Why Fermentation?

I have been asked this question more than a hundred times.

The first was in India, where I grew up — a country where most career paths still run along well-marked roads, and fermentation science is nowhere on the map. When I told people what I wanted to study, eyebrows went up. Polite pauses. The careful question of what does one do with that? The doubt was not theirs alone. It found its way into me, too. There were nights I sat with it, nights I almost let it win, but I chose to see it through anyway.

I moved to the United States, to Purdue University, and learned I was the only freshman majoring in Fermentation Science. Not as a track within food science, not as a concentration, but as the whole of it. The question followed me across the ocean. Every introduction, every new room: why fermentation? The same words said sometimes with curiosity, sometimes with concern. Start broad, people told me. Specialize later. Don't narrow yourself so early.

I chose fermentation to study wine. I thought I knew what I was walking into, and then the world cracked open. Fermentation, I learned, was not a niche. It was a lens. A way of seeing. Inside every bottle and every loaf and every thread grown rather than woven, there was chemistry and history and culture and care, all of it alive and all of it slow. The microbes that make a wine taste of its place. The cultures rewriting how we feed the planet. The quiet bacteria shaping our moods, our memory, our skin. The more I learned, the wider it grew. What others called narrow, I began to see as bottomless.

This page began as a private project. Every time the doubt returned, I would find something fermentation could do, something strange or beautiful or unreasonable, and I would write it down. Not for anyone. Just for myself, as a way of holding on. Slowly, those notes stopped feeling like a defense and started to feel like an answer. When people asked me why, I began pointing them here, because it was easier to show them than to say it. A year ago, the Beehiiv newsletter began.

Now I want this to be bigger than me.

The Fermentalist is for anyone curious about what is happening in the dark — the chemistry inside a bottle, the fabrics coaxed from yeast, the microbes quietly rewriting what we know about ourselves. It is for the people already in this world, and for the onlookers, and especially for anyone who has been told their interest is too small or too strange or too narrow to be worth a lifetime.

— Manya Kadiwala, Founder