Any experience with pollutants, outgassing from new furniture or low-pollutant furniture?

Hello Community, Does anyone have experience with the release of harmful substances from new furniture? Formaldehyde in particular, and the associated complaints? Have you replaced the furniture, and if so, with what materials? I'm familiar with the Blue Angel certification, etc. How has the situation improved for you? Ventilation and heating are of course a…

FFP3 for MDF cutting and sanding work?

Hello dear community, I want to build something out of MDF that I'll be sawing and sanding, but not spraying. For that, I need to know what type of mask I can use to protect myself, since MDF contains formaldehyde ( https://en.wikipedia.org/wiki/Medium-density_fibreboard ), which can enter the lungs via particles and (according to https://www.cancer.org.au/cancer-information/causes-and-prevention/workplace-cancer/wood-products) can…

Insert organ, chemicals?

I would like to preserve a kidney from an animal. However, I'm wondering which chemicals/process would be best. I'm currently planning to place the organ in a glass jar containing a mixture of bioethanol and glycerin. However, formaldehyde is also said to be good, so I'm undecided and unsure which chemicals would be best. Does…