They Proved Your Body Impossible in 1969
And then went right on teaching you the impossible version.
**Note: This piece draws from my original ideas, research, hooks, and metaphors. For editing and some wording, I’ve used AI tools trained on my own books and style, always blending technology with my hands-on curation and oversight. Thank you for being here—Jade.
In 1969 a scientist named Cyrus Levinthal did a piece of arithmetic that should have detonated everything.
He took the story we tell about how your body works. The one in every textbook. The one I was handed in my biochemistry degree and medical training. The one you got in tenth-grade biology and never questioned again, because why would you.
He checked whether the numbers worked.
They didn’t.
They didn’t miss by a little. They missed by longer than the universe has existed.
He published it. They named a paradox after him. It’s sitting in the literature right now, uncontested, a live wire nobody wants to touch. And then everyone went back to teaching the wrong story anyway.
It’s still the story you know. It is, almost certainly, the story you believe about your own body as you sit there reading this.
Here it is. You are a bag of chemicals. Molecules bumping around in warm salt water, colliding at random, until by dumb luck the right ones happen to fit. Lock and key. Repeat a few trillion times a second. That’s your metabolism. Your healing. Your fatigue. Your thoughts. You.
That story has a cost, and you’ve been paying it your whole life.
It’s why you think of your body as a machine that breaks. It’s why, at 3pm, when the exhaustion lands and you can’t explain it, some part of you concludes you’re a poorly built device. It’s why the thing that won’t heal feels like a manufacturing defect. It’s why you keep looking for the missing part.
The story is false. Not “simplified.” Not “close enough for high school.” Provably, mathematically, catastrophically false, and we’ve known since before I was born.
I’m going to show you what’s actually in there instead.
Fair warning: it’s stranger than the cartoon.
And by the end I’m going to tell you the one difference between your body and a corpse. Because a corpse has everything you have. Same atoms. Same molecules. Same shapes, same locks, same keys, all of it, still sitting there, perfectly intact.
Something else is missing.
It turns out to be something classical physics says is impossible.
First, the deal I’m making with you
This territory is thick with people who inflate the science and make things up. I’m going to do my best not to make that mistake, and I’ll show my work the whole way.
Three labels. Established means measured, mainstream understanding, not seriously argued. Contested means real scientists are debating about it right now. Speculative means it’s my reach, or somebody’s. In other words, it’s an educated hypothesis but unproven or not even yet considered… a guess wearing a lab coat.
The most interesting stuff is in the second and third buckets (most interesting to me anyway). We’re going there. You’ll always know which one you’re standing in.
Now. Let me show you the soup.
The soup
Picture a pot on the stove. Peas, carrots, celery, broth.
Now carve a tiny hole in every piece of carrot, shaped so exactly one pea seats into it. Snug. Perfect. One shape, one partner.
Stir the pot.
What are the odds a pea finds a hole? Not bumps a carrot. Finds the hole, arrives at the right angle, and drops in.
Small. Fine. It could happen.
Now do it again.
Now do it ten million more times, in the next second, without missing, or you die.
That’s the story. That’s lock and key. That’s what you were taught your body is: blind molecules, tumbling through the dark, finding their exact partners by luck, fast enough and often enough to keep you breathing.
And it gets worse, because molecules don’t even swim. They wander. That’s diffusion, and it’s brilliant across small, microscopic distances and absurd across large ones, because the time it takes scales with the square of the distance. Across a synapse, twenty billionths of a meter, a molecule crosses insanely fast.
Across your body, head to toe? A wandering molecule would take sixty to a hundred years to arrive.
Longer than you’ll live. Just to get from your scalp to your foot.
So take that in for a second. Blind things. Wandering a medium they can’t navigate. Hitting exact targets by chance. Ten million times a second. Forever. Or you’re dead.
Some part of you already knows this is insane.
That part of you is right.
Longer than the universe
Here’s what Levinthal actually did.
A protein starts out as a floppy chain, like a beaded necklace dumped on a table. To work, it has to fold into one exact shape. Get it right and you live. Get it wrong and you get sickle cell, or Alzheimer’s, or nothing at all.
Levinthal asked the obvious question. If the chain just wiggles at random until it stumbles onto the right shape... how long?
Take a small protein. A hundred amino acids. Nothing fancy.
It has about 10 to the 143rd power possible shapes.
That number doesn’t mean anything to you. It doesn’t mean anything to me either. So here’s the only comparison that helps: there are roughly 10 to the 80th atoms in the observable universe. Every atom. Every star, every galaxy, every dark corner of everything.
