Kevin McMullen, MD
What life invents — and what the universe allows.
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 66 | Founded | 9 months ago | Last Issue | 3 days ago |
| Active | |||||
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Earth Has Been Computing for Four Billion Years
Watch your step
Tortoise beats hare. Everybody knows that.
An army of monkeys eventually produces Shakespeare. Also easy.
Evolution eventually produces complexity.
Records screech, eyelids quiver.
You can’t SAY that.
Evolution is blin...
Every Professor in Every Popular Science Book
I’d take his class, but it starts at 7:30AM
He was a slight man with an unfortunate mustache and the patchy stubble of a rebellious fourteen year old. Curious blue eyes pierced through ponderous, academic brows. An unkempt coif of salt and...
Elon Musk Is Poor
Elon Musk is poor. Or rich. Or something. Big numbers are weird and I can’t picture them.
Let’s play with trillions.
$1.3 trillion, as of writing. That’s a big number, usually. Or it’s small.
I want to do division.
The Earth is 1...
You’re Lazy. Your Body Isn’t.
Thanks to for inspiring this essay during our recent podcast.
You’re lazy. Your body isn’t
It works it’s ass off day in and day out so you can while away your precious time on Earth scrolling through nonsense about kittens or whatever....
Which Species Is Winning?
Kid asks a question:
Which species is winning?
Humans, of course.
Wait, ants? Cockroaches?
No.
Bacteria.
That’s not quite right either.
Depends on how you measure it, I guess.
We’ve spent thousands of years putting ourselves...
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Dermatologist and astrophotographer in Montana, exploring evolution across scales.
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