this post was submitted on 07 Sep 2024
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Science Memes

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[–] [email protected] 86 points 1 month ago (7 children)

Do plants die of old age though? Now that question has been put in my head, I need to know.

Be back in a bit, going down a rabbit hole.

[–] [email protected] 71 points 1 month ago (1 children)

Given the right conditions, some plants can live indefinitely. Others die shortly after seeding.

[–] [email protected] 23 points 1 month ago

There's a bristlecone pine tree in the White Mountains of California that is nearly 5000 years old.

[–] [email protected] 35 points 1 month ago* (last edited 1 month ago) (1 children)

Depends how you look at it. If you keep raising off-shoots from cuttings, you are essentially producing extensions of the very same plant and you can do that indefinitely. Think about it like cloning: an individual plant will eventually die, but it's clone will survive and can still propagate.

Plants are not biologically immortal like some lobsters for example.

[–] [email protected] 21 points 1 month ago (1 children)

Tell me more about these lobsters

[–] [email protected] 38 points 1 month ago* (last edited 1 month ago) (1 children)

Chromosomes are essentially packages of DNA and each end of a chromosome is extended by a protein called telomere, essentially sequences of "junk data" that protect the actual data (the DNA) from degradation or randomly fusing with other chromosomes. When cells split to renew, these telomeres are not fully copied to the new cell and thus shorten with each split. When they get too short, cells cannot split anymore, so there is a natural end to the renewal process (the so-called Hayflick limit).

Lobsters possess an enzyme called telomerase which can repair telomeres and thus their cells can, in theory, divide indefinitely. They will still die naturally tho due to diseases or growing too large to sustain their body size and die of malnutrition, but they don't age the way we do.

[–] [email protected] 11 points 1 month ago

That was super interesting, thanks for the response

[–] [email protected] 18 points 1 month ago

Vine plants are especially weird.

[–] [email protected] 17 points 1 month ago (1 children)
[–] [email protected] 19 points 1 month ago (1 children)

Should we send someone after him?

[–] [email protected] 13 points 1 month ago

Dammit, this is why you always secure your lifeline before entering the Rabbit Hole

[–] [email protected] 12 points 1 month ago

You gotta tell us some fun things you learned!

[–] [email protected] 11 points 1 month ago

Subscribe to plant facts

[–] [email protected] 6 points 1 month ago (1 children)

wait until you get to the part about the Ginkgo tree

[–] [email protected] 2 points 1 month ago

It is the horseshoe crab of trees

[–] [email protected] 50 points 1 month ago (3 children)

I love talking with kids in that phase. The raw curiosity and interest in the mundane is so refreshing.

Sometimes I feel like many adults hate to learn new stuff and even get offended by the idea. It's heartbreaking seeing those interact with inquisitive children, when they answer honest curiosity with indifference or worse anger.

[–] [email protected] 22 points 1 month ago (1 children)

Kids can be annoying sometimes, especially if you let them live in your house

[–] [email protected] 3 points 1 month ago

This is why I choose not to have kids. Actually because current state of affairs and their like a boat anchor to freedom.

[–] [email protected] 10 points 1 month ago

I like it when they are circling a question where the answer is "Nobody knows yet.' And when they get there I can hit 'em with the finishing move, "Maybe you'll be the first person to find out!"

Hooks them every time.

[–] [email protected] 8 points 1 month ago

my kid has been teaching me shit constantly. either by having facts about animals i didn't know before (which i have checked and verified) or asking me questions where my answer was "i don't know, let's look it up".

i was always a curious person myself and constantly asked questions as a kid as well, but as you grow up you sometimes take things for granted and forget to ask why something is the way it is or how it came to be so. now my kid looks at the world with fresh eyes and asks questions i haven't asked, so we can both learn. it's awesome.

reminds me of the monologue that woman delivers in Love Death and Robots episode Pop Squad.

[–] [email protected] 38 points 1 month ago (3 children)

There's a science article that investigated why the Brits discuss the weather? I'm now mildly curious to know their methodology and conclusions...

[–] [email protected] 15 points 1 month ago (1 children)

I like that it's a foregone conclusion, not just weather or not they do.

[–] [email protected] 6 points 1 month ago

It is? I hadn't the foggiest!

[–] [email protected] 9 points 1 month ago (2 children)

they still think digital watches are a pretty neat idea

[–] [email protected] 5 points 1 month ago

I still think mechanical watches are a pretty neat idea. I also never forget my towel so there's some hope for me yet.

[–] [email protected] 3 points 1 month ago

I like this reference.

[–] [email protected] 1 points 1 month ago
[–] [email protected] 21 points 1 month ago* (last edited 1 month ago) (2 children)

because you shook your neurons..

there wouldnt be tides

they lose a bit of energy every time they bounce

some do some dont

because their weather is awful go to sleep right now timmy im losing my patience.

[–] [email protected] 4 points 1 month ago

That second one may do a lot more than just no tides. The planet may not be habitable without the moon. I don't remember the specific details right now, but those tides have something to do with levelling out our weather patterns.

[–] [email protected] 4 points 1 month ago (1 children)

Literally all of the questions can be answered by a smart little 12 year old.

[–] [email protected] 1 points 1 month ago

But it's the target audience (people who might subscribe to BBC notifications) as smart as a little 12 year old?

[–] [email protected] 21 points 1 month ago* (last edited 1 month ago)

It's like being subscribed to a toddler in the "why" phase.

[–] [email protected] 18 points 1 month ago

If BBC Science Magazine was texting me at 1.29am to ask "Why do the British talk about the weather so much?", BBC Science Magazine and I would be having words - especially if they texted me six hours later to ask about plants!

[–] [email protected] 7 points 1 month ago (1 children)
[–] [email protected] 5 points 1 month ago (1 children)

No. Not this time. It's fiction. We made it up. This one was invented by a writer. We got you. It never happened.

[–] [email protected] 4 points 1 month ago

You're right. A similar event took place. Yes, it was. You were correct. It's fact. This one took place. Right again. A similar story happened to a young man in the Pacific northwest about twenty years ago. Yes.

[–] [email protected] 6 points 1 month ago (1 children)

Yeah, he thought it was a different kind of BBC notifications. ಠ⁠◡⁠ಠ

[–] [email protected] 7 points 1 month ago* (last edited 1 month ago)

Big black co... corporation?