SARATH THARAYILSARATH THARAYIL
WRITEUPSCONCEPTSPROJECTSLABABOUT
മ
/ SYSTEM

Building thoughtful software, writing notes, and shipping experiments across data, AI, and the web.

No cookies, no tracking. Preferences are stored locally in your browser. Anonymous view counts are kept server-side.

© 2026 Sarath Tharayil/IST --:--:--
++++

We Are Not Made for This World. We Conquered It Anyway.

We Are Not Made for This World. We Conquered It Anyway.

/ METADATA
DATE:2026.5.14
AUTHOR:SARATH THARAYIL
READING TIME:7 MIN READ
ENGAGEMENT:--
CATEGORIES:
Personal
NAVIGATE:← GO BACK
2026.5.14·7 MIN READ← back
Personal
/ ARTICLE

I built 1 in 8 Billion because I could not stop thinking about something.

Eight billion people, alive right now, each carrying their own entire interior world. Each one of them woke up this morning with a completely private version of reality in their head. Worries, memories, small jokes nobody else finds funny, an opinion about the weather, a face they cannot stop thinking about. A whole life, happening in parallel with yours, invisible to you.

That kept pulling at me. The strangeness of it. The scale of it. So I built a lab experiment to try to make it feel real.

But before I get to what the lab is about, I want to talk about what a genuinely bizarre species we are.


We are, objectively, not impressive

Go through the checklist.

Speed? A cheetah does 112 km/h. We top out around 45 km/h if we are Usain Bolt, and roughly 12 km/h if we are anyone else. A domestic dog outruns most humans without trying.

Strength? A chimpanzee is about twice as strong as a human, pound for pound. A gorilla can lift ten times its body weight. We invented the gym specifically to compensate for this.

Eyesight? Eagles can see eight times better than us from the same distance. Mantis shrimp perceive sixteen color channels. We see three and act like we invented vision.

Smell? A dog smells what happened in this room yesterday. A bear can smell something from 30 km away. We cannot even reliably detect when something is burning until it is a bit late.

Endurance? Some birds migrate 70,000 km per year non-stop. We get tired climbing a flight of stairs if we have been sitting for too long.

By almost every physical metric, we are solidly mid. Not the worst. Not remotely close to the best.

The animal kingdom report card, human edition

Speed (top km/h)

Cheetah
112
Horse
70
Dog
48
Human
45
Sloth
0.27

Cheetah wins. We are not even close.

Strength (lift vs body weight)

Gorilla
10
Chimp
5
Bear
4
Human
1.5

A chimp would destroy us in an arm wrestle.

Vision (detail)

Eagle
10
Cat
7
Hawk
8
Human
1

Eagles can spot a rabbit from 3 km away.

Smell (sensitivity)

Dog
10
Bear
9
Rat
6
Human
1

A dog smells what happened here yesterday.

except this one

Cumulative knowledge (pass to next gen)

Human
10
Chimp
1.2
Crow
0.8
Dolphin
0.9
Wolf
0.5

Every other animal starts from zero each generation. We do not.

And yet.


We have one trick

Everything we have, everything we built, every city and flight and vaccine and symphony, came from one upgrade: a brain that could model the future, build tools, and pass those tools to the next brain.

300,000years ago.One idea.( not fast. )( not strong. )( barely here. )

hominin, probably very confused, definitely onto something

A hominin 300,000 years ago could not outrun the thing hunting it. Could not outswim what lived in the river. Would lose in a direct fight against almost anything its own size. But it could sit with others around a fire and say: if we coordinate differently, we eat more. It could point at the horizon and say: there is water there, trust me. It could scratch a mark into rock and leave information for someone who would not be born for a thousand years.

That is the trick. Not just intelligence. Cumulative intelligence. Each generation picks up where the last one left off. Every wolf pack has to rediscover how to hunt. Every crow that learns to use a tool does not automatically teach every other crow. We keep the knowledge. We write it down, tell stories about it, build institutions around it. We compound.

A thousand years of compounding knowledge looks like this: from a species that barely survived its first winters to a species that built the internet, sequenced the human genome, and sent a piano-sized spacecraft past the edge of the solar system.

Not bad for an animal that cannot smell rain coming.


Then we went everywhere

You cannot stop a species that can model the future and pass knowledge forward. We left Africa. We crossed land bridges. We sailed open ocean without GPS in boats that should not have worked. We built cities in deserts where nothing should grow. We settled tundra, mountains, rainforests, and islands scattered across the widest ocean on Earth.

