Hidden secrets of memory

10 surprising facts about memory you probably didn't know

Have you been a little forgetful lately? Here’s the good news: your memory is far more powerful than you might realize! With a capacity no computer can truly match, the human brain is packed with incredible abilities and peculiarities. Join us as we uncover 10 unexpected facts you probably didn’t know about your memory. Trust us; you’re in for a few surprises!

The more we learn about the human brain, the more awesome it proves to be, and memory is one of its most remarkable superpowers. While no one can say exactly how much the brain can store, one thing is clear: its capacity is enormous, far beyond what we typically imagine. In fact, a widely cited estimate suggests the brain could hold around 2.5 million gigabytes of information; that’s roughly the equivalent of 3 million hours of TV!

Learning new things really does change your brain, and not just metaphorically, but physically. That’s right: every time you absorb new information or form a memory, your brain actually reshapes itself. Studies using brain imaging have shown that, thanks to a process called neuroplasticity, your brain builds new neural networks, strengthens connections, and creates new pathways.

Evidence suggests that processed sugar isn’t just bad for your body; it can also affect your brain, especially your memory.

Yes, we need glucose to survive, but diets high in added sugars are a different story. Too much added sugar can damage the hippocampus, the part of the brain responsible for memory formation and learning. When that area is affected, recollection and overall cognitive function can suffer.

When a mom says her newborn smiles at a song she played during pregnancy, believe her: science has proven it! It turns out babies can form sensory and auditory memories while they’re still in the womb, and they can recognize those familiar sounds for a short time after birth.

Human memory is amazing, but it’s not perfect. Sometimes we "remember" things that never happened, or we recall real events in ways that are completely different from how they unfolded. But why does this happen? Memory is shaped by emotions, perspective, and the way we tell experiences. Two people can experience the same event and have very different memories of it. Even more surprising is the fact that every time you tell a story, your brain slightly rewrites it, which means small details can change.

Just like the muscles in your body, your memory can weaken if you don’t use it. And just like your muscles, the way to keep it strong is to give it a workout.

The internet makes everything so easy that our brains don’t have to work as hard. Instead of instantly reaching for your phone, pause and try to recall the information yourself. Challenge your brain! That little bit of effort makes a big difference.

Have you ever walked into a room and completely forgotten why you went in there? Try retracing your steps. And we mean that literally. Research suggests that walking backward boosts activity in the brain’s prefrontal cortex, which plays a key role in short-term memory.

And there’s more: while real movement has real benefits, just imagining yourself walking backward can help you remember!

One of the most powerful ways to lock in new information is through drawing or handwriting. Studies show that writing things down by hand or sketching them helps your brain retain information much better than just typing or rereading. Don’t worry, you don’t have to be an artist; just draw the best picture you can, you’ll thank yourself later!

You don't need antivirus software to delete unnecessary files in your brain. Some memories don’t just fade away over time; your brain actively clears them out. While you sleep, it classifies the day’s information, strengthens what matters, and gets rid of what doesn’t, so it can run more efficiently the next day. Getting a good night’s sleep truly refreshes your mind!

You’ve probably experienced it: just a hint of an old perfume, and suddenly you’re transported back to another time. That’s no coincidence. As we’ve said, memory is deeply connected to experience, and experience is shaped by your senses.

Of all five senses, smell has the strongest link to memory. Unlike sight or sound, scents take a more direct route in the brain, connecting quickly to areas tied to emotion and memory.

Motor + Hotel = Motel

What happens when glamour meets camping? 12 portmanteaus used daily

Image: Joshua Hoehne

Despite the sophisticated name, a portmanteau is nothing but two words mashed together into a single entity that combines both concepts. Many of these terms have become part of our everyday vocabulary. Let’s take a look at 12 everyday examples, where their origins come from, and how we use them today.

Image: Esteban Benites

If you have seen The Office, Parks and Recreation, or Spinal Tap, then you know what a mockumentary is: a movie or TV show filmed in the style of a documentary, but with fictional or humorous content. It combines "mock" and "documentary."

The term took off in the 1980s with examples of the genre, like the aforementioned Spinal Tap, and became more common in the 1990s, with some famous television shows.

Image: Arnel Hasanovic

"Blog" is short for "web log," coined in the 1990s to describe online journals. Early bloggers shared personal thoughts and links in simple posts.

Since then, blogging has exploded into professional media, with blogs covering news, travel, fashion, and more. They remain a key form of online expression and influence.

Image: Glenn Carstens-Peters

Netiquette is the blend of "internet" and "etiquette." It refers to the rules of polite and respectful online communication.

The word dates back to the early days of the internet, when online forums and emails were taking shape. It’s still relevant today as people navigate social media and digital spaces in a respectful manner.

Image: Ben Griffiths

Sitcom stands for "situational comedy," a scripted TV format built around recurring characters in humorous scenarios.

Popularized in the 1950s, sitcoms like I Love Lucy and Cheers shaped American television. The style remains alive today in shows like Friends, The Big Bang Theory, and other current examples.

Image: A. C.

Glamping, a portmanteau of "glamorous" and "camping," describes outdoor stays with luxury comforts. Think tents with beds, electricity, or even Wi-Fi.

The word gained popularity in the 2000s as travelers sought unique, Instagram-worthy experiences. It bridges rustic adventure with modern convenience.

Image: Will Francis

Podcast merges "iPod" and "broadcast." Coined in the early 2000s, it referred to digital audio shows that were often downloaded to portable players.

Now, podcasts are a mainstream medium, covering every topic from true crime to education. Accessible via apps, they’ve become the radio of the internet age.

Image: Kashawn Hernandez

The word cosplay is a portmanteau of "costume" and "play," originating in Japan in the 1980s. It refers to dressing as characters from comics, anime, or films.

The practice spread worldwide and is now a big part of fan conventions everywhere.

Image: Vitaly Gariev

The term mansplain blends "man" and "explain." It refers to when a man explains something condescendingly, often to a woman.

The word gained traction in the late 2000s through blogs and social commentary. It’s widely used today in discussions about gender and communication.

Image: Humble Lamb

Another man-themed portmanteau, murse comes from "man" and "purse." It playfully describes a handbag or satchel carried by men.

Though sometimes used jokingly, the term reflects shifting fashion norms. Today, stylish bags for men can be seen in many places.

Image: wayne shang

A term that became popular during the 1980s, a fanzine combines "fan" and "magazine." It describes DIY publications created by enthusiasts, often about music, comics, or niche hobbies.

First appearing in the mid-20th century, fanzines let fans share ideas before the internet. They’ve since evolved online but still hold a cult appeal in print.

Image: Jamie Brown

Chortle, a blend of "chuckle" and "snort," was coined by the writer Lewis Carroll in his 1871 poem Jabberwocky. It means a joyful, snorting laugh.

The word caught on, entering dictionaries and everyday use. Today, "chortle" can still be read in many different environments as a description of the same action.

Image: Paul Einerhand

Frappuccino merges "frappé" and "cappuccino." Starbucks trademarked it in the 1990s for its blended coffee drinks.

The word now instantly conjures images of iced, creamy concoctions. It’s a marketing success story that made its way from a single company to virtually every coffee shop in the world.