• quixotic120@lemmy.world
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    3 months ago

    “massaging tartrazine solution into hairless mouse skin over the course of a few minutes or using microneedling achieves “complete optical transparency in the red region of the visible spectrum”

    I know it didn’t happen this way but I like to believe it was someone having their unwashed dorito fingers after lunch, decided to massage a mouse for several minutes, and figuring this out

    • tacosplease@lemmy.world
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      3 months ago

      Yellow 5 is super common (in the US) for things that go inside our bodies. Doritos, Mt Dew, probably Red Bull. When we were kids there was a rumor that it would shrink your dick haha.

      Read the ingredients on stuff the next few days and take note of how often you see it. It’s probably why they chose it as one of the test substances. It’s relatively safe to eat.

      What is unknown is how dangerous it is to absorb large amounts into someone’s skin.

      It’s like the illegal weed vape pen issue years ago. People would cut the product with vitamin e to thicken it and also make more money. Vitamin E is safe for human consumption. Turns out its vapor is terrible for lungs. It’s quite unsafe for that kind of consumption.

      • Pilterlisky@sh.itjust.works
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        3 months ago

        Highly recommend anyone reading check out an app called Yuka. You scan barcodes and it’ll give you a score of the ingredients and why things are rated the way they are. Not always 100%, but better than trying to just figure out if carboxymethylcellulose is safe, (it is) let alone pronouncable.

  • restingboredface@sh.itjust.works
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    3 months ago

    So, I skimmed the article and may have missed it. Why is this anything more that tinkering with and (maybe torturing) mice? What’s the actual scientific value here? (Assuming invisibility potion wasn’t an actual goal)

    Perhaps medical dyes for imaging?

    • TheLowestStone@lemmy.world
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      3 months ago

      They applied a yellow, food-safe dye to the skin of the mice and found it caused light to refract in such a way that their skin became significantly more transparent. An article I read (I did not read this one) listed some potential uses like making veins visible for blood draws and more precise tattoo removal. The dye washed off afterwards.