One small protein has vastly more possible shapes than the universe has atoms. Not more than the Earth has atoms. More than everything has atoms. By a margin you can’t picture, and neither can I.
Now let it try shapes at ten trillion per second.
It finds the right one long after the universe has ended.
Real proteins fold in millionths of a second. Every one in your body, right now, doing it constantly, while you read.
This is Levinthal’s paradox. It is not fringe. It is not contested. It’s in the textbooks. And it means the random-bumbling story of your body isn’t slightly off. It is wrong by an unfathomable level.
So when you look at the soup and think there’s no way that’s happenstance, you’re not being mystical.
You’re being correct. You’re just 57 years late, and nobody told you, and they kept teaching you the cartoon anyway.
Here’s what else they didn’t tell you: they figured out the answer.
And the answer is better than the mystery.
The lock reaches out
You already guessed it. You guessed it the moment you looked at the soup.
Something is pulling them together.
You’re right. And we can measure the pull.
There’s an enzyme in your cells right now called superoxide dismutase. One of the fastest things ever measured in biology. And its business end sits at the bottom of a funnel, and that funnel is electrically charged.
Now what does “charged” actually do? Here’s the thing about a charge. It doesn’t just sit there. It reaches. Anything with an electric charge reshapes the space around it, so that other charged things feel a pull without ever being touched. You already know this. Rub a balloon on your head and it lifts your hair from across the room. Static cling. The little zap off a doorknob in winter. Every one of those is a charge reaching across an empty gap and grabbing something. Physicists have a name for that reach. They call it a field.
So the funnel throws a field out around it, and that field is what finds the target, takes hold of it, turns it the right way around, and pulls it home.
But wait. We are not in empty space. We are in water. And water is the one thing that kills an electric field. Water molecules are lopsided, a little positive on one end and a little negative on the other, so they swarm any charge and smother it, like a crowd closing in around someone shouting. Add salt, which is what your body is full of, and it is worse… every dissolved ion is one more body in the crowd. Out in open salt water, a charge can barely reach past itself.
So how does the enzyme reach anything at all?
It cheats. It throws the water out.
The funnel is shaped to evict the water from the pocket. And in that dry little chamber, stripped of the muffling crowd, the field roars back to full strength… somewhere around twenty times stronger than it could ever be out in the open. And the water that does stay doesn’t slosh. It lines up in a thin shell along the surface and helps guide the approach in. This is not fringe. It is mainstream biophysics, and the man who worked out that enzymes run on managed electricity like this, Arieh Warshel, shared the 2013 Nobel Prize in Chemistry for the work behind it.
Read that again, because this is the whole thing. The enzyme does not beat the water. It organizes it. It manages the water around itself so its own field can reach.
The pea does not stumble into the hole. The hole reaches out into the broth and takes the pea.
It does this two billion times a second.
And here’s how we know the field is doing it, and this is my favorite thing in this entire essay:
Turn the field up and it goes faster. In 1992, in Nature, scientists built a better enzyme by strengthening the charge around the opening. They didn’t change its shape. They turned up the pull. It got faster.
Turn the field off and it dies. Remember what salt does to a charge? Throw more of it in the water and you flood the crowd, smother the field, and the enzyme slows to nothing. The shape is untouched. The lock is still a lock. But the reaching stopped, and now it can’t find anything.
You can switch the magic off. With salt.
And the folding? Same answer. The protein isn’t searching 10^143 options. The landscape it moves through is tilted. Sloped toward the answer. It doesn’t find its shape.
It falls into it.
That’s established. All of it. Boring, even, to a biochemist.
So they taught you a lie
Not a wicked one. Scientists call it a lie-to-children: the simple version you get early so you can move on, on the understanding that someone corrects it later.
Nobody corrected it. So let me.
The shape was never the mechanism. The field around the shape is the mechanism.
The lock does not sit there waiting. The lock broadcasts. It fills the space around itself with invisible structure, and that structure does the finding and the choosing and the turning. That tidy fit in the textbook diagram? That’s the last frame of a movie you were never shown.
Nothing in you is bumping into anything by accident. Every level we’ve looked, something is reaching through the space between things and pulling the world into order.
Now. I have to be straight with you, because this is exactly where people like me start reaching.
None of that is quantum. Charged things attract. Slopes slope. It’s ordinary physics, and if I stopped here I’d have shown you something beautiful and completely conventional.
But I’m not stopping here.
Because in one place, life doesn’t just use fields.
