Zuzana Manová
Bio
Answering life’s biggest (and smallest) questions—because curiosity has no limits.
Stories (19)
Filter by community
What’s the True Purpose of Sleep, and What Happens If We Stop?
Why Do We Sleep? Every night, millions of people surrender to sleep, a state of vulnerability and stillness that consumes nearly a third of our lives. But why? The answer isn’t as straightforward as it seems. Sleep is essential, but its exact purpose has puzzled scientists for centuries.
By Zuzana Manováabout a year ago in Humans
What Is Dark Matter and How Does It Shape the Universe?
The Cosmic Mystery The universe is a vast expanse filled with galaxies, stars, and planets, all seemingly visible and tangible. But what if I told you that everything we can see accounts for only a fraction of what exists? The majority of the universe is made up of something unseen, something that neither emits nor absorbs light. This mysterious substance is known as dark matter, and it plays a crucial role in the structure and behavior of the cosmos.
By Zuzana Manováabout a year ago in Earth
What Is Dark Matter and How Does It Shape the Universe?
The Cosmic Mystery The universe is a vast expanse filled with galaxies, stars, and planets, all seemingly visible and tangible. But what if I told you that everything we can see accounts for only a fraction of what exists? The majority of the universe is made up of something unseen, something that neither emits nor absorbs light. This mysterious substance is known as dark matter, and it plays a crucial role in the structure and behavior of the cosmos.
By Zuzana Manováabout a year ago in Earth
What Would Happen If the Moon Disappeared?
The Unseen Guardian The moon is more than a beautiful celestial object that lights up our nights. It’s a stabilizing force, a timekeeper, and a tide master, silently shaping life on Earth. But what if one day, the moon simply vanished? Would we notice its absence beyond darker skies? The answer is both fascinating and alarming. Let’s explore the cascading consequences of a moonless Earth.
By Zuzana Manováabout a year ago in Earth
Why Does Time Seem to Fly Faster as We Age?
The Paradox of Time When you were a child, summers felt endless, days stretched on forever, and waiting for your birthday seemed like an eternity. Now, as an adult, you blink, and another year has passed. Why does time appear to speed up as we grow older? This universal experience has intrigued philosophers, psychologists, and neuroscientists for centuries. Let’s unravel the mysteries behind our shifting perception of time.
By Zuzana Manováabout a year ago in Humans
How Old Is the Ocean and What Lies in Its Deepest Depths?
A Vast and Ancient Blue World Imagine standing on a beach, gazing out at the endless expanse of the ocean. Beneath its surface lies a story billions of years in the making. The oceans, which cover over 70% of our planet, have been around for a staggering length of time—longer than life itself. But how old are they, exactly? And what secrets do their deepest, darkest regions hold? Let’s dive into the mysteries of this ancient and enigmatic world.
By Zuzana Manováabout a year ago in Earth
Why Do We Favor Certain Colors Over Others?
Take a moment to think about your favorite color. Is it the calming blue of the ocean, the energizing yellow of the sun, or perhaps the bold red of a blooming rose? While color preference may seem like a matter of personal taste, the reasons behind why we’re drawn to certain hues are far more complex. It’s a mix of biology, psychology, and culture, woven into the very fabric of human experience.
By Zuzana Manováabout a year ago in Humans
Why Do We Get Goosebumps, and What Are They For?
Imagine walking into a chilly room or hearing a song so moving that it sends shivers down your spine. In that moment, you look down to see your skin covered in tiny bumps—a phenomenon we call "goosebumps." But what exactly causes this peculiar reaction, and does it serve any purpose in our modern lives? Let’s dive into the fascinating world of goosebumps and explore their evolutionary origins, biological mechanisms, and emotional triggers.
By Zuzana Manováabout a year ago in Humans
Why Are Some People Left-Handed While Others Are Right-Handed?
Have you ever wondered why most people are right-handed while a smaller percentage use their left hand? Handedness, or the preference for using one hand over the other, has puzzled scientists and historians for centuries. It’s a trait that’s deeply ingrained in human biology, culture, and evolution. Let’s unravel the mystery of why lefties and righties exist and how this seemingly small detail shapes the way we interact with the world.
By Zuzana Manováabout a year ago in Humans
What Would Happen If the Sun Suddenly Went Out?
Have you ever wondered what would happen if the Sun—the star that fuels all life on Earth—suddenly went dark? The thought is terrifying, yet fascinating. The Sun is our ultimate source of energy, warmth, and light. Its abrupt disappearance would trigger a series of catastrophic events, reshaping life on Earth in ways we can barely imagine. Let’s dive into this chilling scenario and uncover the science behind what would happen if our closest star suddenly vanished.
By Zuzana Manováabout a year ago in Earth
How Human Intuition Works, and Can We Trust It?
Have you ever had a gut feeling that something wasn’t right or an unexplainable hunch that led you to make a decision? Intuition is one of the most mysterious and fascinating aspects of human cognition. But what exactly is intuition, how does it work, and can we rely on it to guide us?
By Zuzana Manováabout a year ago in Humans
Why Do We Yawn, and Is Yawning Really Contagious?
Imagine sitting in a quiet room when someone nearby lets out a long, deep yawn. Before you know it, your own mouth stretches wide, and you’re yawning too. Why does this happen? Yawning is one of the most common yet least understood human behaviors. It’s universal across cultures, present in many animal species, and oddly contagious. But what causes yawning, and why do we feel compelled to join in?
By Zuzana Manováabout a year ago in Humans
