One afternoon, I was talking to a little girl. She asked me, “Do scientists discover something every single day?” The question made me laugh, but deep inside, I paused. Because as simple as the question sounds, it’s just as profound. Since childhood, we’ve learned—scientists make discoveries. New planets, new medicines, new devices. But is a scientist’s job only about “discovery”? Or is there more to it—something we rarely see or talk about?
The truth is, a scientist’s day doesn’t begin with the thrill of discovery, but with the uncertainty of exploration. When they walk into the lab in the morning, they don’t know what results the day will bring. They don’t know if the theory will hold, if the machine will work properly, or if the data will fail again as before. Yet they begin. Because they know—science is not about certain answers, but about having the courage to live with questions.
When we use the word “discovery”, it seems like a sudden stroke of luck. As if one day, the scientist opens a bottle and releases a new truth. In reality, discoveries are rarely sudden. They come at the end of long explorations. Years and years of mistakes, failures, and doubts culminate in a day when suddenly a door opens. And then we put a label on that door: discovery.
Exploration is that silent, overlooked part we don’t see. The failed nights in the lab, the unsuccessful projects, the rejected grants—none of these make it into the paper. Yet they are the daily reality of scientists. So the real work of a scientist is not about discovering, but continuing the exploration—when no one is clapping, no headlines are being made, still they persist.
If we look closely at history, this picture becomes even clearer. We know that Marie Curie discovered radium. But we rarely talk about how many years she worked with unknown ores, how many days were wasted chasing wrong assumptions. We know the story of Newton’s apple, but we don’t know about the hundreds of nights filled with failed calculations. We sum up Einstein’s theory of relativity in a single formula, but behind that formula were years of solitary thought.
We usually make heroes of discoverers and forget the explorers. Yet the heroism is hidden in that very silence. The one who doesn’t know if they will succeed, yet walks into the lab again the next day—this is the real scientist.
This raises an important question—do scientists “find new things,” or do they see “old things” in new ways? The reality is, most of the time, scientists are not discovering something entirely new, but rather seeing familiar things with fresh eyes. Apples had fallen before, but Newton saw them differently. Light had always been there, but Einstein thought of it in a new way.
So exploration doesn’t just mean walking into the unknown, but also questioning the familiar. Daring to re-examine what we already “know”—that is the courage of science. A scientist is someone who does not take what was learned in the classroom as the absolute truth, but wonders, “What if there is a flaw?”
In the context of Bangladesh, this question is even more vital. In our society, many still see a scientist as a “bookish” person or “someone from the lab.” But in reality, a scientist is a problem solver. They work on dengue, think about river erosion, identify crop diseases, worry about urban air pollution. Here, discovery may not be about a new planet, but a new method—one that makes people’s lives a little better.
In this space, the boundary between discovery and exploration almost disappears. Because a scientist may not invent a new device or give a new theory, but they might offer a new way of understanding a problem. Sometimes, that new understanding is the greatest discovery.
Yet when we teach science, we focus on results, not process. We teach the formula, but not the struggle that led to it. So children assume that science is about knowing the answers, not asking questions. But in the heart of a scientist, there are questions, not answers.
Every day, a scientist does one thing—embraces mistakes. Because every mistake brings them closer to the next question. Exploration means living peacefully with errors, such that mistakes do not break you, but instead teach you.
In today’s world, the role of the scientist has become even more complex. It’s no longer enough to sit and research in the lab—they have to explain their work to society, to decision-makers. Scientists are now researchers, teachers, speakers, and sometimes even advocates. On issues like climate change, pandemics, and artificial intelligence—a scientist can no longer remain a neutral observer.
This does not mean that science becomes politics. It means that exploration will not be confined to nature alone; it will extend into society. How people live, how disease spreads, how information is received—these too are now scientific questions.
In this context, the question of discovery versus exploration becomes one of mindset. If you think a scientist’s job is only to do “something new,” you will be disappointed. Because something new comes rarely. But if you understand that the scientist’s job is to walk a little closer to the truth every day, then every day your work will be meaningful.
The biggest mistake of a young researcher is to see themselves only as a discoverer. That brings more pressure, more frustration. But if you see yourself as an explorer, then failure becomes a part of the journey, not a disease.
This is not a trivial difference. It frees you mentally. You stop wondering, “Did I find something today?” and start thinking, “Did I understand something today?”
Science is really the name of the place where people learn to doubt what they know. This learning itself is a scientist’s greatest work. The invention of new devices is its external manifestation. The creation of new ideas is the inner work.
Maybe one day someone will write your name in a book too, saying—“They discovered this or that.” But behind that one line will be years and years of your exploration. And to be honest, that exploration is your true identity.
So, what is a scientist’s real job?
Not discovery—steadfastness.
Not celebration—practice.
Not the answer—the question.
And it is the courage to live within this question that makes a person a scientist.
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