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For Scientific American Science Quickly, I'm Rachel Feltman.

Our guest today is Martin Picard, an associate professor of behavioral medicine at Columbia University.

He's here to tell us all about our mitochondria, what they do for us, and how they can even talk to each other.

If you like to watch your pods instead of just listening, you can check out a video version of my conversation with Martin over on our YouTube page. Plus, you'll get to see some of the aligning mitochondria we're about to talk about in action. Martin, would you tell us a little bit about who you are

and where you work?

Sure. I work at Columbia University. I'm a professor there, and I lead a team of mitochondrial

psychobiologists.

So we try to understand the mind mitochondria connection, how energy and those little living

creatures that populate ourselves, how they actually feed our lives and allow us to be and to think

and to feel and to experience life. Well, before we get into the details, you know, most people know

mitochondria is the powerhouse of the cell, which fun fact, scientific American actually coined

in the 1950s. But what are mitochondria to start us off with a really basic question?

Yes, 1957 is the powerhouse of the cell. There was momentous. That shaped generations of scientists, and now the powerhouse analogy is expired. So it's time for a new perspective. Really mitochondria or small living organelles, like little organs of the cell. And what they do is they transform the food we eat and the oxygen that we breathe, those two things converge inside the mitochondria,

and that gets transformed to a different kind of energy.

Energy is neither created nor destroyed, right?

...