• Katana314@lemmy.world
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      5 months ago

      “You want my thesis? I hate college!! My thesis is going to be about taking a SHIT up your ASS!”
      (Four years later)
      “Wow, Mr. Blake! The results of your medical trial were astounding! These are excellent results!”
      “Wait…huh?”

  • AnBee@lemmy.blahaj.zone
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    5 months ago

    If you get methanol poisoning for example from badly made liquor then the remedy for that is to drink ethanol (good liquor).

  • village604@adultswim.fan
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    5 months ago

    Bloodletting is still a legitimate medical treatment, now called therapeutic phlebotomy.

    Some medicines, like testosterone, can increase your hemoglobin or blood count, so donating blood is the fix for it.

    • stringere@sh.itjust.works
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      5 months ago

      Hemochromatosis, too. Body doesn’t eliminate iron so it can build up in organs, notably liver and kidneys.

      The treatment is bloodletting. My wife wanted to get leeches. I settled for just donating 32 times in the first year after finding out. My ferritin count was 9 times the usual max for a man my age. My gallbladder fluid was carrying iron. I was Iron Man.

    • Anivia@feddit.org
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      5 months ago

      Testosterone, even when taken at supraphysiologic dosages, rarely causes erythrocytosis to an extent that therapeutic phlebotomy is necessary.

      Other anabolic steroids, particularly Equipoise (aka Boldenone), increase red blood cell count significantly more than testosterone.

      • dkppunk@piefed.social
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        5 months ago

        I haven’t seen it happen, but I wouldn’t be surprised.

        My girl bun does stick her nose up my boy bun’s butt sometimes. But I think that’s just to nip his thighs and get him to move out of her way lol

        Oh! I forgot, mama rabbits feed their special poops to their babies. So the answer is, yes, they do eat other rabbit’s poops.

      • MatSeFi@lemmy.liebeleu.de
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        5 months ago

        But ambiguity arraises from the lack of a coherent explanation, because there are so many parameters to consider when doing the experiment (especially when doing this with water). Therefore hot liquids can freeze faster than cold ones. Its not a must. That it can happen is proven. A quite entertaining read about the general phenomenon can be found here

        • blady_blah@lemmy.world
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          5 months ago

          No, it doesn’t. The ambiguity rises from the fact that it’s not that repeatable. There are many experiments that don’t find this phenomenon to exist when they test it. Then there’s some that do. That’s the problem.

          My memory is that the majority of them find that it doesn’t exist and that a small minority find that it does.

    • Maeve@kbin.earth
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      5 months ago

      Similarly, hot water for ice cubes, room temperature for thawing. I’ve heard adding white vinegar accelerate thawing but idk?

  • ryathal@sh.itjust.works
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    5 months ago

    Some fun geography one’s.
    Maine is the closest US state to Africa.
    Alaska is the northern most, Western most, and Eastern most state in the US.

    • toddestan@lemmy.world
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      5 months ago

      My favorite geography one: You get on a plane at Tampa Bay, Florida and fly due south. Which South American countries do you fly over?

      Answer is none of them. You miss the entire continent because you are too far west.

    • ilinamorato@lemmy.world
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      5 months ago

      My favorite geography fact is that, if you’re on the northern edge of Brazil, you’re actually closer to Canada than you are to the southern border of Brazil.

      • iamthetot@piefed.ca
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        5 months ago

        For the Alaska one, the Aleutian Islands extend beyond the 180° line of longitude, placing the tip of them within the eastern hemisphere.

    • Nibodhika@lemmy.world
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      5 months ago

      Sharks are so old that I’ve seen other comparisons, had never seen the milky way one before, that’s very interesting, the other ones I knew is that sharks are older than:

      • The rings of Saturn
      • Trees

      So when sharks first evolved Saturn had no rings and trees didn’t exist yet.

      • Deconceptualist@leminal.space
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        5 months ago

        Sharks also predate basically all big recognizable surface geology features on earth. They’re way older than the Grand Canyon or the Himalayas. It kind of makes sense once you realize they date back to the Pangea supercontinent.

        Also, biologically modern humans are much older than Niagara Falls.

    • Tattorack@lemmy.world
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      5 months ago

      CORRECTION!!

      “Shark” is not a species. A whaleshark is a species. A tigershark is a species. “Shark”, representing multiple species of shark, is a division, specifically the Selachii division.

      The Selachii division is 200 million years old. One galactic year for Sol is 225 million years old. This means that sharks, as we know them, have not existed as a division for two galactic years, barely even for one! Horshoe crabs have been around for 250 million years nearly completely unchanged by evolution, so they have been around for one galactic year… But nobody ever seems to talk about them…

      Officially, what came before sharks are classified as a different division with “shark-like morphology”, but they aren’t sharks.

