Inside every one of your 37 trillion cells lies a vast internal highway system—a cytoskeleton of hollow microtubules. These microscopic tubes not only maintain the cell’s shape but also serve as tracks for transporting essential cargo. The total length of this system in the human body is estimated to be an astonishing 1.8 million miles.

Microtubules made to fluoresce within a cell

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Microtubules are made of tubulin proteins

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Traveling along the tubular highways are two molecular marvels: Kinesin and Dynein. These are molecular motors—microscopic walking machines that haul cargo through the cell with astonishing coordination and at a breathtaking "walking" speed of 50,000 miles per hour.

Representation of part of the complex structure of one of these molecular motors

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​Kinesin walks outward toward the cell membrane; Dynein walks inward toward the nucleus. In each cellular industrial city, they transport vesicles, mitochondria, chromosomes, proteins, mRNA, and more at blinding speed and with unerring efficiency.

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​Without these motors, there would be no neuronal signaling, cell division, intracellular organization, or thousands of other functions—all essential to life itself.

Molecular motors transporting cargo

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​These motors run on a fuel called ATP produced from the food we eat. Energy is released from ATP to drive the mechanical movement of these walking machines by a combustion-like process using oxygen from the air we breathe. Similarly, gasoline fuel and oxygen combine to combust in a car engine to release energy powering the motion of the vehicle.

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​Each cell contains up to 100,000 of these motors. And remember, you have 37 trillion cells. The traffic on these microtubule highways races along at speeds exceeding 50,000 miles per hour in every cell, every second, for your entire life.
 
Cargo is carried over long distances without getting lost or colliding with others, despite the apparent randomness and chaos of the cell interior. The microscopic size, precision, efficiency, purpose, and coordination of this affair is staggering.
 
All on autopilot. Requiring no effort or even awareness on our part. Just raw, seamless incomprehensible intelligence, coordination, and purpose.
 
The best scientists can do is explore and attempt to describe, as above, what is going on. But nobody has a clue how it all came to be.
 
Much less can anyone even venture a guess as to what is orchestrating--rail traffic controlling-- the incomprehensible chaos in each cell resulting in the ordered perfection of life itself.
 
Conclusion
 
To suggest that such machinery and motors arose by undirected processes like random mutation and natural selection is to abandon rationality. In human experience, purposeful, complex machinery is always the product of intelligent design. No one sees a working engine or robot and concludes it self-assembled by accident. Yet molecular motors are exponentially more sophisticated than anything humans have ever devised.
 
Science should follow the evidence, not beliefs and ideology. Molecular motors demand explanation, not evasion through unsupported claims and vague appeals to time and chance. Molecular machines are not primitive blobs, but nanotechnological marvels. They point unmistakably to a brilliant intelligence behind life, regardless of whether that fits the current academic orthodoxy.
 
Understanding and acknowledging this opens the door to real scientific progress—one grounded in evidence, reason, empiricism, experimentation, and the courage to follow truth wherever it leads.
 
Logical syllogism:
 
1. Complex functional machines and motors require intelligent causation (a maxim, law, axiom, and self-evident truth as obvious as 2+2=4).
 
2. Living organisms contain microtubule and associated molecular complex functional machines.
 
3. Therefore, living organisms are the result of intelligent causation.
 
This conclusion is not about religion.
It’s not about man-made anthropomorphized deities.
It’s about reason, evidence, and truth—the kind that’s visible to the naked eye and under a microscope revealing functions, precision, and automation no human engineer can even begin to rival.