284
submitted 4 months ago* (last edited 4 months ago) by usernamesAreTricky@lemmy.ml to c/til@lemmy.world
top 43 comments
sorted by: hot top controversial new old
[-] simplejack@lemmy.world 108 points 4 months ago

Ironic that the comedian constantly bitching about sexual and gender identity has the same name.

[-] ebits21@lemmy.ca 30 points 4 months ago

Dave gonna be pissed

[-] CraigeryTheKid@lemm.ee 82 points 4 months ago

Even biological code can compile randomly at times!

[-] mkwt@lemmy.world 62 points 4 months ago* (last edited 4 months ago)

It's all massive spaghetti code too, including spaghetti wiring. Terrible cable management.

[-] noodlejetski@lemm.ee 73 points 4 months ago* (last edited 4 months ago)
[-] givesomefucks@lemmy.world 16 points 4 months ago

A giraffe has a vein or nerve that goes all the way up to its head for zero reason.

It's incredibly inconvenient and difficult, but it wasn't before their necks were absolutely stupid.

[-] emmeram@lemm.ee 27 points 4 months ago

That would be the laryngeal nerve. It’s been with us vertebrates for a long time.

I take your, “for zero reason,” to indicate that it’s silly that it’s so long in a giraffe. And it is, because it connects the larynx and the brain, two bits that aren’t very far apart. You’d never design it that way from scratch.

But the laryngeal nerve’s length has a reason: it loops around the heart and it developed in our fish-like ancestors. At that time, it wasn’t silly for the nerve to wrap around the heart, because fish don’t have necks and thus the nerve was about the same length whether it wrapped around the heart or not. As necks developed, evolution found it easier to lengthen the nerve than to reroute it. So here we and giraffes both exist, having much longer laryngeal nerves than you’d engineer if you were making us from scratch.

[-] givesomefucks@lemmy.world 7 points 4 months ago

Why waste time say lot word when few word do trick?

[-] CileTheSane@lemmy.ca 2 points 4 months ago

Why waste time with words when no words do trick?

[-] givesomefucks@lemmy.world 2 points 4 months ago

On one hand it sucks most people didn't get the reference.

But I like to think it was just because my impression of Kevin was so good.

[-] Grandwolf319@sh.itjust.works 2 points 4 months ago

Yep, evolution doesn’t get do overs.

[-] nickwitha_k@lemmy.sdf.org 2 points 4 months ago

In a way it does. Just ask crabs.

[-] RizzRustbolt@lemmy.world 2 points 4 months ago

Fookin' casuals...

[-] Plopp@lemmy.world 1 points 4 months ago

So here we and giraffes both exist

Source?

[-] naught101@lemmy.world 5 points 4 months ago

That's an amazing sentence

[-] Silentiea 3 points 4 months ago

The issue is that it traverses the neck twice, going all the way down from the brain and all the way back up to its endpoint.

[-] naught101@lemmy.world 1 points 4 months ago

Yeah, I got it. Was just commenting on the poetry of the sentence.

[-] delirious_owl@discuss.online 9 points 4 months ago

Your "good cable management" would be terrible for cooling. These cables are multipurpose, and their spaghetti flow is a feature.

[-] Wogi@lemmy.world 5 points 4 months ago

"you're telling me ALL of the wiring for the most important fingers goes through one tiny, fragile hole?"

[-] RedAggroBest@lemmy.world 3 points 4 months ago

Not really that fragile, you (generalizing for most of Lemmy) just put excessive strain on it by sitting at a desk and using a computer.

The other big one is brachial impingement because you all slouch and your shoulders get so fucked up they pinch the nerve for 90% of your fuckin arm.

[-] RizzRustbolt@lemmy.world 4 points 4 months ago

Can't pull them out.

They're ziptied.

[-] designatedhacker@lemm.ee 22 points 4 months ago

You saying they might have an unexpected dangling pointer?

