this post was submitted on 27 Mar 2026
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Since the atoms that make up me are billions of years old, and given the wild cycle of matter in nature, what is the probability that, for example, I contain at least a small percentage of atoms that were once in someone's penis? And if that's the case, is it possible that at some point all people and all matter on Earth will be 100% made up of atoms that have been penises at least once?

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[–] Bishma@discuss.tchncs.de 47 points 1 day ago (1 children)

The water in whatever you're drinking today was once dinosaur urine. You gotta make peace with that sooner or later.

[–] timroerstroem@feddit.dk 18 points 1 day ago

You gotta make ~~peace~~pees with that sooner or later.

FTFY.

[–] Sanctus@anarchist.nexus 33 points 1 day ago (2 children)

Its 100%. Every person to ever existed has been made with atoms that once made up a dick, datebayo

[–] Jimmycrackcrack@lemmy.ml 2 points 7 hours ago

Had to have been at least one generation that at least had never once been part of any human dicks depending on at what point you drew a line and decided people were officially homo sapiens

[–] T00l_shed@lemmy.world 25 points 1 day ago (1 children)

More importantly, our dicks are made of exploding stars

[–] Sanctus@anarchist.nexus 25 points 1 day ago (1 children)

Our dicks, our vaginas, our boobs, your beautiful eyes, everything is star stuff.

[–] T00l_shed@lemmy.world 13 points 1 day ago

Aww you think my eyes are beautiful? Not as beautiful as yours!

[–] riskable@programming.dev 4 points 20 hours ago

Well, if you were a pussy you wouldn't have asked this question 👍

[–] DeathByBigSad@sh.itjust.works 14 points 1 day ago

OP is horny lol

Posted a bunch of "hot men from other countries" comments and then this... 🤣

[–] resipsaloquitur@lemmy.world 5 points 23 hours ago
[–] solrize@lemmy.ml 3 points 21 hours ago (1 children)

It's close to certain. We actually did a calculation in HS physics class, "how many atoms of Cleopatra are in each of us?". This is similar but multiply by many thousands.

[–] CultLeader4Hire@lemmy.world 1 points 2 hours ago

But at this point you’re basically dealing with homeopathy, at one time I feel like this or the dick atoms was a lot more likely but 60%+ of humans who have ever existed exist right now. So the amount of dick atoms ever in relation to atoms in humans total is actually very skewed away from having dick atoms.

[–] JohnnyEnzyme@piefed.social 10 points 1 day ago (1 children)

We're all just borrowing recycled particles for a little while, before making them available for others, in future. Just that man started messing with that traditional equation when he came up with burials, and later coffins.

Not just that, but our living bodies are composed of something like ~50% bacteria and other organisms, and with mites living in our pores, eyelashes, etc. Fun stuff to think about, eh? :D

[–] KoboldCoterie@pawb.social 8 points 1 day ago (1 children)

Not just that, but our living bodies are composed of something like ~50% bacteria and other organisms, and with mites living in our pores, eyelashes, etc.

Wish I could just tap out and pass control over to them for a while, sometimes. "Here, you guys have fun, I'll see you in 8 hours."

[–] JohnnyEnzyme@piefed.social 8 points 1 day ago (1 children)

Fun concept. Related to that, I understand that our gut bacteria have some actual influence on how our brains operate.

[–] backalleycoyote@lemmy.today 1 points 4 hours ago (1 children)
[–] JohnnyEnzyme@piefed.social 1 points 4 hours ago* (last edited 4 hours ago)

Well it's all 'shit' from the moment we start eating, if that's your metric.

[–] MantisToboggon@lemmy.world 6 points 1 day ago

Probably pretty high,you are a dick!

[–] Bazell@lemmy.zip 7 points 1 day ago* (last edited 1 day ago)

People that can actually approximately calculate it probably won't do it. But, as far as I know, then the smaller amount of atoms we take in a sample group of your body, the higher possibility that they were a part of someone's else body. Thus saying, 1 or 2 random atoms of your body certainly were someone's organ before. And if we will consider absolutely any creature that could have had a specified organ, then the probability rises even more.

[–] joel_feila@lemmy.world 2 points 22 hours ago

Depends, a human penis or any penis.

[–] CarbonIceDragon@pawb.social 2 points 1 day ago

In regards to the second part, I'd point out that earth isnt a closed system, and small amounts of new matter are constantly ending up on earth. Think things like meteors (if i remember correctly, a few dozen tons of them fall on earth daily) the very thin traces of gas in space (it's not a actually a perfect vacuum) and certain types of cosmic radiation that happen to consist of atoms. As such, I'd imagine it's unlikely we'd ever get every atom on earth having once been part of one.