Cosmos, Life, Mind, Cosmos

I've been chewing on something I can't quite shake, and I have none of the training you'd need to actually answer it. So take this as a person wondering out loud, not a theory.

It starts with a fact I find hard to believe, even though it's true.

Everything I'm made of was once inside a star. Not poetically. Literally. The carbon, the oxygen, the iron in my blood, the calcium in my bones. None of it was around at the beginning. When the universe started it made almost nothing worth mentioning: hydrogen, a bit of helium, a pinch of lithium. That was the whole shopping list. Everything heavier had to be cooked, and the only ovens hot enough were the insides of stars.

So stars lived, and stars died, and when they died they threw their ingredients back out into space. That dust drifted around for a while, clumped together, and eventually some of it turned into planets. And on at least one of them it kept going until it became something that could sit up and go "wait, what?"

That last step is the one that gets me.

Carl Sagan put it better than I can, back in 1980: "We are made of star-stuff. We are a way for the cosmos to know itself." People quote it like it's a nice line for a poster. But he meant it plainly. The atoms that were forged in a star are now arranged into a shape that can look back at the star and wonder about it. Somewhere along the line the ingredients started asking about the recipe.

The thought I keep having

Here's where I probably go off the rails, so hold it lightly.

We talk about the universe as if we're standing outside it, looking in. Us here, the universe over there, and we study it through the glass like it's an aquarium. But that can't be right, because there is no outside. There's no glass. I'm not looking at the universe. I'm a small piece of it that got arranged in a way that can notice the rest.

And if that's true, then maybe consciousness isn't a thing that showed up inside the universe. Maybe it's something the universe is doing. A way for a bit of it to feel itself from the inside for a little while.

I might be completely wrong about this. But it turns out I'm not the only one who's wondered.

Some very smart people wondered too

Which was a relief, honestly.

John Wheeler, the physicist who gave us the phrase "black hole," spent his last years on an idea he called the participatory universe. Roughly: the universe expands, cools, takes its time, and eventually produces observers. And those observers, just by observing, somehow hand reality back to the thing that made them. A colleague boiled it down to four words that stuck with me. Cosmos, life, mind, cosmos. A loop that bites its own tail.

Then there's a whole camp of scientists and philosophers who suspect consciousness might be a basic ingredient of reality, like mass or charge, rather than a trick biology stumbled into. In their version awareness isn't something a brain suddenly manufactures once it gets complicated enough. It's already in the mix, and a brain is just the spot where enough of it piles up to say the word "I."

I have no idea if they're right. I just love that the question is even on the table.

The part where I keep myself honest

Because I don't want to skip the obvious problem: most scientists think all of this is nonsense.

The sober view is that consciousness is simply what a brain does. It evolved because an animal that can picture the world tends to outlive one that can't, and that's the whole story. No cosmic loop, no hidden meaning. The brain switches off, the lights go out, and the universe carries on in the dark exactly as before.

And they have a point. In 2023 more than a hundred scientists signed a letter warning that one of these "consciousness is everywhere" theories had wandered somewhere it couldn't be tested, even in principle, which is a polite way of saying it had stopped being science and started being a bedtime story. The second you say the universe made us on purpose, to look at itself, you've decided the universe has wants. And there's no sign it wants anything. It isn't sitting there hoping for an audience.

So I won't pretend it is. I don't think the cosmos went shopping for a mirror.

And yet

Even after you throw out all the romance, one thing survives, and it's enough for me.

You don't need the universe to have planned any of this for it to be a little ridiculous that it happened.

Take hydrogen. The simplest thing there is. One proton, one electron, and absolutely no ambition. Add gravity. Wait a few billion years, which is admittedly asking a lot. And that same dull hydrogen slowly becomes stars, and the stars cook up heavier stuff, and the heavier stuff becomes oceans and fish and, eventually, someone sitting quietly on a small blue planet, thinking about hydrogen.

Nobody had to want that for it to be true. It's true anyway. Somehow, at least here, at least this once, the universe has ended up aware of its own existence. It took around fourteen billion years, and right now it's doing it through me, and through you, reading this.

I don't have a conclusion. That's sort of the point.

But sometimes I go outside at night and look up and feel very small. And lately I've started to think I might have it slightly backwards. Maybe that isn't me, looking up at the universe.

Maybe it's the universe, for a moment, having a look at itself.