      Sharks have existed for longer than the North Star, though. So there’s that.

      • Eufalconimorph@discuss.tchncs.de
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        5 months ago

        The oldest fossils known are stromatolite fossils from 3.48 billion years ago. There are living stromatolites today. They predate Earth having significant oxygen in its atmosphere, because the cyanobacteria that formed them created the oxygen gas through photosynthesis from carbon dioxide. They’ve orbited the galaxy over fifteen times.

  • Deconceptualist@leminal.space
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    5 months ago

    If you’re not familiar with the flavors of quarks, they probably seem fake.

    • Up
    • Down
    • Top
    • Bottom
    • Charm
    • Strange

    Of course they all have antimatter counterparts. But anti-up is not the same as a down quark, anti-top is not the same as a bottom quark, etc.

    • Barbecue Cowboy@lemmy.dbzer0.com
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      5 months ago

      I do want to hear the story of the physicist when they got to making up the names for charm and just strange. I imagine many sleepless nights.

      • Deconceptualist@leminal.space
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        5 months ago

        The quark flavors were given their names for several reasons. The up and down quarks are named after the up and down components of isospin, which they carry.[60] Strange quarks were given their name because they were discovered to be components of the strange particles discovered in cosmic rays years before the quark model was proposed; these particles were deemed “strange” because they had unusually long lifetimes.[61] Glashow, who co-proposed the charm quark with Bjorken, is quoted as saying, “We called our construct the ‘charmed quark’, for we were fascinated and pleased by the symmetry it brought to the subnuclear world.”[62] The names “top” and “bottom”, coined by Harari, were chosen because they are “logical partners for up and down quarks”.[41][42][61] Alternative names for top and bottom quarks are “truth” and “beauty”,[nb 4] but these names have somewhat fallen out of use.[66] While “truth” never did catch on, accelerator complexes devoted to massive production of bottom quarks are sometimes called “beauty factories”.

        https://en.wikipedia.org/wiki/Quark

  • Snot Flickerman@lemmy.blahaj.zone
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    5 months ago

    Trigger Warning: Existential Crisis

    spoiler

    Everything about us is young in the context of the wider universe. Human society, the human species, the planet earth, our solar system, our sun. We live near the dawn of creation, even though our universe feels unimaginably old compared to our brief lives. As the skies darken and all the stars burn out, that will take course over a time period longer than our individual solar system will last. When the last light goes out, time doesn’t stop, no the universe goes on and there’s an even longer period of endless empty inky blackness, the deep void. In the end, the universe may spend significantly more time as an endless dead void than it ever did as a universe with hope of life and at least one planet with confirmed organic life. There is no escaping it, and there is probably no way for our species to even survive and adapt to that era as it is.

    • Davel23@fedia.io
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      5 months ago

      One of the possible answers to the Fermi Paradox is simply we’re the first.

      • queerlilhayseed@piefed.blahaj.zone
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        5 months ago

        We could be the great scourge of this part of the universe. Expanding recklessly through galaxies in the local group, leaving only the dead husks of stars that have been stripped of all usable energy. The exponential nature of scientific discovery means that not only do we have a head start, our head start compounds as time progresses. We become a horrific but very efficient war machine for the sole purpose of controlling and exploiting all available forms of energy for profit. We seem like we’re on that path.

  • hayk@lemmy.ml
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    5 months ago

    traveling back in time is not mathematically disallowed by the general relativity.

    in fact there is a lot of work done on the topic, and lots of potential scenarios proposed (which usually involve describing the space-time warped into weird 4D shapes). what GR does tell you is what kind of matter/energy would produce such spaces (since in GR these two are intertwined), and that’s kind of where common sense works again: most proposed geometries do require either negative energy densities or mathematical singularities (which to be fair are not impossible, but we kinda never seen that, aside from dark energy).

    on the other hand – faster-than-light travel is also possible – albeit with similar constraints.

    • UnderpantsWeevil@lemmy.world
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      5 months ago

      traveling back in time is not mathematically disallowed by the general relativity.

      Moving mass backwards through time isn’t strictly mathematically disallowed. Idk what it’s going to look like when it arrives, though.

      What does a Tachyon even look like?

      • hayk@lemmy.ml
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        5 months ago

        i didn’t mean purely mathematically. but from the physics standpoint. in other words, if you provide enough dark energy and shape it into a specific configuration, it will generate space-time where time travel is possible in practice.

  • BurnedDonutHole@ani.social
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    5 months ago

    Modern physics is full of assumptions and placeholders for the generally accepted theories to work such the dark matter, dark energy, the inflation field, quantum gravity and gravitons etc… We don’t really know what they are, they are basically mathematical requirements for the currently accepted theories to work.