In one place, life does something that cannot happen.
The impossible thing
Go down into a mitochondrion. Your power plant. There are a few hundred in every cell you own and they are, right now, keeping you alive.
Here’s the setup. Food gets broken down. Electrons get stripped off it and loaded onto carriers (NADH & FADH2), like cargo. Those carriers hand the electrons to a line of proteins in the mitochondrial membrane, and the electrons fall down that line like water dropping through a series of locks. Each drop pumps protons across the membrane, stacking them up on one side, building pressure behind a dam. Then the pressure releases through a turbine, and the turbine spins out ATP.
ATP is what you spend. Every thought, every heartbeat, every breath, paid for in ATP.
Beautiful. Standard. It’s in the textbook.
Here’s what the textbook mentions in one line and then walks away from.
The electrons cannot make the jumps.
The proteins in that chain are separated by gaps. Empty space, up to about a nanometer and a half. To an electron, that’s a wall. It does not have the energy to get over it. Not “unlikely.” Not “difficult.” It does not have the energy, and in a classical universe the electron stops there, the line jams, the dam never fills, the turbine never turns, and you are a corpse in under a minute.
The electron crosses anyway.
It goes through.
Not over. Not around. Through the wall, because an electron is not a tiny ball sitting at a spot, it’s a smear of probability, and a smear doesn’t stop dead at a barrier. It bleeds through. Some of it comes out the other side.
And what comes out the other side is your next heartbeat.
Picture a ball rolling at a hill it hasn’t a prayer of climbing, and just... showing up on the far side.
That’s not an analogy. That’s the report.
It’s called quantum tunneling, it is established, it’s textbook bioenergetics, nobody argues about it, and it is happening inside you several billion times per second while your eyes move across this sentence.
So here’s the answer to the question you came here with.
Is your metabolism quantum? Yes. It always has been. And if it stopped for four seconds you’d be dead.
Every breath you have ever taken. Your first one. The one you’re taking now. All of it, bought with particles doing something that isn’t allowed.
Which brings me back to the corpse.
A dead body has everything you have. Every atom. Every molecule. Every enzyme, every shape, every lock, every key, all of it lying there completely intact. If the story were true, if you really were a bag of chemicals in salt water, a corpse should work. All the parts are there. Nothing is missing.
Something is missing.
The difference between you and a corpse is that in you, electrons are still walking through walls.
That’s it. That’s the whole difference. You are not a thing. You are not a machine, and you were never a bag of parts. You are an event. You are something that is happening, continuously, and the moment the impossible stops, the parts are still there and you are not.
You’ve been carrying that around your entire life and nobody told you.
Then a bird did something worse
Tunneling is real. But I have to tell you it’s the tame one.
There are stranger quantum things. Coherence, where a crowd of particles stops behaving like a crowd and starts moving as one. Entanglement, where two particles stay linked in a way that classical physics flatly forbids. Fragile things. Things that are supposed to shatter instantly in anything warm and wet, which is a fair description of you.
So the real question isn’t whether your body contains quantum mechanics. It obviously does. The question is whether life uses the fragile stuff. On purpose. As a tool.
Ask a robin.
Migrating birds navigate by the Earth’s magnetic field, and the leading explanation goes like this. Light hits a protein in the bird’s eye called cryptochrome. That creates two molecules whose electrons are quantum-correlated — coherent, maybe entangled, linked in that forbidden way.
Now, the Earth’s magnetic field is pathetically weak. Far too weak to shove a molecule around. It couldn’t move a compass needle without help. But it doesn’t need to shove anything.
It only needs to tip that delicate linked state, by a hair, and change how the pair reacts.
And the bird reads the answer off it. Like looking at a dial.
A living animal grew a compass out of coherence itself. Not out of a magnet. Out of the fragile impossible thing.
That’s the best evidence we have that biology doesn’t merely contain quantum mechanics. Biology exploits it. Strong, mainstream, not fully nailed down.
So: life uses the weird stuff. Settled. The only fight left is how far up it goes.
The part where I take away your favorite fact
Now let me disappoint you on purpose, because you’d have found out eventually and I’d rather you hear it from me.
You’ve probably heard this one: photosynthesis is nearly 100% efficient, classical chemistry could never do that, therefore quantum coherence, therefore life is quantum, therefore the mystics were right.
It’s a great story. I believed it. It’s not what the science says anymore.
In 2007 researchers found long-lived oscillations in photosynthetic complexes and the field lost its mind. This was it. Coherence, steering energy, in a living plant.
