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Maricel V. Maffini

@mvmaffini.bsky.social
83 followers 205 following 55 posts

Scientist; loves dogs; works on chemicals safety and environmental health. Can't manage what's not measured. Bioquimica & Ph.D. (UNL FBCB-ARG alumna)

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Maricel V. Maffini @mvmaffini.bsky.social · 13/01/2026
In May 2022 FDA filed a petition by NGOs to ban and restrict certain uses of #BPA based on the latest EFSA risk assessment. Jan 20th marks the first year of the EU ban on most uses of BPA. FDA has yet to take substantive action. By law, FDA has 180 days to act. blogs.edf.org/health/2026/...
blogs.edf.org
The European Union marks one year of its BPA ban…where is the FDA?? - EDF Health
What’s new: January 20, 2026 marks the first-year anniversary of the European Union’s (EU) ban on most uses of bisphenol A (BPA) on most uses of bisphenol A (BPA) — an industrial chemical that’s commo...
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Maricel V. Maffini @mvmaffini.bsky.social · 02/12/2025
Phthalates are the quintessential example of failure to protect the public from exposure to toxic chemicals. No matter how high the mountain of evidence is, it's never enough for the regulators to act. wapo.st/4otSko4
wapo.st
How these chemicals went everywhere and threatened our health
These chemicals continue to contaminate Americans’ food, decades after scientists recognized their dangers.
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Maricel V. Maffini @mvmaffini.bsky.social · 15/11/2025
Trump officials set to approve ‘forever chemical’ as pesticide ingredient. www.theguardian.com/environment/...
theguardian.com
Trump officials set to approve ‘forever chemical’ as pesticide ingredient
Critics say that fifth Pfas Trump’s EPA has proposed for approval this year would put food and water supply at risk
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Maricel V. Maffini @mvmaffini.bsky.social · 15/11/2025
New analysis identifies 14 cancer-causing substances allowed in U.S. food. Despite a clear legal prohibition of carcinogens in food, several are still permitted, posing a risk to Americans’ health. @envdefensefund.bsky.social blogs.edf.org/health/2025/...
blogs.edf.org
New analysis identifies 14 cancer-causing substances allowed in U.S. food - EDF Health
Despite a clear legal prohibition of carcinogens in food, several are still permitted, posing a risk to Americans’ health. By Maria Doa, Liora Fiksel and Emma Barrett What’s new? A new EDF analysis ha...
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Maricel V. Maffini @mvmaffini.bsky.social · 27/10/2025
“While industry says ‘faster, faster’ and uses buzz words like ‘progress and innovation,’ it is essential that policymakers understand the repercussions of unleashing new toxic chemicals on the population,” @traceywoodruff.bsky.social www.thenewlede.org/2025/10/tsca...
thenewlede.org
Senate hearing exposes divide over chemical safety law
Industry leaders and Republicans in Congress again signaled their desire to hasten federal reviews of new chemicals at a Senate hearing, while an environmental health expert warned such changes will l...
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Maricel V. Maffini @mvmaffini.bsky.social · 24/10/2025
Today a diverse coalition of 84 organizations called on House and Senate lawmakers to oppose any legislative efforts that would block state laws protecting consumers from toxic chemicals in food. www.ewg.org/news-insight...
ewg.org
Over 80 groups urge Congress to oppose legislation blocking state food safety laws
WASHINGTON – Today a diverse coalition of 84 organizations called on House and
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Maricel V. Maffini @mvmaffini.bsky.social · 03/09/2025
NYC prohibits the use of the following low- and no-calorie sweeteners: acesulfame potassium, advantame, allulose, aspartame, brazzein, monatin, monk fruit, neotame, polydextrose, rebauside, rebaudioside, (continues) www.nytimes.com/2025/08/27/n...
nytimes.com
New N.Y.C. Food Standards Could Spell Doom for Chicken Nuggets
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Maricel V. Maffini @mvmaffini.bsky.social · 21/08/2025
ProPublica analysis shows the administration cuts to health agencies are deeper than it has acknowledged. Though Kennedy said he would add scientists to the workforce, agencies have lost thousands of them. projects.propublica.org/federal-heal...,
projects.propublica.org
Gutted: How Deeply Trump Has Cut Federal Health Agencies
More than 20,500 workers have left or been pushed out of federal health agencies, a ProPublica analysis found. Staffers say the cuts will leave their agencies less equipped to conduct studies, perform...
