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1,1,2,5,14...?

@mariagillespie.bsky.social
252 followers 333 following 42 posts

Mathematician, covid safe, loving life

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Mask Together Colorado @wemaskcolorado.bsky.social · 06/05/2026
A huge THANK YOU to everyone who masked up for any reason, and to those who signed the petition this winter! We got the attention of the hospitals and the media and will continue to fight for the safety of all Coloradans and the right to breathe clean air. 1/3
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Mask Together Colorado @wemaskcolorado.bsky.social · 06/05/2026
Colorado has sadly just recorded another pediatric flu death, bringing the total to 8 in this record-setting flu season. We need to continue to fight for mask protection and access to vaccines and clean air to help prevent these tragedies from happening in future years. 2/3
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MaskTogetherAmerica @togetherwemask.bsky.social · 03/03/2026
Math Prof. @mariagillespie.bsky.social, founder of MaskTogetherColorado ( @wemaskcolorado.bsky.social), was interviewed by Óscar Contreras, @denver7.bsky.social for advocating for universal masking in Colorado hospitals to combat the unprecedented surge in flu cases. bit.ly/Denver7_on_MTC 🧵
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1,1,2,5,14...? @mariagillespie.bsky.social · 18/01/2026
Finally, a silicone stopper can be put over the tip of the straw and then pushed against the valve while drinking to minimize leakage. This one seems to be a pretty good size: a.co/d/bIq5Vc2 Enjoy, and stay safe!
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1,1,2,5,14...? @mariagillespie.bsky.social · 18/01/2026
Get a thin (5mm) metal straw, this one works for me: a.co/d/1Dsay7H
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1,1,2,5,14...? @mariagillespie.bsky.social · 18/01/2026
How do you drink safely while wearing a mask? Start with a SIP valve from sipmask.com, and then check out these tips I learned from the Fit Testing for Everyone community:
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MaskTogetherAmerica @togetherwemask.bsky.social · 24/12/2025
“Happy to report that one week after traveling on an 11 hr flight to visit my elderly grandparents during a bad flu season, our masks kept us safe and helped us avoid spreading any airborne viruses to them, and we are able to enjoy Christmas together!”—Sinead O’Brien, @cleanairie.bsky.social
At an airport, Sinead and her husband were wearing BNX N95 respirators and their daughter was wearing a flomask.
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Morgan Fairchild @morgfair.bsky.social · 06/10/2025
COVID & Health News, 10/5/25 open.substack.com/pub/drruth/p...
open.substack.com
COVID & Health News, 10/5/25
According to JP Weiland, there are about 510,000 new COVID infections daily with about 1 in 66 people currently infected in the U.S.
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Katie J. @kjohnstone.bsky.social · 08/10/2025
New Substack post about HEPA air purifiers. They're good, but not quite as good as the advertising might lead you to expect. mecfs.substack.com/p/do-hepa-ai...
mecfs.substack.com
Do HEPA air purifiers really remove 99.95% of dangerous particles from the air?
The 99.95% claim is technically true, but misleading. HEPA air purifiers are good! But not that good.
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Kelly @broadwaybabyto.bsky.social · 08/10/2025
Many of us with complex chronic illness learn a ton over years of neglect in healthcare settings. We learn by painful trial and error and become confident about when to speak up. But someone who’s never been sick? Someone who doesn’t speak the language or is critically ill?
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Plague Poems @plaguepoems.bsky.social · 08/10/2025
My friend the optimist insists that at core most people are basically good. My friend the pessimist insists that at core most people are basically bad. I worry, my friends, that at core most people are basically unwilling to be inconvenienced.
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1,1,2,5,14...? @mariagillespie.bsky.social · 31/08/2025
Thanks so much @parentmishmash.bsky.social for showing me this hack and fit testing my kid!
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1,1,2,5,14...? @mariagillespie.bsky.social · 31/08/2025
This is how I make a seal cut at the nose on my kid's Zimi mask so that it fits better around her nose bridge, thus eliminating gaps around each side of her nose. The fit factor went way up on fit testing with this hack!
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1,1,2,5,14...? @mariagillespie.bsky.social · 05/05/2025
Here is the full combinatorics textbook, "Counting Rocks!", published as an "Open Educational Resources" project, that my coauthors and I wrote that the videos are a companion for. It's completely free to download and use! mathematicalgemstones.com/maria/OER.html
mathematicalgemstones.com
Maria Monks Gillespie | Counting Rocks!
Homepage for Maria Gillespie at the Colorado State University mathematics department.
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1,1,2,5,14...? @mariagillespie.bsky.social · 05/05/2025
Virtual technology for learning is improving by the day, and it is both more accessible by allowing flexible formatting and asynchronous learning, and can reach a larger audience with the same effort.
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1,1,2,5,14...? @mariagillespie.bsky.social · 05/05/2025
If anyone is interested in remote teaching strategies, streaming tools, hybrid technology, video background design, cameras, lighting, or anything related, please reach out! I know I post about covid safety a lot here, but mathematics is my job, and virtual tools are my hobby.