[-] zeroday 1 points 4 months ago

Yeah, as I commented elsewhere, I'm damn impressed my code managed to compile and run. I guess life has a pretty fault-tolerant compiler at times, or maybe I was just super lucky to not have the errors be in spots that'd completely screw me over.

[-] squirrel 59 points 4 months ago

Also interesting in that regard Androgen insensitivity syndrome: Despite different root causes, it is something of the opposite of Chapelle syndrome. People who possess XY chromosomes, but possess female genitalia.

[-] CreateProblems@corndog.social 7 points 4 months ago

I remember this one from that one episode of House.

[-] zeroday 5 points 4 months ago

I really feel for the inevitable handful of trans men with Androgen Insensitivity syndrome. Imagine how bad it'd be if you were born with the wrong body, and couldn't change it through hormones - it'd be an actual nightmare.

[-] zeroday 58 points 4 months ago

Oh look, it's me! I found out a few years ago that I have De La Chapelle syndrome. I'm actually a trans woman though and not a guy, so I consider it a bonus rather than a downside since it made me have very little testosterone growing up.

[-] NOT_RICK@lemmy.world 50 points 4 months ago

I’m sure it’s fun when some chud says “bIoLogY iS BioLOgY” and you get to say “I actually have two X chromosomes”.

[-] zeroday 43 points 4 months ago

OMG yes it is - it's especially fun to tell it to TERFs who are all "but muh chromosomes"

[-] Grandwolf319@sh.itjust.works 6 points 4 months ago* (last edited 4 months ago)

Yeah but having two X chromosomes makes you infertile (I actually didn’t know that, just looked it up).

So imo that’s not a strong argument since you could say well two X male is not a “healthy male”.

[-] match@pawb.social 20 points 4 months ago

we don't usually evaluate someone's fertility as part of their gender

[-] Snowclone@lemmy.world 6 points 4 months ago

Gender being a social construct makes defining it very wonky. This question the right is always asking to ''define what a woman is'' is really easy to fuck up. Is it chromozones? There is FAR more than two chromosomal makeups, in advanced lab classes that learn to test for chromosomal makeup, students are forbidden to test themselves, any classmate, and any family, because it's almost certain that one of those people will not be XX or XY, it's not that uncommon. So chromosomal sexing necessitates more than one gender, or rather fluid gender identity. It's it the sex organs? Oh no, you won't like this one, is it functioning sex organs or just any? What do we do with intersex people? They can't fit into one category by definition, then there's men who have kids, who think of themselves as men, who find out they have a uterus! And its mentrating! What to do what to do. There's a lot of men with half testicle half ovary sex organs, are they men? Well not if we go by sex organs now you need a bigger section of category because sex organs don't fit into two columns, it's far more complicated. So what do we do! general anatomy? Modern human biologists have a lot of data saying there's such a thing as a male typical brain, and a female typical brain, how fun! Maybe that will work, sure, but now you have to accept there literally are women trapped in male bodies and vis versa. So again, you need to be fluid with your gender definitions.

Every single metric biological data can provide all point to the same truth, there are not two simple columns where humans can be neatly placed that won't cause a lot of people to be miserable, misunderstood, or maligned for not fitting either concept.

Basic biology is clear. We are a VERY complicated species.

So let's just look at anthropology. Did any human civilizations NOT have two genders? Yeah A LOT of them. And even today we have examples. Anciently, Hebrews had 9 genders I think? Jesus mentions 5 genders. He dosen't seem to have any problem with them existing either. Well.. it looks like we're not the first people to find out that binary gender isn't the only option.

[-] NOT_RICK@lemmy.world 18 points 4 months ago

There are plenty of infertile XY males that nobody bothers to call fake men, I don’t see how that argument holds any water.

[-] zeroday 11 points 4 months ago

IMO being infertile is a plus - can't accidentally have any kids, and can't be coerced into doing so.