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Maricel V. Maffini @mvmaffini.bsky.social · 12/08/2025
Mounting evidence suggests that exposure to so-called endocrine-disrupting chemicals present in many products, from food and beverage containers to furniture and agricultural pesticides, may affect male potency from the very beginning of life. www.nytimes.com/2025/08/12/o...
nytimes.com
Opinion | The Problem Is With Men’s Sperm
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Maricel V. Maffini @mvmaffini.bsky.social · 20/06/2025
“The science is established that mixtures of chemicals present below the individual threshold can cause effects,” said @jmuncke.bsky.social. Roughly 3,600 food contact chemicals have been detected in humans, & at least 80 are linked to health concerns. www.thenewlede.org/2025/06/fda-...
thenewlede.org
FDA must fix food packaging rules for MAHA to matter, scientists say
By Brian Bienkowski A grim assessment of children’s health released by the Trump administration last month that pointed to several types of chemicals as contributors to chronic disease has scientist...
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Maricel V. Maffini @mvmaffini.bsky.social · 19/06/2025
FDA Seeks Input on a New Method for Ranking Chemicals in Food for Post-market Assessments. Deadline for comments is July 18. See the docket 👇 www.regulations.gov/docket/FDA-2...
regulations.gov
Regulations.gov
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Maricel V. Maffini @mvmaffini.bsky.social · 16/06/2025
La SEMG advierte sobre el papel de los envases en la exposición a disruptores endocrinos y sus efectos en la salud pública. www.immedicohospitalario.es/noticia/5164...
immedicohospitalario.es
Congreso SEMG No podemos hablar de una salud alimentaria si no hay seguridad en el envase
Cómo perjudican a nuestra salud los microplásticos y otros disruptores endocrinos La SEMG advierte sobre el papel de los envases en la exposición a
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Maricel V. Maffini @mvmaffini.bsky.social · 08/06/2025
Currently, companies can designate the use of a substance as generally recognized as safe (GRAS), & market their products without telling FDA. While companies may voluntarily submit a notice to FDA offering safety evidence, they are not required to & often don’t. thehill.com/opinion/heal...
thehill.com
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Maricel V. Maffini @mvmaffini.bsky.social · 03/06/2025
@ucsf-prhe.bsky.social did the math: EPA’s calculations of male reproductive harm from exposure to endocrine disrupting phthalate DCHP are off by 50,000x. prheucsf.blog/2025/05/15/w...
prheucsf.blog
We did the math. EPA’s calculations of male reproductive harm from DCHP are off by 50,000x.
Despite decades of scientific research and evaluation linking phthalates to male reproductive harm and infertility, these chemicals remain largely unregulated in the United States. There is little ind...
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Maricel V. Maffini @mvmaffini.bsky.social · 22/05/2025
apnews.com/article/ultr... in blood and urine may reveal how much ultraprocessed food we are eating
apnews.com
Markers in blood and urine may reveal how much ultraprocessed food we are eating
Scientists have identified molecules from blood and urine that may reveal how much energy a person consumes from ultraprocessed foods.
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Maricel V. Maffini @mvmaffini.bsky.social · 16/05/2025
To curb chronic disease in Americans, the FDA needs to assert regulatory control over toxic chemicals in our food. www.ehn.org/fda-gras-loo...
ehn.org
To curb chronic disease in Americans, the FDA needs to regulate toxic chemicals in our food.
​FDA reform — not just narrow ingredient bans — is needed to make America healthier.
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Maricel V. Maffini @mvmaffini.bsky.social · 13/05/2025
What Kennedy Gets Right About the Chemicals in Our Food @juliabelluz.bsky.social www.nytimes.com/2025/05/12/o...
nytimes.com
Opinion | What Kennedy Gets Right About the Chemicals in Our Food
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Maricel V. Maffini @mvmaffini.bsky.social · 06/05/2025
this is such important work. Thank you, Mariah for elevating the struggles and resilience of the communities affected by PFAS!
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Maricel V. Maffini @mvmaffini.bsky.social · 29/04/2025
Join us on Wed, April 30th for webinar Ultra-Processed Food & Plastics: A Toxic Relationship, organized by Interfaith Public Network. Learn about the health concerns and opportunities for action from US and EU experts.