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1,1,2,5,14...? @mariagillespie.bsky.social · 05/05/2025
Remote teaching in 2020 launched my interest in high quality virtual mathematics presentation. Just today I completed this playlist for undergraduate combinatorics, the result of years of learning and a semester of hard work: www.youtube.com/playlist?lis...
youtube.com
Counting Rocks! An Introduction to Combinatorics - YouTube
This playlist features the re-created videos for the Open Educational Resource "Counting Rocks! An Introduction to Combinatorics" created at Colorado State U...
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Plague Poems @plaguepoems.bsky.social · 01/05/2025
As I enter the copy room my colleague tells me she is feeling sick, she is really feeling very sick, and she is worried she will need to leave early, and though I want to note that we’ve already been in two meetings together, instead I just say: I’ll make my copies later.
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Kelly @broadwaybabyto.bsky.social · 10/03/2025
I beg of you, please stop asking chronically ill people if we’re “better yet”. We aren’t getting better. That’s the nature of chronic illness. We may have good days & bad days… but we will always be sick. Its unrelenting. Always there. Ready to flare at any time.
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Billy Hanlon @bhanlon15.bsky.social · 10/03/2025
New York Times: “30 Charts That Show How Everything Changed…in March 2020” “The number of people reporting a disability soared. Many Americans struggled with long Covid and reported cognitive issues like “brain fog” www.nytimes.com/interactive/...
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Kelly @broadwaybabyto.bsky.social · 21/02/2025
We’re still in a global pandemic. The threat of Covid has not passed. We’re seeing an increase in bird flu, measles, TB & more. Public health has been dying a slow & painful death for years. We are on our own. The good news? Masks work for more than just Covid! My complete guide to respirators 👇🏼
disabledginger.com
We’re Witnessing the Fall of Public Health… and Your Best Tool is a Mask
Measles in Texas, bird flu in Louisiana, tuberculosis in Kansas and Covid everywhere. Public health has been dying a slow death for years, we can’t count on it anymore. What can we count on? A mask!
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Insert clever tag line @mamamontasaki.bsky.social · 22/02/2025
Our 13-year-old crawled into our room 2 weeks after having a mild case of Covid & woke us in a panic because they felt like “their legs had been dipped in acid & set on fire.” It’s been 3 years & while the pain has decreased a bit, it’s still there every day + chronic fatigue and more. It’s brutal.
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AuDHDreadPirateRoberts 🇯🇲🇧🇧🪮♾️🕋 (Not quite a Bluesky elder) @audhdeepdive.blacksky.app · 23/02/2025
BREAKING: The USDA has confirmed five additional dairy herds in California have tested positive for the virus, raising the total to 732. Currently, 74% of the state's dairy herds are infected with H5N1. www.aphis.usda.gov/livestock-po...
aphis.usda.gov
HPAI Confirmed Cases in Livestock | Animal and Plant Health Inspection Service
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Fae Prince of Magpies @forbiddenkyanite.bsky.social · 23/02/2025
"Most non disabled people are unable to face the fact that health is temporary. That all it takes is one virus, accident or stroke of bad luck to leave you permanently disabled. They don’t want to face it, so they blame us for our illnesses and tell themselves it can’t possibly happen to them."
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Dr Ben King 🌍 @benking01.bsky.social · 23/02/2025
Exactly 3 years on 👇 I've still not felt 'breathless', but as for 'some kind of impairment or difficulty in functioning'... Yes - that still sums it up 🙏 And as #COVIDisNotOver the number of people affected is growing! #COVID19 #BloodClots #PulmonaryEmbolism #LongCovid
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Tom Kindlon @tomkindlon.bsky.social · 17/02/2025
"The data demonstrates little or no improvement over 16 weeks, while the frequency of contact throughout the study demonstrates the episodic and relapsing nature of long COVID." #LongCovid #PASC
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Alt National Park Service @altnps.bsky.social · 17/02/2025
More than 300 FAA employees have been dismissed.
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Journal of Clinical Epidemiology @jclinepi.bsky.social · 05/02/2025
Massive covidization and subsequent decovidization of the scientific literature involved 2 million authors - Journal of Clinical Epidemiology www.jclinepi.com/article/S089...
jclinepi.com
Massive covidization and subsequent decovidization of the scientific literature involved 2 million authors
We aimed to examine the growth trajectory and impact of COVID-19-related papers in the scientific literature and how the scientific workforce engaged in this work.
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Adam Squires @adsquires.bsky.social · 17/02/2025
Why did we spend so much effort in 2020 mitigating against the wrong routes for COVID spread? Really interesting background on the history and culture of science and medicine for airborne diseases.
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Nathalie Pearson @natpearson.bsky.social · 03/02/2025
A webinar discussing practical solutions 👏🏼🙏🏻 @henryburridge.bsky.social #SafeAirSchools events.teams.microsoft.com/event/7d54c6...
