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The universe is dusty AF, frankly. It's on your body, in every nook in cranny of your house, some planets are just made entirely of dust pretty much, and space is full of it! It's everywhere, so I guess we might as well learn something about it...

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[Trivia Question]

Apollo 11 moon dust sample at auction

https://www.bonhams.com/auction/27937/lot/21/a-unique-opportunity-to-own-a-nasa-verified-piece-of-the-apollo-11-contingency-sample-5-scanning-electron-microscope-sem-aluminum-sample-stubs-each-topped-with-approximately-10-mm-diameter-carbon-tape-containing-apollo-moon-dust/

https://www.atlasobscura.com/articles/apollo-11-lunar-dust-auction

[Fact Off]

Spiderwebs collecting microplastic dust as sensors

https://www.sciencedirect.com/science/article/abs/pii/S0048969722021015

https://www.chemistryworld.com/news/spider-webs-record-severity-of-microplastic-pollution-in-cities/4015800.article

https://phys.org/news/2022-06-microplastics-spider-webs.html

https://edu.rsc.org/science-research/spiderwebs-used-as-microplastic-pollution-screens/4016071.article

https://www.sciencealert.com/microplastics-are-so-pervasive-you-can-even-find-them-stuck-in-spider-webs

Martian concrete made from dust, blood, and urea (also potato starch and salt)

https://pubs.aip.org/physicstoday/article/76/3/62/2868070/Building-on-Mars-with-human-blood-and

https://www.sciencedirect.com/science/article/pii/S2590006421000442

https://ui.adsabs.harvard.edu/abs/2018EGUGA..20.4453Z/abstract

https://www.eurekalert.org/news-releases/982978

https://www.degruyter.com/document/doi/10.1515/eng-2022-0390/html

[Ask the Science Couch]

House dust mite allergens

https://pubmed.ncbi.nlm.nih.gov/11845577/

https://pubmed.ncbi.nlm.nih.gov/7464922/

https://www.jacionline.org/article/0021-8707(67)90045-7/fulltext  

https://link.springer.com/article/10.1007/s12016-018-8693-0

[Butt One More Thing]

Fecal dust air pollutant from cow and horse manure

https://fee.org/articles/the-great-horse-manure-crisis-of-1894/

https://99percentinvisible.org/article/cities-paved-dung-urban-design-great-horse-manure-crisis-1894/

https://www.texasobserver.org/cafos-panhandle-tceq/