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Where Did Earth Get Its Oceans? Maybe It Made Them Itself

https://www.quantamagazine.org/where-did-earth-get-its-oceans-maybe-it-made-them-itself-20260612/
40•ibobev•2h ago

Comments

thangalin•1h ago
My Impacts project depicts a scene from the prolonged bombardment, a time when Earth was cratered by asteroids and comets:

* https://impacts.to/downloads/lowres/impacts.pdf#page=9

* https://impacts.to/bibliography.pdf

jdw64•1h ago
Life began in the Ocean, but why did civilization begin on land? Is it because of fire? But I wonder if a different kind of civilization could have emerged
vitally3643•1h ago
That's one theory, yes. Cooking food (with fire) makes more calories available, meaning less hunting required to support more individuals, and/or freeing up more time and calories for thinking. This allowed us to evolve bigger and more complex brains.

While it's not a given that fire is a hard prerequisite for an industrial civilization, it certainly accelerated our technological development. Fact of the matter is, we know of exactly one civilization, which is not enough to draw any conclusions. There's no real reason we know of that aquatic species cannot evolve into a technological civilization, we just haven't seen it happen. Fact is we don't really know how an intelligent technological species evolves. We only have guesses from our own history.

smilespray•1h ago
And a sample size of one.
vitally3643•50m ago
That's what I said, yes.
nobodyandproud•36m ago
We have counter examples of human pods that never really achieved “civilization”.

What’s missing that make them more akin to orcas or wolves?

aurareturn•18m ago
Fire, agriculture, electricity, AI.

Rank these inventions in terms of importance to humanity.

ekelsen•58m ago
Interesting to think what could be if cephalopods raised their young instead of leaving them to completely fend for themselves. It would start intergenerational knowledge transfer, i.e. culture. Maybe selection pressure then trends towards group cooperation instead of going it solo.

I still think there would be huge barriers to "civilization" as I think you mean? (Do any of the apes have "civilization"?).

sarkhan•47m ago
Orcas do this already.

I mean there might be a already a civilization that is in the building that will peak 100k years later, and we just don't know about it.

ekelsen•10m ago
having arms is probably an advantage in developing tool-use, but who knows!
Calavar•50m ago
Brains are resource hungry, especially oxygen hungry. Earth's air is orders of magnitude richer in oxygen molecules than its water. This likely made it easier for intelligence to develop on land. It's worth noting that the smartest aquatic animals are air breathing mammals that spent much of their evolutionary history on land before returning to water.
onlypassingthru•42m ago
When did octopuses start breathing air?
Calavar•34m ago
Octopuses are smart, but I've yet to see anything that suggests they are smarter than dolphins or whales.
mapt•27m ago
Both whales and prairie dogs turn out to have rather advanced degrees of verbal language capability, more complex than any of the Great Apes bar homo sapiens. Crows somehow culturally remember the face of an antagonist multiple generations later. Almost every highly social vertebrate has degrees of intelligence that would get you burned as a witch if you'd suggested it not too long ago, in the era when "Fishes clearly don't feel pain" was just a cultural default assumption.
zahlman•46m ago
Physically manipulating objects is a lot harder underwater, even if you somehow evolve fine motor control despite not having any real use for it. So that severely limits what an intelligent aquatic species could actually do with that intelligence. Aside from fire you're missing the wheel, a writing system and many other things.
card_zero•39m ago
Being immersed in solvent can't help with things like graphic arts and pottery.
nobodyandproud•38m ago
Humans are one of a handful species equipped to change their immediate environment to suit their needs, across virtually every environment, and introduce stability.

Beyond that…

Being able to have down time seems like a prerequisite to creating. civilization.

Also, having both the intelligence and desire to seem and recognize ways to improve—even if not strictly necessary—via tools to free up even more time also seems to be a requirement.

And having a system to reliably and in-scale transmit this knowledge is the final ingredient.

So some baseline stability, down-time, intelligence, reliable knowledge transmission, tool-use for the above, and active willingness to improve all of the above all seem like necessary ingredients.

TheBigSalad•35m ago
You're talking about a thing that happened for 1 species for such a small period of Earth's history to be just a blip. There's not enough data to draw a conclusion here.
oneneptune•1h ago
Wow what an awesome art piece by Ada Zejun Shen that they commissioned(?) for this article!
iknowstuff•53m ago
I thought it was ai generated lol
dylan604•44m ago
even when websites provide attribution for images, people don't read them
burkaman•41m ago
Their portfolio is beautiful https://adazshen.com/
opticfluorine•5m ago
Wow, what a portfolio! This one in particular caught my eye: https://adazshen.com/Viral-Placenta

I have little artistic ability myself, but I am continuously in awe of what artists create. It makes me hope for the optimistic outlook of AI where UBI frees people to pursue creative and intellectual pursuits, rather than constantly trying to push a stock price uphill.

martzy13•6m ago
So the theory explained here is that Hydrogen mixed with the Oxygen in the melted rock (magma) of earth, under extremely high pressure to create our earth specific flavor of H2O (appropriate amount of trace minerals and deuterium).

