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cenmag.bsky.social
C&EN (Chemical & Engineering News)
@cenmag.bsky.social
7.1K followers 38 following 2K posts
https://cen.acs.org/
Sharing the world of #chemistry: News🗞 Research⚗️ Infographics #PeriodicGraphics ℹ Pictures #CENChemPics 📷 Comics #SketchChemistry 🗯 #FluorescenceFriday ❇️
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cenmag.bsky.social
Researchers have developed a strong ultrathin polymer membrane that totally stops gas molecules from seeping through. Boston University’s Hagen Gress, pictured here, probes the membrane’s properties via vibrational spectroscopy. cen.acs.org/materials/po... #chemsky 🧪
Introducing a gastight ultrathin film
This impermeable polymer comes from the same family as bulletproof Kevlar
cen.acs.org
December 7, 2025 at 10:30 AM
cenmag.bsky.social
More than 25 years after it published a study finding that use of glyphosate is safe for humans, Regulatory Toxicology and Pharmacology retracted it after an astrophysicist and science historian raised concerns about the study’s authorship. cen.acs.org/research-int... #chemsky 🧪
Glyphosate study from 2000 retracted amid corporate-influence concerns
The authors didn’t disclose financial compensation they received from Monsanto for their work on a ghostwritten paper about the herbicide’s safety
cen.acs.org
December 7, 2025 at 10:30 AM
cenmag.bsky.social
The United Nations effort to negotiate a treaty on plastic pollution appears to be at a standstill. The parties’ approach needs to change if a treaty is to be reached. But how? cen.acs.org/environment/... #chemsky 🧪
The UN plastics treaty is at an impasse. Can it reset?
Significant disputes remain about the scope of any treaty, but everyone agrees that negotiations can’t continue as they have been
cen.acs.org
December 7, 2025 at 10:29 AM
cenmag.bsky.social
Dec. 5 Policy Watch: San Francisco is first US city to sue over ultra-processed foods

In other news, EPA pushes back on PFAS pesticide claims, and the World Health Organization classifies atrazine as a probable human carcinogen. cen.acs.org/policy/ultra... #chemsky 🧪
Dec. 5 Policy Watch: San Francisco is first US city to sue over ultra-processed foods
In other news, EPA pushes back on PFAS pesticide claims, and the World Health Organization classifies atrazine as a probable human carcinogen
cen.acs.org
December 7, 2025 at 10:28 AM
cenmag.bsky.social
In the latest edition of #PeriodicGraphics, we take a look at C&EN’s top stories of the year: cen.acs.org/policy/publi...

#chemsky 🧪
Chemical educator and Compound Interest blogger Andy Brunning counts down C&EN’s top stories of the year
December 7, 2025 at 10:26 AM
cenmag.bsky.social
Advisers to the CDC appear poised to consider questions about vaccine safety—and whether certain vaccines for young children are necessary—after hearing from speakers aligned with antivaccine activists. cen.acs.org/pharmaceutic... #chemsky 🧪
CDC advisers hear spurious claims about vaccine safety
The Advisory Committee on Immunization Practices likely to revisit data about adjuvants and trial design
cen.acs.org
December 7, 2025 at 9:06 AM
Reposted by C&EN (Chemical & Engineering News)
laurahowes.bsky.social
Excellent, if depressing, work from @leighkboerner.bsky.social and the @cenmag.bsky.social team 🧪

cen.acs.org/environment/...
The UN plastics treaty is at an impasse. Can it reset?
Significant disputes remain about the scope of any treaty, but everyone agrees that negotiations can’t continue as they have been
cen.acs.org
December 5, 2025 at 4:29 PM
Reposted by C&EN (Chemical & Engineering News)
dalmeet.bsky.social
"The authors didn’t disclose financial compensation they received from Monsanto for their work on a ghostwritten paper about the herbicide’s safety"

My latest for @cenmag.bsky.social:

cen.acs.org/research-int...