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Reposted by Maricel V. Maffini
Sharon Lerner @fastlerner.bsky.social · 23/04/2025
One day they’re working on fulfilling grant requirements, the next they’re being accused of participating in a criminal “scheme.” The new threats facing green groups — and the people who work for them. www.propublica.org/article/eart...
propublica.org
Earthjustice President Describes a “Fundamentally Different” Era of Hostility Toward Environmentalists
Abigail Dillen sees the increase of lawsuits targeting green groups as just one of the growing threats to environmental advocacy organizations — and the people who staff them.
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Maricel V. Maffini @mvmaffini.bsky.social · 23/04/2025
“There’s no one ingredient that accounts for the childhood chronic disease epidemic,” Makary said. Taking petroleum-based food dyes out of the food supply is not a silver bullet. But it is one important step.” wapo.st/4joy5X7
wapo.st
RFK Jr. announces intent to phase out synthetic food dyes
The HHS secretary has frequently blasted food dyes found in candy, cereals, drinks and snacks, and he has made cracking down on color additives a focus of his agenda.
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Maricel V. Maffini @mvmaffini.bsky.social · 22/04/2025
EPA ordered its staff to start canceling grants already awarded. Although EPA is not a large funder of R&D compared with other agencies, it does provide $35 million to $40 million each year to researchers studying the impacts of pollution & ways to reduce them. www.science.org/content/arti...
science.org
EPA orders staff to begin canceling research grants
Agency targets programs that award up to $40 million annually
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Maricel V. Maffini @mvmaffini.bsky.social · 22/04/2025
Are scientific and medical journals the latest target of efforts by the administration to reshape U.S. research? The interim U.S. attorney for the DC has sent multiple journal editors letters asserting their publications are “partisans in various scientific debates” www.science.org/content/arti...
science.org
Trump administration targets academic journals with attorney letter, proposed funding cuts
Budget plan would kill two CDC journals, while U.S. prosecutor accuses some nongovernmental publications of being “partisans”
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Maricel V. Maffini @mvmaffini.bsky.social · 18/04/2025
Top researcher quits NIH, citing censorship under RFK Jr. Watch the full video here: tinyurl.com/4fhc6k2c
tinyurl.com
Top researcher quits NIH, citing censorship under RFK Jr. | CNN
Dr. Kevin Hall joins The Lead
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Reposted by Maricel V. Maffini
STAT @statnews.com · 12/04/2025
The FDA announced plans this week to reduce — and possibly replace — animal testing with other methods for developing certain medicines in a bid to lower R&D costs and, eventually, the prices for prescription drugs.
buff.ly
FDA plans to phase out animal testing in drugs in what it calls a 'paradigm shift'
The move comes after lawmakers sought to force the agency to update regulations that would allow alternatives to animal testing.
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Maricel V. Maffini @mvmaffini.bsky.social · 07/04/2025
Massachusetts Attorney General Andrea Joy Campbell today led a coalition of 16 attorneys general in suing the Trump Administration in the U.S. District Court for Massachusetts over its unlawful attempt to disrupt grant funding issued by the NIH. www.mass.gov/news/ag-camp...
mass.gov
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Maricel V. Maffini @mvmaffini.bsky.social · 04/04/2025
if this happens in the private sector, none of these people will survive a day on the job. But here we are... www.cbsnews.com/news/rfk-jr-...
cbsnews.com
RFK Jr. says 20% of health agency layoffs could be mistakes
Health and Human Services Secretary Robert F. Kennedy Jr. said the CDC's lead poisoning program will be reinstated.
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Maricel V. Maffini @mvmaffini.bsky.social · 01/04/2025
At the center of the controversy, officials tell POLITICO, is the HHS DOGE lead’s secretive approach and his attempts to shield one agency he has ties to from the reduction in force process. www.politico.com/news/2025/03...
politico.com
Internal fallout at HHS delays 10,000 firings
At the center of the controversy, officials tell POLITICO, is the HHS DOGE lead’s secretive approach and his attempts to shield one agency he has ties to from the reduction in force process.
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Reposted by Maricel V. Maffini
Johns Hopkins Center for a Livable Future @livablefuture.bsky.social · 31/03/2025
CLF recruits a limited number of student Summer Research Assistants positions to work during the summer. This year these positions are only open to current JHU students. There are two openings at the Center. APPLY NOW. clf.jhsph.edu/employment/s...
clf.jhsph.edu
Summer Research Assistant at CLF
The Center recruits a limited number of student Summer Research Assistants positions to work during the summer. This year these positions are only open to current JHU students. The positions provide p...
