with fashion. Let me explain. See acast.com/privacy for privacy and opt-out infor…
 
I’m sure you’re familiar with revolving doors. These types of doors that work like a turnstile are often found at the entrance of department stores and large hotels. Consisting of several wings, usually glazed, the user pushes a wing, causing the entire door to turn. By walking with the turning wings, the user then exits the dial on the other side.…
 
Yes it did, but also no, it didn’t. Before we get into specifics, what was the red phone? The red phone was said to be a direct line of communication between the Pentagon and the Kremlin in Russia, set up in August 1963 after the Cuban missile crisis of the previous year. This episode was, as you may know, a kind of paroxysm of the Cold War. The Am…
 
You may have noticed that maintaining eye contact while speaking can be difficult, even though verbal processing seems like it should be independent. Still, many people frequently look away from their conversers while chatting. So is there an interference between the two processes? Well actually, yes. There is scientific evidence supporting that it…
 
You may have experienced this feeling: you are stuck in a traffic jam or at the bank, in a line that doesn't move forward. You find yourself thinking that you made the wrong choice, and if you had chosen a different line or lane, it would be moving faster. Two medical researchers in Canada have looked at this phenomenon to see if there is any valid…
 
The “Wicked Bible,” also known as the “Sinner’s Bible” is the reprint of the King James' Bible published in 1631, in London, by the royal printers Barker and Lucas. This English translation of the Bible was made at the request of James I of England, and this Bible replaced the previous authorized version at the time, becoming the standard Bible for…
 
Champagne is a sparkling wine produced from 3 grape varieties: Chardonnay, Pinot Noir and Pinot Meunier. It benefits from an appellation of controlled origin, which means that it can only be produced in a specific geographical area and according to specific regulations. And to drink it, there are also rules. Not binding, of course, but there are sp…
 
This characteristic is very old and actually dates back all the way from the 4th century. During this time is when we first see this distinctive hollowed style on the punt, i.e., the bottom of a bottle. The primary purpose of this hollowed punt is to ensure the stability of the bottle when it is placed upright. Why not just make it flat? Fifteen ce…
 
Today the mask is highly recommended in many public places and often required. It is currently considered the best personal protective wear against the Covid-19 pandemic. However, you may have seen some people wearing two masks. Is this more effective? Actually, yes, it may be. This is what a scientific study shows in any case. According to this st…
 
Before picking up their tickets, many passengers have probably wondered where the safest seat on the plane was. While there are no unbiased, official statistics about the safest seats on an airplane, there are small selection of studies show that some seats may be safer than others. For example, studies have been conducted for specialized publicati…
 
As far-fetched as it may sound, some plants can actually hear. In fact, it has been scientifically proven by researchers that plants are perfectly capable of setting up defense mechanisms responding to sound. They discovered that when the sound of a specific predators is played near the plant, their defense mechanism to fight against insects are tr…
 
This strange feeling, this "sick joy" that we may feel when seeing the misfortune of others, has a name: Schadenfreude. This German word literally means "joy of harm". Having been adopted into the English language, it means "to rejoice in the misfortune of others". At first glance, this feeling may appear dangerously close to sadism. Thankfully, we…
 
Perhaps should is a strong word. Of course, you can do whatever you want when it comes to eating. Chopsticks, small forks, your hands, whatever. But, if you want to lose weight, the size of your fork just might matter. At least, that's the conclusion reached by researchers at the University of Utah. Not unlike many of the questions we answer on You…
 
To begin, the title of our podcast is a generalization many of us are familiar with. Some British police officers actually do carry weapons beyond the traditional police baton. So exactly what is the situation? Let’s start with some numbers. In the UK, less than 5% of the police are armed. And these weapons are rarely used. For example, in 2017, ou…
 
To put it briefly, it saved money. But I think that answer is a little short for us. Let’s look a little deeper into the nitty gritty of why that is. To begin with, you should know that writing dates back to approximately 3300 years BC. This is the period from which the first traces of writing have been found in the temples of the cities of Uruk, n…
 
If you have a cat you may have seen this strange but hilarious reaction. House cats seem to have an irrational fear of the ever-threatening cucumber. When this common vegetable is placed next to a cat or they discover it by happenstance, they’ll often leap in the air in startlement. See acast.com/privacy for privacy and opt-out information.…
 
The RMS Titanic, known as the unsinkable ship, struck an iceberg on April 14, 1912 and sank, causing the deaths of over 1,500 passengers. You are probably familiar with James Cameron’s famous 1997 film depicting this event. But this was not at all the first film devoted to this tragedy! See acast.com/privacy for privacy and opt-out information.…
 
You may recognize this hair color from popular media. Sitting between the realms of golden blonde and coppery red, this hair color is also referred to as “strawberry blonde.” But why do some people call it Venetian? How does it relate to city of lovers? Could it be a reference to the color of a Palace at La Serenissima? Or is Venetian a reference t…
 
Let's start by getting the elephant out of the room: the Bible has nothing to do with this list. The fact that the 7 deadly sins come from Bible is a misconception. The 7 deadly sins, also known as the 7 capital sins, came into existence far after the books of the Bible were written. The most modern portions of the Bible date around 165 BC, but the…
 
If you look at the duration of the top 10 best-selling titles in the United States, you'll see that their average duration is 3.5 minutes. It may not sound like much, but in reality, it averages 20 seconds less than songs released merely 5 years ago. And if we go back further to the 1970s it was not uncommon for 7- or 8-minute tracks to come out. F…
 
Bet you didn’t see this one coming. But actually, they share one very simple trait: nicotine. Yep, both contain it. 100 grams of an eggplant contains 0.01 milligrams of nicotine. That means if you were to eat 10 kilos of eggplants, you consuming the nicotine equivalent to one cigarette. While it is a small amount of nicotine, it is still rather sur…
 
The word "lesbian" comes from the name of the Greek island of Lesbos, which is the homeland of the poetess Sappho. Sappho is an ancient Greek poetess who lived in the 7th and 6th centuries BC, in Mytilene on the Greek island of Lesbos. Because she was inhabitant of the island of Lesbos, she was called a “lesbian”. We know that she was very famous d…
 
To answer rather directly, it's for warmth. And it is a survival reflex. But let’s get into the nitty gritty details, shall we? The thermoregulation mechanism culpable is designed to keep the body at 37 degrees. When it is too cold, and the body detects that its temperature is too low, and it triggers a protective reflex. It provokes repeated muscu…
 
An interesting study has just been conducted by a scientist and cognitivist by the name of Frank J. Sulloway. He has studied 700 families, and, to be more precise, 700 siblings. To clarify even further, these siblings all evolved into the world of high-level baseball in the second half of the 20th century. His goal? To try to determine if within si…
 
You're going to tell me that the answer is in the question. You may say “The V of victory comes from the word Victory, which begins with the letter V.” And you will be right. But which victory is it? And just why was the expression accompanied by the gesture? Here’s a little more explanation. According to the historian Aurélie Luneau in her book "R…
 
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