[-] Fedizen@lemmy.world 4 points 4 months ago

well given the amount of microplastics in balls and forever chemicals in blood, I'm not sure most people can call themselves truly "healthy"

[-] nickwitha_k@lemmy.sdf.org 4 points 4 months ago

That's a Mr/Mrs Garrison from South Park take right there.

[-] Omniraptor@lemm.ee 2 points 4 months ago* (last edited 4 months ago)

Have you looked into whether people with the condition are more likely to be LGBT? I get the feeling like it could be linked

[-] zeroday 6 points 4 months ago

Last time I looked there wasn't anything particularly associated with being queer, but the sample set of people who both have this and know that they do is pretty small so who knows! Could be, and we could just be missing the data. Or they could both be correlated with some other factor

[-] Th4tGuyII@fedia.io 47 points 4 months ago

As interesting as La Chapelle syndrome is, it kind of sucks that most people find out they have this syndrome due to the fact it causes infertility.

[-] zeroday 5 points 4 months ago

I found out because I was doing genetic work to test for Ehlers Danlos and I'd gotten my entire genome sequenced, so I figured I'd look for other stuff as well. I've suspected for a few years now that I've got some sort of intersex condition for a while because of very low testosterone and a weirdly fast transition, but finally got the confirmation earlier this week and wow my genetics are kinda a mess. Tbh I'm amazed that my code actually compiled XD

[-] FlyingSquid@lemmy.world 4 points 4 months ago
this post was submitted on 05 Jul 2024
284 points (100.0% liked)

Today I Learned

17848 readers
75 users here now

What did you learn today? Share it with us!

We learn something new every day. This is a community dedicated to informing each other and helping to spread knowledge.

The rules for posting and commenting, besides the rules defined here for lemmy.world, are as follows:

Rules (interactive)


Rule 1- All posts must begin with TIL. Linking to a source of info is optional, but highly recommended as it helps to spark discussion.

** Posts must be about an actual fact that you have learned, but it doesn't matter if you learned it today. See Rule 6 for all exceptions.**



Rule 2- Your post subject cannot be illegal or NSFW material.

Your post subject cannot be illegal or NSFW material. You will be warned first, banned second.



Rule 3- Do not seek mental, medical and professional help here.

Do not seek mental, medical and professional help here. Breaking this rule will not get you or your post removed, but it will put you at risk, and possibly in danger.



Rule 4- No self promotion or upvote-farming of any kind.

That's it.



Rule 5- No baiting or sealioning or promoting an agenda.

Posts and comments which, instead of being of an innocuous nature, are specifically intended (based on reports and in the opinion of our crack moderation team) to bait users into ideological wars on charged political topics will be removed and the authors warned - or banned - depending on severity.



Rule 6- Regarding non-TIL posts.

Provided it is about the community itself, you may post non-TIL posts using the [META] tag on your post title.



Rule 7- You can't harass or disturb other members.

If you vocally harass or discriminate against any individual member, you will be removed.

Likewise, if you are a member, sympathiser or a resemblant of a movement that is known to largely hate, mock, discriminate against, and/or want to take lives of a group of people, and you were provably vocal about your hate, then you will be banned on sight.

For further explanation, clarification and feedback about this rule, you may follow this link.



Rule 8- All comments should try to stay relevant to their parent content.



Rule 9- Reposts from other platforms are not allowed.

Let everyone have their own content.



Rule 10- Majority of bots aren't allowed to participate here.

Unless included in our Whitelist for Bots, your bot will not be allowed to participate in this community. To have your bot whitelisted, please contact the moderators for a short review.



Partnered Communities

You can view our partnered communities list by following this link. To partner with our community and be included, you are free to message the moderators or comment on a pinned post.

Community Moderation

For inquiry on becoming a moderator of this community, you may comment on the pinned post of the time, or simply shoot a message to the current moderators.

founded 1 year ago
MODERATORS