this post was submitted on 20 Jan 2025
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[–] bamboo@lemmy.blahaj.zone 46 points 1 day ago (1 children)

The average person does not have 10 fingers. Maybe the median person, but not the average.

[–] lemmie689@lemmy.sdf.org 15 points 1 day ago* (last edited 1 day ago) (3 children)

Most frequent occurence is the mode. Most ppl have 10. The median would be less than ten, while the mean average is skewed down, I would think, by some people losing fingers as the grow. Having extra fingers is pretty rare. So the mean might be 9.95 fingers, just to toss a number out.

[–] davidgro@lemmy.world 10 points 21 hours ago (2 children)

For 10 to not be the median it would also have to not be the case for the majority of people (just the plurality at best), and while I don't have proof handy I'm pretty sure a vast majority have exactly 10, making that the precise median and the mode. Only the mean would be a different number of digits. (Both definitions)

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[–] bamboo@lemmy.blahaj.zone 13 points 23 hours ago (2 children)

I assume the median and mode are the same value, 10 fingers, but have no data to back that up. I guess saying mode would have been a safer statement to make, but think that even if 49% of people have 0-9 fingers, the median number of fingers would still be 10.

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[–] tetris11@lemmy.ml 2 points 16 hours ago* (last edited 16 hours ago) (1 children)

Mode assumes categorical data and is unbounded by range, whereas median makes the most sense for decimal numbers, albeit with rounding in this case

"People have round(median(data)) fingers"

edit: though, if we're counting just fingers and not counting half-fingers, then maybe this really is categorical data (Β―\(ツ)/Β―?)

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[–] xilliah@beehaw.org 13 points 20 hours ago (1 children)

Bees kill invaders in their nest by climbing all over them and shaking their bodies.

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[–] ashenone@lemmy.ml 33 points 1 day ago (3 children)

A few of my favorite fun facts are geography related.

The pacific side of the Panama canal is further east than the Atlantic side.

If you head south from Detroit the first foreign country you'll hit is Canada.

Lake Tahoe is further west than Los Angeles

[–] bamboo@lemmy.blahaj.zone 19 points 23 hours ago (2 children)

If you head south from Detroit the first foreign country you’ll hit is Canada.

There's also Angle Inlet, Minnesota which is the only place in the contiguous United States north of the 49th parallel. To travel to Angle Inlet by road from other parts of Minnesota, or from anywhere in the United States, requires driving through Manitoba, Canada. It's a really weird border.

[–] davel@lemmy.ml 9 points 22 hours ago (1 children)

Due to its high latitude and being in the middle of a continent, it is a contender for the most extreme winters in the contiguous United States.

Two square miles & 54 residents in North Bumblefuck, separated from the rest of the US by 60 miles. It’s an affront to reason.

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[–] originalucifer@moist.catsweat.com 43 points 1 day ago (2 children)

by weight, theres more non-human DNA in you than human.

[–] JadenSmith@sh.itjust.works 2 points 14 hours ago

I have heard that this is more true for some people in Tijuana.

[–] Suck_on_my_Presence@lemmy.world 15 points 1 day ago (6 children)

Wait. Please explain. How is DNA inside me, a verifiable human, not human?

[–] tetris11@lemmy.ml 4 points 16 hours ago* (last edited 16 hours ago)

we all know what you do when you visit the zoo.
were those giraffes looking thirsty, hmmm?

[–] superkret@feddit.org 28 points 1 day ago (1 children)

It's DNA from bacteria that live inside you.

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youre mostly bacterial dna

[–] ch00f@lemmy.world 18 points 1 day ago

U got bugs in ur poop.

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[–] Collatz_problem@hexbear.net 8 points 18 hours ago (1 children)

Consistency of an axiomatic system that contains arithmetic can be proven in this system if and only if it is inconsistent.

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[–] MrTrono@lemmy.world 30 points 1 day ago (1 children)

Sharks are older than both trees and the north star

[–] DemBoSain@midwest.social 29 points 1 day ago (4 children)
[–] DannyBoy@sh.itjust.works 2 points 14 hours ago

Piney and Sticks

Yeah Twin Pines Ma--- I mean Lone Pine Mall.

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[–] Suck_on_my_Presence@lemmy.world 30 points 1 day ago (5 children)

Humans have stripes that are invisible to us. However, cats can see our stripes.

[–] bamboo@lemmy.blahaj.zone 10 points 23 hours ago

Is it all humans or just those humans with two X chromosomes? Relevant video on the subject: https://www.youtube.com/watch?v=BD6h-wDj7bw

Also in this video, we can see female cat's stripes in their fur color.