@naomioreskes.bsky.social, @undark.org
Glyphosate study from 2000 retracted amid corporate-influence concerns
The authors didn’t disclose financial compensation they received from Monsanto for their work on a ghostwritten paper about the herbicide’s safety
cen.acs.org
December 5, 2025 at 8:40 PM
Reposted by C&EN (Chemical & Engineering News)
laurahowes.bsky.social
Advisory panel on vaccine policy in the US votes to scrap recommendation of #hepatitisB vaccination for newborns. One panel member called decision "unconscionable"
@maxhenrybarnhart.bsky.social for @cenmag.bsky.social
cen.acs.org/pharmaceutic...
CDC panel ends a long-standing recommendation for hepatitis B vaccines for newborns
The change has no scientific basis, critics say
cen.acs.org
December 5, 2025 at 9:47 PM
cenmag.bsky.social
The CDC Advisory Committee on Immunization Practices (ACIP) appears poised to make changes to recommendations surrounding a hepatitis B vaccine given at birth, following a day of contentious discussion. cen.acs.org/pharmaceutic... #chemsky 🧪
CDC panel debates hepatitis B vaccine for newborns at a contentious meeting
Confusion among recently appointed panel members delayed the vote after a day of discussion
cen.acs.org
December 6, 2025 at 10:22 AM
cenmag.bsky.social
Each dot in these glowing green patterns is a molecule resting on a gold surface. Specifically, each is a phenyl-functionalized trioxatriangulenium, a molecule with a phenyl ring sticking out of a base shaped like an upside-down bowl: cen.acs.org/physical-che...

#CENChemPics #chemsky 🧪
In a scanning tunneling microscope image, hundreds of glowing dots organize themselves in hexagons and wavy diagonal lines. The diagonal lines have somewhat regular spacing between each other.
December 6, 2025 at 10:21 AM
cenmag.bsky.social
The fermented drink kefir, created in the Caucasus Mountains, has become popular in the US. The unique yogurt-like substance may boost the immune system, heal gastrointestinal issues, and help regulate metabolism. cen.acs.org/food/ferment... #chemsky 🧪
How chemistry makes kefir such a powerful superfood
The popular drink has an unusual mixture of organisms that can kill harmful bacteria
cen.acs.org
December 6, 2025 at 10:19 AM
cenmag.bsky.social
New research suggests that air cleaners that oxidize VOCs may transform ethanol into by-products such as formaldehyde and acetaldehyde. cen.acs.org/environment/... #chemsky 🧪
Certain air cleaners may remove some VOCs but create others
Devices that oxidize VOCs could be contributing by-products such as formaldehyde
cen.acs.org
December 6, 2025 at 10:18 AM
cenmag.bsky.social
The 2026 Green and Sustainable Chemistry Summer School will be held July 11–18 in Burlington, Vermont. Applications are open now through Dec. 15. cen.acs.org/acs-news/pro... #chemsky
ACS Green Chemistry Summer School opens 2026 applications
The program, held in Vermont, introduces students to green chemistry topics
cen.acs.org
December 5, 2025 at 9:24 AM
cenmag.bsky.social
Congratulations to #CENChemPics November winner Yilei Wu, who set up this thermite demonstration as part of an introductory chemistry course: cen.acs.org/education/un...

Enter our contest by tagging your post with #CENChemPics or submit a photo at cen.acs.org/collections/...
Glowing-hot material erupts from a terra-cotta pot on a ring stand.
December 5, 2025 at 9:23 AM
cenmag.bsky.social
Considering risks to both those inside the lab and people in the community can help minimize hazards—and make chemistry more sustainable: cen.acs.org/environment/...

#chemsky 🧪
Why green chemistry makes science safer for everyone
December 5, 2025 at 9:22 AM
cenmag.bsky.social
Our next Tetrahedron matchup of the ChemPics Bracket Challenge sees the nanocrystals of Felipe Quiroga-Suavita facing off against Carina Crucho's starburst-like crystals. Vote for your favorite and check out the full set of matchups: cen.acs.org/education/sc...