Where humans went, and when

East Africa300,000 years ago
First Homo sapiens
Levant / West Asia70,000 years ago
Out of Africa expansion
South Asia60,000 years ago
Coastal migration route
Australia50,000 years ago
Crossed open ocean to reach it
Europe45,000 years ago
Ice age, megafauna, cave art
Arctic Circle30,000 years ago
Built shelters in -40°C
The Americas15,000 years ago
Crossed the Bering land bridge
Everywhere else3,000 years ago
Pacific islands, Sahara, Himalayas
left the planet
Low Earth Orbit1961
First human in space
The Moon1969
Armstrong steps out
ISS (400 km up)2000 - now
Continuously occupied since 2000
Mars surface2021
Perseverance rover, Ingenuity helicopter

and we are not done yet.

We are in the Amazon jungle right now. We are on research stations in Antarctica, living through winters where the temperature makes Mars look mild. We are on ships in the middle of the Pacific. We have been on the Moon. We are building a station that orbits the planet every 90 minutes, and there are always people up there, looking down, right now, while you read this.

No other species does this. No other species even has the concept of trying.

A crow is intelligent. A dolphin is extraordinary. An octopus solves puzzles in ways that make scientists rethink what intelligence even means. But none of them are on the Moon. None of them are planning a return trip.

We are the species that looked up at a rock 384,000 km away and decided to go there. Then went. Then went back. Then sent a car to drive around on Mars and take photos.

It is honestly one of the most ridiculous things that has ever happened on this planet.


Back to the eight billion

Here is where it lands for me.

Each of those eight billion people has a commute, or a walk to a market, or a long boat ride across a river. Each one woke up this morning and navigated some version of: bills, family, health, loneliness, the pressure of keeping up with whatever the world is asking of them this week.

Most of it invisible to everyone else.

A grandmother somewhere managing a difficult family situation with a lot of quiet dignity. A teenager teaching himself something online at 2am because he wants a different life and this is the only hour he has. A factory worker who is exhausted but still calls his mother every Sunday. A nurse finishing a night shift, sitting in the car for five minutes before driving home, too tired to move just yet.

None of them are on the news. All of them are doing the thing. Every day. Mostly without applause.

The thing nobody says enough

Most people are trying their best with what they have. Not all of them. But most.

The world moves fast right now. The pace of it is genuinely hard to keep up with. Technology, news, expectations, the constant hum of everything changing. A person alive in 1980 had 40 years to adjust to changes that happened in the last five. We are all adapting in real time, most of us without a manual.

And the vast majority of people are still showing up. Still getting the kids to school. Still doing the work. Still trying to be decent to the people around them, even on the days when they feel like they are barely holding together.

I find that genuinely moving.


Why the lab

The 1 in 8 Billion lab is about the probability of your existence. About how absurd it is that you specifically are here: your exact combination of ancestors, timing, biology, geography, choices. The number is so small it barely makes sense as a number.

But the thing I kept running into while building it was something else.

You are not the only improbable one. Everyone is.

The person next to you on the bus. The man arguing on the phone outside a shop. The child who just knocked something over and looks mortified. All of them are the result of an unbroken chain of survival stretching back billions of years. All of them are carrying an interior world as complete and complicated as yours.

We are not consistently kind to each other. We are frequently shortsighted and tribal and wrong. History is not short on evidence for the bad parts, and I am not trying to paper over any of that.

But we also built Notre Dame. And jazz. And vaccines. And the sentence: I know you are struggling and I am here. We invented the concept of trying to understand someone else's experience from the inside. We write letters to people who are not born yet. We plant trees we will never sit under.

We are the species that decided some things are beautiful. That made that a category.


I am proud of us

Not in the uncritical way. Not in the way that ignores the parts that are broken or cruel or avoidable.

In the honest way. The way you are proud of someone you know well, including all the ways they disappoint you. The way you can hold the whole picture, the good and the bad together, and still feel something warm when you look at it.

We are a strange, soft, enormous-brained, tool-using, story-telling, light-making species. We came from somewhere almost unimaginably far back. We are here right now, in the middle of something we do not fully understand, doing our best to keep up, to connect, to make something worth making.

Eight billion individual versions of that. Each one unrepeatable.

I love us.


If you want to spend ten minutes sitting with how improbable and brief and strange your specific existence is, the lab is at /lab/one-in-8-billion. Enter your birth date. It is better if you do.

If this was worth sharing, send it to someone on 𝕏 or LinkedIn. Got a question or a thought? Drop me a message — I read everything. If this was worth your time, .

Sarath Tharayil
/ SEE ALSO
All Of This I Did, Without YouApr 24, 2026Building a Personal Archive for the Language I Think InApr 19, 2026My Friend Wrote About Love and LanguageApr 10, 2026
/ CONTENTS(6)
We are, objectively, not impressiveWe have one trickThen we went everywhereBack to the eight billionWhy the labI am proud of us
--
/ THAT'S A WRAP

Have a great day.

Thanks for reading all the way to the end.