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Amanda Hu @amandalhu.bsky.social · 03/02/2025
Kind of like “weird I thought Covid was over but everyone I know keeps getting Covid”
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Denis - The COVID Info Guy @thecovidinfoguy.bsky.social · 01/02/2025
’Unacceptable’: Doctors raise alarm as COVID runs rampant in Aussie aged care facilities. "The COVID death rate of our elderly in residential care is double that of the pandemic peak. Experts are blaming poor vaccination rates." @AnikaWells @healthgovau Source: archive.md/k2w7n
‘Unacceptable’: Covid runs rampant in Aussie aged care facilities.

With the Covid death rate of our elderly in residential care double that of the pandemic peak, ­experts are blaming poor vaccination rates. Search vaccination rates of aged care facilities near you.
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Denis - The COVID Info Guy @thecovidinfoguy.bsky.social · 03/02/2025
COVID-19 deaths in aged care are now double what they were at the peak of pandemic. 🔹During the height of the pandemic, 18 Feb 2020 to 19 May 2022 - 2,415 COVID deaths 🔹Between 27 May 2022 to 16 Jan 2025, that number surged to 4,778 deaths hellocare.com.au/covid-19-dea...
hellocare.com.au
Covid-19 deaths in aged care are now double what they were at the peak of pandemic - Hellocare
With nearly 5,000 Covid-19 deaths in aged care since mid-2022, critics argue that poor vaccination rates and systemic failures are leaving aged care residents dangerously exposed.
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S|AM Connor @criprights.bsky.social · 03/02/2025
COVID deaths in aged care are now double what they were in the peak of the pandemic. hellocare.com.au/covid-19-dea... Does anybody CARE? If not, why not? This is shameful. #auspol
hellocare.com.au
Covid-19 deaths in aged care are now double what they were at the peak of pandemic - Hellocare
With nearly 5,000 Covid-19 deaths in aged care since mid-2022, critics argue that poor vaccination rates and systemic failures are leaving aged care residents dangerously exposed.
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Violet Blue® @violetblue.bsky.social · 01/02/2025
Good news: The Covid Safety Handbook is now at more retailers including Bookshop (indie, direct)! Our project is going places! linktr.ee/covidbook * Covid, TB, influenza, and bird flu are spread through inhalation. Our book is a one-stop prevention, relationship, and health boundary tool for all.
linktr.ee
The Covid Safety Handbook | Linktree
An inclusive, practical guide.
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Taylor Lorenz @taylorlorenz.bsky.social · 01/02/2025
And “during Covid” is right now!
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Gerard Hughes @ghhughes.bsky.social · 29/01/2025
This looks like a useful hack. A bit expensive, though, to acquire all the parts but it could be worth it.
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Christophe Veltsos @drinfosec.bsky.social · 30/01/2025
Great 🧵👇 especially for anyone in the teaching profession. 👏👏👏 Prof Gillespie
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Clinically Vulnerable Families 💙💜💗 @cvcev.bsky.social · 28/01/2025
♻️ 1.5 days left! ⌛️(ends Thursday afternoon) 💙💜💗 Please help if you can 🙏 💕 Thank you to all those who have kindly helped so far. Your support is very much appreciated! 💕 Please help to share even if you cannot donate: www.crowdfunder.co.uk/p/clinically...
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1,1,2,5,14...? @mariagillespie.bsky.social · 29/01/2025
Thanks to @parentmishmash.bsky.social for the ideas on how to do this modification! It also passed fit testing with flying colors.
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1,1,2,5,14...? @mariagillespie.bsky.social · 29/01/2025
Who says masks have to hide your face? We can stay safe from airborne hazards like covid, flu, and wildfire smoke without giving up connection and communication. Stay healthy! #MaskUp #CovidIsAirborne
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1,1,2,5,14...? @mariagillespie.bsky.social · 29/01/2025
Finally, here is the omnimask with the speech diaphragm, and a mic for amplification. It sounds really good, and lip reading and smiles are all available!
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1,1,2,5,14...? @mariagillespie.bsky.social · 29/01/2025
Here is the omnimask *without* the speech diaphragm, shown with the original exhalation filter on the chin. Very muffled, even with the personal amplifier I am wearing.
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1,1,2,5,14...? @mariagillespie.bsky.social · 29/01/2025
Finally, let's do a sound comparison test for teaching! Here is a clip in a 3M Aura. Good sound quality, but no facial expressions or smiles or lip reading accessibility.
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1,1,2,5,14...? @mariagillespie.bsky.social · 29/01/2025
How can I still breathe with the exhalation valve taken out? Easy, remove the little silicone valve piece from one of the inhale valves. This will only work with the pancake filter adapters, not the original Omnimask filters.
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1,1,2,5,14...? @mariagillespie.bsky.social · 29/01/2025
Here is a video showing how the speech diaphragm is attached. It's taken out of a different respirator, the Honeywell North RU8500 Half Mask.
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1,1,2,5,14...? @mariagillespie.bsky.social · 29/01/2025
Here's how things look and sound in the mask, which I modified to put a black circular speech diaphragm from another respirator in where there is usually a filtered, muffled sounding exhalation valve at the chin. It fits perfectly:
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