Over the next decade it fell apart. Those oscillations look mostly like molecular jiggling, not the electronic coherence anyone hoped for. In 2017 a paper in PNAS said it in the title, which is not a thing physicists usually do: “Nature does not rely on long-lived electronic quantum coherence for photosynthetic energy transfer.” They clocked the real coherence at about 60 femtoseconds. The story needed 1,500. It’s out by a factor of 25 and it’s over.
So the honest line is: photosynthesis is stunning, and whether quantum coherence has anything to do with it is contested, currently losing.
I’m telling you this even though the other version is far better copy, because here’s the thing.
You don’t need it.
Tunneling is still running your mitochondria. The bird still built a compass out of coherence. Take photosynthesis away entirely and I haven’t lost a single thing I’ve told you.
How far up does it go?
This is the edge. Past here I’m speculating.
We know tunneling runs your metabolism. We know a bird makes an instrument out of coherence. Nobody knows whether that organization climbs any higher. Molecules, sure. But tissue? Organs? You?
Your water is not what you think. (Contested.) You’re about 70% water and most of it isn’t sloshing. It’s stacked and ordered against surfaces and membranes, and water near a surface behaves like a different substance than water in a glass. That’s real, and argued about. (You just met the tame, established version of this a few sections ago, the thin ordered shell that helps an enzyme aim. The contested claim is that this ordering runs much bigger and much deeper than anyone can yet show.)
Your tissue glows. (Established, and then contested.) Living tissue emits a trickle of light. Measured, real, no debate. The debate is whether it’s coherent — laser-like instead of lightbulb-like. If it were, that would be organization at the scale of whole tissue, and it would be enormous. That claim is not mainstream.
And here’s the most serious attempt to push quantum into metabolism itself, and how it’s going. (Speculative, and losing.)
Matthew Fisher is a real condensed-matter physicist at UC Santa Barbara, and his idea is built from exactly the right parts: ATP, phosphate, magnesium, calcium phosphate. Actual metabolic machinery. He proposes the phosphorus atoms left over when ATP breaks down carry nuclear spins that could entangle and stay coherent long enough to matter.
If it were true it would be the whole ballgame: quantum information processing, running on your metabolism.
It’s losing. Every long coherence time in that literature is a calculation, not a measurement. Nobody has ever measured the thing. The molecules it depends on have never been seen in a living brain. The symmetry it needs appears not to hold. Independent physicists run the numbers and get answers far too short. The supporting experiments are all co-authored by Fisher, and one of them stops working at normal body pH.
I’m telling you anyway, because this is what a real frontier looks like. A serious man made a bold, specific, falsifiable claim. People tested it. It’s failing.
That’s not a scandal. That’s the whole difference between science and woo. Woo never loses, because it never says anything specific enough to lose.
And here’s mine. (Speculative. Mine. Take it as a guess.)
Your fascia and the interstitial spaces run through your entire body as one continuous, water-filled network. That’s just anatomy. My guess is that this network carries light. A second layer of signaling laid over your nerves.
Not faster. I went looking for faster and I want to tell you plainly that I didn’t find it, and neither has anyone else. There’s no published case that anything in you outruns a nerve. I was wrong about that.
But different in kind, and this is the part I can’t put down. A nerve is a wire. It’s quick, but it only reaches where the cable was laid, and it delivers to one address at a time. To tell a million cells something, the wire has to visit each one.
Light in a continuous medium doesn’t visit. It arrives.
Everywhere. At once.
My question was never really what’s faster. It was how does the whole of you know at the same instant? And a wire is a lousy answer to that question.
Now the objection: nobody has found the receiver. A signal nothing can read is not a signal. There’s no known structure that catches these photons and does anything about it. The skeptic says the light is exhaust. Smoke, not message. And the one serious paper proposing light travels through your nerve sheaths is a computer simulation whose authors proposed real experiments in 2016. Ten years later nobody has run them.
That’s where it stands. My only defense is that we didn’t know the bird’s receiver either, until we found cryptochrome. “We haven’t found it yet” is a reason to look. It is not a reason to believe me.
Come back down. This is about your body.
Let’s leave the physics and come home to the thing I have been wanting to say.
You are not a machine. You’re a process that has to be actively performed, every second, and it runs on something impossible, and it is holding itself together against a universe that is constantly trying to flatten it back into dust.
That’s not poetry. That’s thermodynamics… entropy. Everything drifts toward disorder unless something pays to stop it. A rock doesn’t pay. A corpse stopped paying. You are paying, right now, and the currency is the impossible thing in your mitochondria.