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Maricel V. Maffini @mvmaffini.bsky.social · 31/03/2025
"Make America Healthy Again" is dead heated.world/p/make-ameri...
heated.world
"Make America Healthy Again" is dead
There is nothing RFK Jr. can do at the Department of Health to make up for what's happening at the EPA.
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Maricel V. Maffini @mvmaffini.bsky.social · 31/03/2025
“Very little has happened to protect these people. And one of the major reasons for that is that current approaches have not done a good job showing they’re in harm’s way,” Nachman said. “When we regulate chemicals, we pretend that we’re only exposed to one chemical at a time.” wapo.st/3FOsAC1
wapo.st
Why the health risks from air pollution could be worse than we thought
A new study found elevated and previously overlooked health risks for communities living near industrial polluters.
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Maricel V. Maffini @mvmaffini.bsky.social · 29/03/2025
14 food chemical actions RFK Jr. can take to ‘Make America Healthy Again’. www.ewg.org/news-insight...
ewg.org
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Maricel V. Maffini @mvmaffini.bsky.social · 26/03/2025
This is a sad story. Ultra-processed babies: are toddler snacks one of the great food scandals of our time? www.theguardian.com/society/2025...
theguardian.com
Ultra-processed babies: are toddler snacks one of the great food scandals of our time?
For time-poor parents, straws, sticks, pouches and powders can seem like a quick, convenient and even healthy option. But these oversweetened, mushy foods are creating a generation of choosy consumers...
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Maricel V. Maffini @mvmaffini.bsky.social · 25/03/2025
Closing the GRAS Loophole is a Good Idea. The FDA has the clear authority to significantly strengthen oversight of food chemicals now; here are five major ways 👇 earthjustice.org/experts/pete...
earthjustice.org
Closing the GRAS Loophole is a Good Idea
Here’s how FDA can protect us from dangerous chemicals in our food.
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Maricel V. Maffini @mvmaffini.bsky.social · 18/03/2025
I feel like this bit is still very relevant to describe what's happening youtu.be/JhkZMxgPxXU
youtu.be
There's a Horse In The Hospital | John Mulaney | Netflix Is A Joke
YouTube video by Netflix Is A Joke
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Maricel V. Maffini @mvmaffini.bsky.social · 04/03/2025
He Fought Claims of Harm From Infant Formula. Now He Regulates It. Kyle Diamantas, defended a top formula maker in cases claiming the company had not warned of potential risks to very low-weight babies. He is the new director for the FDA food division. www.nytimes.com/2025/03/04/h...
nytimes.com
He Fought Claims of Harm From Infant Formula. Now He Regulates It.
Kyle Diamantas, a former corporate lawyer, is the new director for the F.D.A. food division, which oversees infant formula. He defended a top maker in cases claiming the company had not warned of pote...
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Maricel V. Maffini @mvmaffini.bsky.social · 27/02/2025
NIH ban on renewing senior scientists adds to assaults on its in-house research. Policy follows firings of tenure-track scientists and suspension of training programs www.science.org/content/arti...
science.org
NIH ban on renewing senior scientists adds to assaults on its in-house research
Policy follows firings of tenure-track scientists and suspension of training programs
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Maricel V. Maffini @mvmaffini.bsky.social · 21/02/2025
@hbottemiller.bsky.social @foodfixco.bsky.social you made to the late show. Congrats!
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Reposted by Maricel V. Maffini
Helena Bottemiller Evich @hbottemiller.bsky.social · 17/02/2025
Scoop: Jim Jones has resigned as FDA deputy commissioner for human foods. The move comes after the Trump administration over the weekend fired thousands of employees across HHS, including many within FDA’s foods program. foodfix.co/jim-jones-re...
foodfix.co
Jim Jones resigns as FDA deputy commissioner for human foods
The resignation comes after a tumultuous weekend of layoffs at FDA and across HHS more broadly.
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Reposted by Maricel V. Maffini
Melanie Benesh @melaniebenesh.bsky.social · 17/02/2025
Trump and RFK campaigned on getting toxic chemicals out of food. But you can’t do that without scientists & staffing up the chemicals office has been a challenge for years. Axing the new hires means MAHA is off to a rough start apnews.com/article/fda-...
