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Cake day: August 5th, 2024

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  • Wrufieotnak@feddit.orgtoScience Memes@mander.xyzRespect
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    5 days ago

    It’s not so much nature lovers but social media “content creators” who are criticized here.

    There was a case I read of a man caring for a beautiful patch of flowers, but then it got famous on social media and those assholes went there in buses, took pictures lying in there and destroyed it. Heartbreaking to read about that one. Sadly I can’t find that specific case anymore, but there are enough articles about the problem, like this one.



  • Wrufieotnak@feddit.orgtoScience Memes@mander.xyzOH SHI-
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    17 days ago

    Here is my try at explaining it in layman terms, but I’m not 100% sure I got the meme completely right. I didn’t do protein crystallography, only organometallics.

    Crystallography is the dark magic art of turning nice really small crystals into pictures of molecules (or more precisely: 3D maps of electron density) The scientist in the meme wanted to measure the same protein, but under different pH conditions, so either adding some acid or some base while the crystals form. Then they hopefully get different structures at different pH values and can make a nice video animation like a flipbook to show the change in structure.

    And I think the meme makes fun of the fact that the scientist did this experiment with a certain expectation and then that expectation happens but the scientist is surprised by it happening.

    They chose a protein which is a reductase, meaning it can reduce the oxidation state of certain molecules. Such a reduction reaction is often dependant on pH value in organism (I think), therefore changing the pH value changes what the protein will do in the crystallization solution.




  • Both from Germany:

    I remember that in my high school time many in my year went to plasma donation as often as it was allowed to collect the compensation. So while you are right that is legally never called payment, people with a need for cash for sure sell their plasma for money.

    Oh and in the public sector there is or at least was in the past also the possibility for donating blood and you get the 2 hours or so for that paid as normal. So the government donated the money for a good course.


  • They didn’t say that, but the other commenter still speaks about a point that also caught my eye:

    It doesn’t matter if donating blood or plasma is able to be longer stored. When you need one of them, you can’t substitute with the other. So the medical area still needs both. So you still need people donating both. If a medical institution is telling me they only collect plasma, I would question their motives, because both are needed for helping people.

    Maybe the donating place just gave the short explanation and they meant, that for blood donations there are other better places, but it could also mean, they don’t earn enough money with that. And THAT is I think what the other commenter meant with their admittedly short comment.


  • Wrufieotnak@feddit.orgtoScience Memes@mander.xyzBurning Up
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    2 months ago

    But that is what we others are saying: there is no “more intuitive” system, just one you know better and can quicker evaluate how it would feel! So you agree with us.

    Everything you said can be said about Celsius scale as well.

    There is also a precedence for Celsius more than just an arbitrary number between 0 & 100.

    A scale for liquid water, you know, the stuff that is the reason why we call our little spaceship "the blue marble"and why we even have this discussion, because it is the basis of all life on earth, is also not a bad choice for a number between 0-100.

    And you made me curious: in what context did you have to calculate percentages of temperature that were not in Kelvin? Because as soon as percentages and temperatures are close to each other in one sentence the only example I can think of are things like reaction kinetic calculations and those are neither in Celsius nor in Fahrenheit.


  • Wrufieotnak@feddit.orgtoScience Memes@mander.xyzBurning Up
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    2 months ago

    If we want to go that road, intuition is according to Wikipedia:

    Intuition is the ability to acquire knowledge, without recourse to conscious reasoning or needing an explanation.[2][3] Different fields use the word “intuition” in very different ways, including but not limited to: direct access to unconscious knowledge; unconscious cognition; gut feelings; inner sensing; inner insight to unconscious pattern-recognition; and the ability to understand something instinctively, without any need for conscious reasoning.[4][5] Intuitive knowledge tends to be approximate.[6]

    Since every temperature system needs an explanation, namely the reference points, no system is or even can be intuitive per this definition.



  • Wrufieotnak@feddit.orgtoScience Memes@mander.xyzBurning Up
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    2 months ago

    Which system did you grow up with? Because I grew up from the start with Celsius und it is 100% intuitive to me. Everytime you americans use your funny temperature numbers I have to stop and use a tool for transforming it or I simply ignore it and go “low means cold and high means hot, how high? Ain’t nobody got time for dat!”

    So I disagree with your notion that Fahrenheit is intuitive. The system you grew up with and have multiple experiences as reference points for, is the system you feel is intuitive is also my opinion.