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[–] WoodScientist@sh.itjust.works 29 points 1 day ago (4 children)

Your conscious mind does not experience reality directly.

Your conscious mind does not experience reality directly. There is no path going directly from your eyes to your conscious awareness. Rather, the subconscious collects sensory input. It uses that input to create a virtual simulacrum of the world, a big internal 3D model. That internal 3D representation is what you, the conscious part of your mind, actually interacts with and experiences.

You ever wonder how weird it is that people can have intense, debilitating hallucinations? Like schizophrenics seeing and hearing entirely fictional things. Have you ever seen a camera produce anything like that? A flash of light, a distorted image, dead pixels, etc? Sure, those kinds of errors cameras can produce. But a camera will never display a vivid realistic image of a person that wasn't ever actually in their field of view.

Yet the human mind is capable of this. In the right circumstances, the human brain is capable of spawning entire fictional people into your conscious awareness. This shows that there is an elaborate subconscious processing layer between what our conscious mind observes and direct sensory input. Your conscious mind is basically experiencing a tiny little internal version of The Matrix, entirely generated on its own wetware. And this subconscious processing layer is what makes hallucinations possible. The processes that produce this internal simulation can become corrupted, and thus allows hallucinations.

This architecture is also what makes dreaming possible. If your conscious mind only perceived things upon direct sensory feedback from the eyes, ears, etc., how would dreaming be possible?

You are essentially experiencing reality through an elaborate 3d modeling version of an AI video generator.

[–] SwingingTheLamp@midwest.social 11 points 21 hours ago (1 children)

Along those same lines, we're all blind literally around half the time we're awake. Our optic processing system can't keep up with the input as our eyes flit from thing to thing, so we don't see anything while they move. And they're moving constantly, even if we're not aware of it, because only the fovea in the center of the retina has a high enough density of receptors to see details, and also because of sensory fatigue from prolonged static stimulus. In short, we have a tiny field of detailed vision that's not even working much of the time. That field of vision that feels like a 4K video feed into the mind is a complete lie.

Like the way our subjective experience feels like a continuous, integrated mind fully in control of itself, but in reality, consciousness dips out a couple of times every minute while the brain attends to sensory input.

Even weirder, the conscious mind might not even exist, except as an illusory, emergent phenomenon of sensory experience and memory. There isn't a place in the brain where it 'lives', no part that's only ever active when we're conscious.

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[–] tetris11@lemmy.ml 3 points 16 hours ago
[–] SnotFlickerman@lemmy.blahaj.zone 9 points 22 hours ago* (last edited 22 hours ago) (1 children)

The first time I took mushrooms it had been after reading about this kind of thing for about a week.

I recall reading about a man who was effectively blind but his eyes worked fine. What didn't work fine was the part of his brain that interpreted what his eyes saw. So he just saw smeary streaks of light.

It's kind of like Linux without its V4L2 system for interpreting video capture devices. It can't actually see video without it.

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Me and my alters in my system completely agree. They can and have experience reality differently.

[–] ___@lemm.ee 15 points 23 hours ago* (last edited 23 hours ago) (3 children)

If two moving balls hit each other and bounce apart, it’s the exact same thing as if you held the frame steady on one ball and viewed the other ball as moving faster. Just seems like the stationary ball gets heavier…

Perspective is everything.

[–] Iunnrais@lemm.ee 9 points 21 hours ago (1 children)

Yeah, this one took me a while to wrap my head around and intuitively β€œget it”. I first learned it was true from that mythbusters episode where they correct their past mistakes… and even they had thought that two cars hitting head on would receive the same energy as hitting a stationary wall at the speed of the sum of their speeds. They were corrected in letters written to them, and then they experimentally verified it.

And even seeing the experimental verification, it still took me a while to really get it. The opposite speeds cancel out, making you go from your speed to zero. Same as if you hit a brick wall at that speed.

Let’s say the two cars are going 50 mph (kph, whatever unit you want). 50-50=0. You experience the same as hitting the brick wall. It’s the difference between initial speed and final speed that matters, not the sum of their speeds.

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[–] sgtlion@hexbear.net 5 points 19 hours ago

This phenomenon is known as Galilean invariance (or Galilean relativity). Yep, as well as all the astronomical shit, the same Galileo was also the first to describe this.

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[–] MrsDoyle@sh.itjust.works 19 points 1 day ago (1 children)

Mary Queen of Scots was 6ft tall.

[–] tetris11@lemmy.ml 4 points 16 hours ago* (last edited 16 hours ago) (1 children)

I love your username, btw. No single character on TV has ever given me greater joy from facial expression alone, than her

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[–] Semi_Hemi_Demigod@lemmy.world 14 points 1 day ago (4 children)
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