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Maricel V. Maffini @mvmaffini.bsky.social · 13/02/2025
In a commentary published in Frontiers in Toxicology, researchers highlight the gaps preventing current regulatory approaches from adequately addressing harmful chemical exposures. @ehnewsroom.bsky.social www.ehn.org/insufficient...
ehn.org
Scientists: Insufficient chemical regulations put public and environmental health at risk
In a commentary published in Frontiers in Toxicology, researchers highlight the gaps preventing current regulatory approaches from adequately addressing harmful chemical exposures. In short: Many che...
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Maricel V. Maffini @mvmaffini.bsky.social · 11/02/2025
ECHA takes on new role to improve safety of packaging materials. The first is to support the EC by preparing a study identifying chemicals of concern in packaging and related components assessing how these chemicals affect their safety, reuse and recycling. echa.europa.eu/-/echa-takes...
echa.europa.eu
All news - ECHA
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Maricel V. Maffini @mvmaffini.bsky.social · 08/02/2025
An excellent reporting by Alec Opperman on the broken generally recognized as safe (GRAS) system that allows companies to put chemicals in food of unknown safety. Neither FDA nor consumers know what's in our food. @moreperfectunion.bsky.social www.youtube.com/watch?v=GTb8...
youtube.com
Reddit Exposed a Dangerous Food Loophole 3 Years Ago. It's Still There
YouTube video by More Perfect Union
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Maricel V. Maffini @mvmaffini.bsky.social · 08/02/2025
NIH cuts billions of dollars in biomedical funding, effective immediately wapo.st/3Q9DrIH
wapo.st
NIH cuts billions of dollars in biomedical funding, effective immediately
The move halts a large slice of money for most universities and research institutions virtually overnight, imperiling vital research in everything from cancer to heart disease.
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Maricel V. Maffini @mvmaffini.bsky.social · 05/02/2025
The Trump administration is “saying let them drink lead”, said Erik Olson, senior adviser to the NRDC Action Fund. @nrdc.org “It’s a bad look to support lead poisoning children,” Olson added. “Not the best foot forward for the new Congress.” www.theguardian.com/us-news/2025...
theguardian.com
Republicans move to repeal lead limits imposed by Biden-era rules
US government would be prohibited from ever mandating lead pipe replacement or lowering lead limits in water
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Maricel V. Maffini @mvmaffini.bsky.social · 29/01/2025
About two-thirds of Americans “somewhat” or “strongly” favor restricting or reformulating processed foods to remove ingredients like added sugar or dyes. This is an area where Democrats and Republicans agree: About 7 in 10 in each group favor the restrictions. apnews.com/article/rfk-...
About two-thirds of Americans “somewhat” or “strongly” favor restricting or reformulating processed foods to remove ingredients like added sugar or dyes. This is an area where Democrats and Republicans agree: About 7 in 10 in each group favor the restrictions.
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Maricel V. Maffini @mvmaffini.bsky.social · 28/01/2025
between 1990 and 2019, the incidence of cancer in under-50s rose by 79%, that means the rise cannot be explained by genetic factors, said Tracey Woodruff, director of the UCSF's Programme on Reproductive Health and the Environment @ucsf-prhe.bsky.social www.theguardian.com/science/2025...
theguardian.com
Ultra-processed food? Forever chemicals? Declining birth rates? What’s behind rising cancer in the under-50s?
Research into the disease has never been more far-reaching, but there is little consensus as to what is causing the rocketing rates of diagnosis in young adults
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Reposted by Maricel V. Maffini
Kevin Hall @kevinh-phd.bsky.social · 25/01/2025
amp.cnn.com/cnn/2025/01/...
amp.cnn.com
Scientists at NIH can’t purchase supplies for their studies after Trump administration pauses outside communications | CNN
Scientists at the National Institutes of Health have been told the communications pause announced by the Trump Administration earlier this week includes a pause on all purchasing, including supplies f...
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Douglas Main @dmain.bsky.social · 23/01/2025
Yesterday Trump EPA withdrew a pending Biden plan that would have set discharge limits on PFAS (forever chemicals). "It’s an unconscionable betrayal of the public’s health in favor of corporate interests," says @melaniebenesh.bsky.social www.ewg.org/news-insight...
ewg.org
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Maricel V. Maffini @mvmaffini.bsky.social · 23/01/2025
Trump hits NIH with ‘devastating’ freezes on meetings, travel, communications, and hiring | Science | AAAS Even more troubling to many researchers is a pause on study sections that many received word of today. Without such meetings, NIH cannot make research awards. www.science.org/content/arti...
science.org
Trump hits NIH with ‘devastating’ freezes on meetings, travel, communications, and hiring
Researchers facing
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