You are a flame that has to be lit continuously or it isn’t a flame.
Which reframes almost everything I do for a living.
When you’re wrecked at 3pm, you’re not a broken device. You’re a fire not being fed. When something won’t heal, it’s not a defective part. It’s an ordering process that’s been interrupted. Your body was never a machine that breaks down. It’s an order that has to be maintained. Those are different problems with different answers, and you have been handed the wrong one your whole life.
And here’s where I have to be careful.
My framework, SIGNAL, is about how identity reshapes a body. How belief becomes biology. And the skeptic’s question is fair: how? How does what you believe about yourself get down into a cell?
If the body runs on fields and order and resonance, and not on lucky collisions... then it stops being mysterious that attention and belief could change the conditions. You wouldn’t be thinking your cells well by magic. You’d be changing the terms a resonant system is running under.
Notice every if. That bridge is a hypothesis. It is not a mechanism. I have not proven it and neither has anyone else.
But now look at what isn’t in doubt.
Belief changes flesh. Hand someone a sugar pill they believe is medicine and their pain drops. Parkinson’s patients release real dopamine for a fake pill. This isn’t a curiosity out at the edge of medicine. It’s so powerful and so relentless that every drug trial ever run has to be specifically engineered to defeat it. We spend billions of dollars a year fighting the fact that belief changes bodies.
That’s a lot of money to spend on something people call soft.
And it gets stranger. Tell people the truth, right to their face — this is a sugar pill, there’s nothing in it — and a real number of them still get better. Knowing doesn’t switch it off. Something about being tended to gets in anyway.
So the honest version, and it’s the strongest thing I’ve got: that your mind reshapes your body is established. How deep it reaches, whether it bottoms out in ordinary chemistry or in something stranger, is exactly the question this whole essay has been circling.
I can defend that in any room. It doesn’t need the overreach. It’s better without it.
The next verse
They handed you a story about yourself and it was wrong, and it was proven wrong in 1969, and they kept teaching it, and you built a life on top of it.
You thought you were a bag of parts. You thought your body was a machine that was slowly failing and needed the right supplement, the right protocol, the right replacement piece.
None of that was ever true.
Nothing in you is happenstance. Locks reach out through empty space and take hold of their keys. Landscapes tilt themselves toward the answer. And in the engine room, right now, in the dark, particles are walking through solid walls to buy your next heartbeat, and if they stop, every part of you stays exactly where it is and you go somewhere else entirely.
That’s not a theory. That’s happening while you read this line.
How much further it goes, I don’t know. Nobody does. Whether your fascia carries light, whether your water is coherent, whether belief reaches all the way down to the electrons... genuinely open, genuinely unproven, and I’m not going to pretend otherwise to make this land harder.
But you don’t need the frontier to settle before you change how you treat yourself. You only need to stop believing you’re a machine.
You are not a thing that broke.
You’re a fire that needs tending. And you were never being asked to fix yourself. You were being asked to keep the impossible going.
The parts were never the point.
What are you going to do with the next verse?
P.S. If this cracked something open... if “I’m not a machine that broke, I’m a fire that needs tending” landed somewhere you weren’t expecting... then you might be one of the people I built the Human Architect for. It’s for those who don’t just want to understand this, but to work with it: to become someone who can tend that fire, in themselves first, and then in everyone they serve.
Explore the Human Architect → (link: https://nextlevelhuman.com/human-coach )
The ledger, because I promised.
Established: quantum tunneling in mitochondrial respiration and in enzymes; electrostatic steering (including the desolvated, low-dielectric active site and its ordered surface-water shell); folding funnels; Levinthal’s paradox; ultraweak light emission from tissue; the mind’s measurable effect on the body (placebo, open-label placebo, psychoneuroimmunology).
Contested:the bird’s radical-pair compass (strong, not fully closed); quantum coherence in photosynthesis (currently losing); structured/coherent water at large scale; biophoton coherence.
Speculative:Fisher’s Posner-molecule proposal (serious, peer-reviewed, and failing on physical grounds); fascial light signaling (mine); the quantum interpretation of mind-body effects (mine). Hold each exactly as tightly as its evidence allows, and no tighter. That discipline isn’t the enemy of the wonder. It’s the only reason you should trust me about the wonder.
References
Levinthal, C. (1969). How to fold graciously. In Mössbauer spectroscopy in biological systems: Proceedings of a meeting held at Allerton House, Monticello, Illinois (pp. 22–24). University of Illinois Press.
