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And here are the answers to Friday’s crossword:

This is actually not an exhaustive list of scientifically valid (ie animal-free) methodologies, it’s just that if I’d included anymore it would have made the puzzle really small. I mean, the puzzle would have been bigger in that there would have been more questions and answers, but it would have been on a page the same size so the writing would have been too small. For me anyway π
But if you want to find out more about this stuff, click on the teddy bear. That highly-rated book, by the way, is already in our local library. Maybe it’s in yours too π
Download the answers if you want to:
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I’m afraid that some of these methods aren’t as animal free as you’d expect. Most if not all in vitro research, including stem cells, human tissue, and organoids, depend on the use of materials directly derived from animals.
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Thanks so much for raising this point Joel, it’s so important that I thought it best to invite Kathy Archibald, the founder of the Safer Medicines Trust, to answer it. She says:
“The comment is not quite correct – a lot of in vitro methods do USE animal-derived materials – but they do not DEPEND on them and in fact,
non-animal materials would almost always be superior.
Brilliant testing company XCellR8 is 100% animal free and explains the issue here:
https://x-cellr8.com/2020/04/29/putting-the-scale-of-animal-free-into-practice/ “
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