Arturo Portnoy
@portna.bsky.social
Professor of Mathematical Sciences at the University of Puerto Rico, Mayagüez
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The pandemic ends when infections end, not when your attention span ends.
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The pandemic ends when infections end, not when your attention span ends.
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Arturo Portnoy
@portna.bsky.social
· Sep 11
RELEASE THE EPSTEIN FILES
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Reposted by Arturo Portnoy
Wow. I didn't realize that neurodegeneration was this widespread among university students.
Distinct brain alterations and neurodegenerative processes in cognitive impairment associated with post-acute sequelae of COVID-19
Dayoung Seo, ...
#LongCOVID #neuroCOVID
www.nature.com/articles/s41...
Distinct brain alterations and neurodegenerative processes in cognitive impairment associated with post-acute sequelae of COVID-19
Dayoung Seo, ...
#LongCOVID #neuroCOVID
www.nature.com/articles/s41...
November 29, 2025 at 4:21 PM
Wow. I didn't realize that neurodegeneration was this widespread among university students.
Distinct brain alterations and neurodegenerative processes in cognitive impairment associated with post-acute sequelae of COVID-19
Dayoung Seo, ...
#LongCOVID #neuroCOVID
www.nature.com/articles/s41...
Distinct brain alterations and neurodegenerative processes in cognitive impairment associated with post-acute sequelae of COVID-19
Dayoung Seo, ...
#LongCOVID #neuroCOVID
www.nature.com/articles/s41...
I was the Deputy Director of the Office of Long COVID. Now I’m terrified I have it.
innerunion.substack.com/p/i-was-the-...
innerunion.substack.com/p/i-was-the-...
I was the Deputy Director of the Office of Long COVID. Now I’m terrified I have it.
I have been unwell for almost two months.
innerunion.substack.com
November 30, 2025 at 2:26 AM
I was the Deputy Director of the Office of Long COVID. Now I’m terrified I have it.
innerunion.substack.com/p/i-was-the-...
innerunion.substack.com/p/i-was-the-...
A demented psychopath rapist pedophile con man thief felon is illegally starting a war between the USA and Venezuela.
November 30, 2025 at 1:02 AM
A demented psychopath rapist pedophile con man thief felon is illegally starting a war between the USA and Venezuela.
Reposted by Arturo Portnoy
Decades ago, Kris Hansen showed 3M that its PFAS chemicals were in people's bodies. Her bosses halted her work.
Now she wrestles with the secrets that 3M kept from her and the world.
(Published May 2024)
Now she wrestles with the secrets that 3M kept from her and the world.
(Published May 2024)
Toxic Gaslighting: How 3M Executives Convinced a Scientist the Forever Chemicals She Found in Human Blood Were Safe
Decades ago, Kris Hansen showed 3M that its PFAS chemicals were in people’s bodies. Her bosses halted her work. As the EPA now forces the removal of the chemicals from drinking water, she wrestles wit...
www.propublica.org
November 29, 2025 at 11:00 PM
Decades ago, Kris Hansen showed 3M that its PFAS chemicals were in people's bodies. Her bosses halted her work.
Now she wrestles with the secrets that 3M kept from her and the world.
(Published May 2024)
Now she wrestles with the secrets that 3M kept from her and the world.
(Published May 2024)
History will judge MAGAts very harshly. The fascist/racist/rapist stench will follow them forever.
November 29, 2025 at 4:36 PM
History will judge MAGAts very harshly. The fascist/racist/rapist stench will follow them forever.
Reposted by Arturo Portnoy
Marco Rubio knew the truth 9 years ago, but he sold his soul for power. Yet he was correct: He will one day have to explain his support for Trump, and this is not going to end well.
November 29, 2025 at 4:06 PM
Marco Rubio knew the truth 9 years ago, but he sold his soul for power. Yet he was correct: He will one day have to explain his support for Trump, and this is not going to end well.
Regardless, the fart walk is a great idea, for all involved.
Imagine posing for a photographer friend who sells your image to iStock and a year later, you see this is what The Washington Post has done with the image of you walking on a beautiful fall day
November 29, 2025 at 3:04 PM
Regardless, the fart walk is a great idea, for all involved.
"Why do you wear a mask?"
Why do you carry three guns to the supermarket?
Why do you carry three guns to the supermarket?
November 28, 2025 at 10:37 PM
"Why do you wear a mask?"
Why do you carry three guns to the supermarket?
Why do you carry three guns to the supermarket?
These assholes say maskers live in fear...
November 28, 2025 at 9:44 PM
These assholes say maskers live in fear...
Remember the six million dollar man?
Damn inflation...
Damn inflation...
November 27, 2025 at 11:07 PM
Remember the six million dollar man?
Damn inflation...
Damn inflation...
Plato's cave allegory implies that, in a sense, all sensorial experience is indirect, not unlike virtual experience. Both are shadows of some reality.
We can be misdirected by sensorial perception, or through virtual experience. But both can lead to enlightment as well.
We can be misdirected by sensorial perception, or through virtual experience. But both can lead to enlightment as well.
November 25, 2025 at 6:57 PM
Plato's cave allegory implies that, in a sense, all sensorial experience is indirect, not unlike virtual experience. Both are shadows of some reality.
We can be misdirected by sensorial perception, or through virtual experience. But both can lead to enlightment as well.
We can be misdirected by sensorial perception, or through virtual experience. But both can lead to enlightment as well.
April 2018 cover. Quiet, piggy!
November 25, 2025 at 5:25 PM
April 2018 cover. Quiet, piggy!
Very nice! Brazil kicking Trump, Zuckerberg and other bloodsucking leeches in the nuts.
www.france24.com/en/americas/...
www.france24.com/en/americas/...
How Brazil's innovative 'Pix' payment system is angering Trump and Zuckerberg
The Pix instant payment system is used by nearly everyone in Brazil, from street vendors to major retailers. In a recent op-ed, economist Paul Krugman even touted it as the “future of money”. Its succ...
www.france24.com
November 25, 2025 at 8:05 AM
Very nice! Brazil kicking Trump, Zuckerberg and other bloodsucking leeches in the nuts.
www.france24.com/en/americas/...
www.france24.com/en/americas/...
MAGA's stupidity is breathtaking.
November 25, 2025 at 12:19 AM
MAGA's stupidity is breathtaking.
It's a good time to remember or research what happened with collaborators of fascism after the regimes fell.
November 24, 2025 at 5:06 PM
It's a good time to remember or research what happened with collaborators of fascism after the regimes fell.
Share widely. This is the root of many evils in the USA.
robertreich.substack.com/p/how-to-get...
robertreich.substack.com/p/how-to-get...
How to Get Rid of "Citizens United"
We can do away with it without a new Supreme Court. Nor do we need a constitutional amendment. There’s a far simpler way.
robertreich.substack.com
November 24, 2025 at 1:22 PM
Share widely. This is the root of many evils in the USA.
robertreich.substack.com/p/how-to-get...
robertreich.substack.com/p/how-to-get...
Instead of coming up with ways to make and have more, we should be learning how to be happy with less. The world cannot sustain our insatiable "needs".
November 24, 2025 at 1:15 PM
Instead of coming up with ways to make and have more, we should be learning how to be happy with less. The world cannot sustain our insatiable "needs".