#CENChemPics #chemsky 🧪
anisotropic nanocrystals—a fancy name for nanoparticles that grow faster in some directions than others. starburst-like crystals glowing with bright orange fluorescence under an ultraviolet lamp.
December 5, 2025 at 9:21 AM
cenmag.bsky.social
In this episode of Inflection Point, we travel back in time to relive three historical moments that led to our understanding of antibiotic resistance. @rowanwalrath.bsky.social offers a glimpse into a future when antibiotics are no longer effective. cen.acs.org/pharmaceutic... #chemsky 🧪
Podcast: The ancient, ‘juicy’ origins of antibiotic resistance
Hosts David and Gina endure environmental extremes to understand how resistance emerged—and how we’re fighting it
cen.acs.org
December 5, 2025 at 9:20 AM
cenmag.bsky.social
The US Supreme Court is weighing the president’s authority to impose tariffs, which could have implications for regulating both climate change and other issues. cen.acs.org/policy/litig... #chemsky 🧪
For chemical companies, Supreme Court tariff case goes beyond imports
The high court’s decision could create new routes for action on climate change or stymie regulation
cen.acs.org
December 4, 2025 at 9:50 PM
cenmag.bsky.social
For the December #Newscripts, @fmorningstar.bsky.social took a look at the chemistry of two pop culture moments from the past year: An explosive scene in 28 Years Later and the GBBO sugar dome disaster. Read more: cen.acs.org/education/sc... #chemsky 🧪
An illustration of a red-eyed, gray-skinned zombie chef holding a cake topped with a transparent dome that is exploding and releasing a bluish-purple cloud.
December 4, 2025 at 8:47 PM
cenmag.bsky.social
A chemistry start-up has secured $95 million in series A financing to use artificial intelligence to discover new drugs. cen.acs.org/physical-che... #chemsky 🧪
New York AI chemistry start-up raises $95 million
Excelsior Sciences cofounders say the company will make new molecules using robots and artificial intelligence
cen.acs.org
December 4, 2025 at 8:26 PM
cenmag.bsky.social
Our first Tetrahedron matchup of the ChemPics Bracket Challenge sees the scanning electron microscope of Gustavo P. Caraballo facing off against Alyssa Redge's accidental ice cube. Vote for your favorite and check out the full set of matchups: cen.acs.org/education/sc...
#CENChemPics #chemsky 🧪
A scanning electron microscope image of polymer clusters, one of which resembles a skull. A cylindrical block of ice held in a gloved hand.
December 4, 2025 at 2:57 PM
cenmag.bsky.social
Structural color, which comes from light waves interacting with matter on the nanoscale, is found in many places in nature. Ming Xiao and his team published a physics-based model that can determine what polymer architecture will create a given color. cen.acs.org/materials/po...

#CENChemPics 🧪
An image of a butterfly printed using a structural-color polymer.
December 4, 2025 at 2:43 PM
Reposted by C&EN (Chemical & Engineering News)
fmorningstar.bsky.social
I’m very glad I got to write about 28 Years Later for @cenmag.bsky.social just in time for the Jan release of the next chapter 😆
bethanyhalford.bsky.social Bethany Halford @bethanyhalford.bsky.social · 4d
Looking for a fun read? For the December #Newscripts in @cenmag.bsky.social, Fionna Samuels (@fmorningstar.bsky.social) took a look at the chemistry of two pop culture moments from the past year: An exoplosive scene in 20 Years Later and the GBBO sugar dome disaster
cen.acs.org/education/sc...
Molecular moments in pop culture
Chemical quibbles with explosions and sugar domes
cen.acs.org
December 3, 2025 at 4:03 PM
cenmag.bsky.social
From microscopic crystals in asteroid debris nearly as old as the solar system to a smiling baby who benefited from a medical first, these images showcase how chemistry can both explain the world around us and make it a better place. cen.acs.org/education/sc... #chemsky 🧪
Photos capture some of 2025’s most notable events in chemistry
Los Angeles wildfires, a CRISPR milestone, and a de-extinction controversy are among 2025’s notable events captured in photos
cen.acs.org
December 4, 2025 at 9:51 AM