Dill, K. A., & Chan, H. S. (1997). From Levinthal to pathways to funnels. Nature Structural Biology, 4(1), 10–19. https://doi.org/10.1038/nsb0197-10
Getzoff, E. D., Cabelli, D. E., Fisher, C. L., Parge, H. E., Viezzoli, M. S., Banci, L., & Hallewell, R. A. (1992). Faster superoxide dismutase mutants designed by enhancing electrostatic guidance. Nature, 358(6384), 347–351. https://doi.org/10.1038/358347a0
Warshel, A., Sharma, P. K., Kato, M., Xiang, Y., Liu, H., & Olsson, M. H. M. (2006). Electrostatic basis for enzyme catalysis. Chemical Reviews, 106(8), 3210–3235. https://doi.org/10.1021/cr0503106
Moser, C. C., Keske, J. M., Warncke, K., Farid, R. S., & Dutton, P. L. (1992). Nature of biological electron transfer. Nature, 355(6363), 796–802. https://doi.org/10.1038/355796a0
Page, C. C., Moser, C. C., Chen, X., & Dutton, P. L. (1999). Natural engineering principles of electron tunnelling in biological oxidation–reduction. Nature, 402(6757), 47–52. https://doi.org/10.1038/46972
Hore, P. J., & Mouritsen, H. (2016). The radical-pair mechanism of magnetoreception. Annual Review of Biophysics, 45, 299–344. https://doi.org/10.1146/annurev-biophys-032116-094545
Duan, H.-G., Prokhorenko, V. I., Cogdell, R. J., Ashraf, K., Stevens, A. L., Thorwart, M., & Miller, R. J. D. (2017). Nature does not rely on long-lived electronic quantum coherence for photosynthetic energy transfer. Proceedings of the National Academy of Sciences, 114(32), 8493–8498. https://doi.org/10.1073/pnas.1702261114
Fisher, M. P. A. (2015). Quantum cognition: The possibility of processing with nuclear spins in the brain. Annals of Physics, 362, 593–602. (Preprint: arXiv:1508.05929)
de la Fuente-Fernández, R., Ruth, T. J., Sossi, V., Schulzer, M., Calne, D. B., & Stoessl, A. J. (2001). Expectation and dopamine release: Mechanism of the placebo effect in Parkinson’s disease. Science, 293(5532), 1164–1166. https://doi.org/10.1126/science.1060937
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A sharp reader is going to notice something here, so let me get ahead of it. I played a little trick on you at the beginning of this piece. Did you catch it? The diffusion problem is real, but it was never really about crossing your body head to toe. That part is handled by plumbing, not physics. Your blood is pumped. It doesn't wander there on its own, and it was never supposed to. The actual mystery is smaller and weirder than the number I gave you. It's not about the trip. It's about the landing. Getting the pea and the carrot to find each other at exactly the right angle, dock, and hold, ten million times a second, without missing, that's the part the lock-and-key model never explains, because a shape sitting still in a textbook diagram doesn't reach out and grab anything. Something has to close that last, tiny gap on purpose. That's the field.
But there's something stranger underneath that, and I have to be honest, it isn't proven. It's speculative, right at the edge of what anyone can currently defend. Still, the science is inching toward the idea that your body might be running a second, faster system underneath the nervous system entirely, not molecules, not even electricity in a wire, but light.
Here's what's actually out there on that front. Living tissue genuinely emits a faint, measurable trickle of light. Nobody disputes that part; the debate is what it means. In 2016 a physicist and a neuroscientist published a detailed theoretical model proposing that myelin, the fatty sheath wrapped around nerve fibers, could act as a literal fiber-optic waveguide, since its refractive index is higher than the tissue around it. They laid out real experiments to test it. Ten years later, nobody's run them. A smaller group of researchers has pushed the same logic into fascia specifically, arguing its liquid-crystal structure lets it carry these signals body-wide, and one recent paper frames the whole myofascial network as something closer to a semiconductor, a second communication layer under the nerves. So the fascia guess isn't just mine, I'm in real company here, just not mainstream company. The wall nobody's gotten past is simple: no one has ever found a confirmed receiver, something in living tissue that catches these photons and does anything with them. Until somebody finds this system's version of the bird's cryptochrome, "the light is a signal" and "the light is just exhaust" are both still standing.
Thank you for explaining our living system like that. It infused me with such awe for my body. I will think of your metaphor of tending the flame when I’m fatigued and examine more closely my beliefs now.