this post was submitted on 22 Aug 2023
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Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The most popular seem to be lighthearted, clever little truths, hidden in daily life.

Here are some examples to inspire your own showerthoughts: 1

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AFAIK it all boils down to the fact that during embryonal development our cells, which at that point were just a blob of undifferentiated autonomous chemical machines, somehow managed to unanimously agree upon the cardinal directions (up-down, left-right, front-back) for future development - and thanks to this, we don't have toes growing out of our ears.

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[–] [email protected] 22 points 1 year ago (4 children)

I mean, that's what dna is for. These machines aren't operating blindly (or even "cooperating" or agreeing on anything, really). They're following the code that makes up who we are.

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

Those who don't usually don't make it far.

[–] Agent641 1 points 1 year ago* (last edited 1 year ago) (1 children)
[–] [email protected] 1 points 1 year ago

That's not it.

[–] pixeltree 6 points 1 year ago (1 children)

Yeah but it's crazy how any given cell knows where in the body it is, somehow.

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

They don't so much know where they are as much as they're just interacting with what's there in the way they were made to, which was all put there due to the DNA to function as a whole.

And to be clear, it's all still amazing, just in a different way. Here's Kurzgesagt video that helps explain how these cells "communicate" to do things like put a body together in the right order.

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

Here is an alternative Piped link(s): https://piped.video/watch?v=TYPFenJQciw

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

Someone was probably born with toes on their head in the past and life didn't go so well that they could have children that also survived. This is why our DNA doesn't have instructions for growing toes on our head.

[–] zovits 0 points 1 year ago (1 children)

Sure, but every cell has the same DNA. Yet some "decide" to "agree" on making toenails, while others differentiate into eyes.

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

If an embryo decides to split in two, and then sends out the marker that "this is the right side" and it's too close to the other embro, there will be a set of identical twins, but one will have the heart on the right side, appendix on the opposite side etc. This needs to be known if the "mirrored" person has a colonoscopy, since the colon is folded the opposite direction.