Am I reading that correctly?

Link to the paper mentioned in the article: https://www.nature.com/articles/s41586-025-09630-7

ck2•5m ago
Maybe some of Earth's oceans came from its rings collapsing (not kidding)

https://www.youtube.com/watch?v=hPhwhq-f1Uo

CRISPR tech selectively shreds cancer cells, including "undruggable" cancers

https://innovativegenomics.org/news/crispr-technique-selectively-shreds-cancer-cells/
210•gmays•2h ago•58 comments

Keygen.music

https://keygen.music
72•soupspaces•2h ago•32 comments

A dumpster arrived behind my university's library

https://yalereview.org/article/sheila-liming-the-end-of-books
84•mooreds•3h ago•59 comments

A PDF that changes based on who is reading

https://sgaud.com/texts/pdf
24•SarthakGaud•1h ago•11 comments

Slightly reducing the sloppiness of AI generated front end

https://envs.net/~volpe/blog/posts/reduce-slop.html
84•FergusArgyll•2h ago•55 comments

Where Did Earth Get Its Oceans? Maybe It Made Them Itself

https://www.quantamagazine.org/where-did-earth-get-its-oceans-maybe-it-made-them-itself-20260612/
43•ibobev•2h ago•27 comments

Launch HN: BitBoard (YC P25) – Analytics Workspace for Agents

https://bitboard.work/
8•arcb•49m ago•2 comments

Gauntlet AI will fly you to Austin, train you in AI, give $200k+ job

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1•austenallred•47m ago

Looking Forward to Postgres 19: It's About Time

https://www.pgedge.com/blog/looking-forward-to-postgres-19-its-about-time
18•xngbuilds•1h ago•1 comments

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63•marc__1•21h ago•46 comments

Ask HN: Why is there some sort of a scam website being advertised on HN?

87•pqtyw•25m ago•33 comments

Maxproof

https://arxiv.org/abs/2606.13473
101•ilreb•5h ago•8 comments

Introduction to UEFI HTTP(s) Boot with QEMU/OVMF

https://blog.yadutaf.fr/2026/06/12/introduction-to-uefi-https-boot-qemu-ovmf/
26•jtlebigot•2h ago•1 comments

A Call to Action: Stop the FCC's KYC Regime

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238•FergusArgyll•3h ago•154 comments

AI agent bankrupted their operator while trying to scan DN42

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WhatsApp Business API pricing 2026: what's free and where markup hides

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25•Puvvl•3h ago•10 comments

WASI 0.3

https://bytecodealliance.org/articles/WASI-0.3
179•mavdol04•3h ago•69 comments

AUR packages compromised with Infostealer and Rootkit

https://discourse.ifin.network/t/400-aur-packages-compromised-with-infostealer-and-rootkit/577
220•keyle•11h ago•145 comments

Show HN: Script to bulk delete Claude chats from the web UI

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32•ML0037•2h ago•10 comments

If you are asking for human attention, demonstrate human effort

https://tombedor.dev/human-attention-and-human-effort/
1330•jjfoooo4•18h ago•429 comments

There Is Life Before Main in Rust

https://grack.com/blog/2026/06/11/life-before-main/
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15•datafreak_•2h ago•3 comments

New privacy frontier: Europe eyes crackdown on smart glasses

https://www.politico.com/www.politico.eu/article/new-privacy-frontier-europe-eyes-crackdown-smart...
23•1vuio0pswjnm7•1h ago•4 comments

How we made hit video game Prince of Persia

https://www.theguardian.com/culture/2026/jan/05/raiders-of-the-lost-ark-hit-video-game-prince-of-...
234•msephton•2d ago•90 comments

Encrypted Spaces An architecture for collaborative applications

https://encryptedspaces.org/
32•_____k•5h ago•4 comments

Kimi K2.7-Code: open-source coding model with better token efficiency

https://huggingface.co/moonshotai/Kimi-K2.7-Code
309•nekofneko•7h ago•164 comments

Euro-Office, open standards, and native ODF

https://blog.documentfoundation.org/blog/2026/06/11/euro-office-open-standards-and-native-odf/
39•ChrisArchitect•1h ago•4 comments

A jacket that harvests drinking water from the air

https://news.utexas.edu/2026/06/11/this-jacket-pulls-drinking-water-from-thin-air/
133•ilreb•18h ago•88 comments

Nobody ever gets credit for fixing problems that never happened (2001) [pdf]

https://web.mit.edu/nelsonr/www/Repenning=Sterman_CMR_su01_.pdf
680•sam_bristow•17h ago•224 comments

Vinyl succumbs to Loudness War: more than just collateral damage (2025)

https://magicvinyldigital.net/2025/04/27/vinyl-succumbs-to-loudness-war-more-than-just-collateral...
132•sneela•5d ago•203 comments