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Delphine Farmer

@chemdelphine.bsky.social
1.4K followers 412 following 178 posts

Environmental chemist. Professor at Colorado State University. Avid birder, very amateur photographer. I study the air we breathe (indoors and out) and how it impacts forests, climate, and health. Navigating life with the grace of a hippo on a balance beam

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Reposted by Delphine Farmer
Dr Hannah M. Rowland @hannahmrowland.bsky.social · 11h
Hope your day was better than Darwin’s, on this day 165 years ago
I am very poorly today & very stupid & hate everybody &everything.

Charles Darwin
Letter to Charles Lyell
1st October 1861
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Mark Peifer (He, him) @peiferlabunc.bsky.social · 28/09/2026
Today's winning Biology All email--in fact this is a contender for best this year
Hi all,

We received a package with no name to GSB 2144 with 80 sheep brains in it. If you are expecting this package, please reach out and we can coordinate the pickup!

Best wishes,
Jenna
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The Onion @theonion.com · 16/09/2026
Gas Station Price Sign Using Scientific Notation
Gas Station Price Sign Using Scientific Notation
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Lamont-Doherty Earth Observatory @lamont.columbia.edu · 17/09/2026
Methane emissions in the NYC-metro area are largely from natural gas, but these emissions represent a substantial amount of fuel consumers are paying for but not using, finds a new study led by PhD student and @lamont.columbia.edu climate researcher Yuwei Zhao: bit.ly/4h4G2Rb
Manhattan and Brooklyn bridges on the East River, New York City, with Queens and Manhattan at top and bottom, 1981. Credit: GeorgeLouis, English Wikipedia
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Daniel S Helman, PhD @helmandaniel.bsky.social · 09/09/2026
NSF is consolidating its geoscience research grants into a new program, GEOcore and reducing annual grants to $110 million total in 200-350 awards. Typical was about $300 million in 1,200 awards. Not including institutional grants ($1.3 billion/yr) and those may be gone. www.nsf.gov/funding/oppo...
nsf.gov
Geosciences Core Research: Atmospheric, Geospace, Earth and Ocean Sciences (GEO Core)
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Dave Palmer @davepalmerusask.bsky.social · 03/09/2026
#chemchat
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The Onion @theonion.com · 28/08/2026
HHS Replaces Childhood Vaccination Schedule With List Of Recommended Animal Bites theonion.com/hhs-replaces-childhood…
HHS Replaces Childhood Vaccination Schedule With List Of Recommended Animal Bites
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Oli @oliaworth96.bsky.social · 19/07/2026
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Lisa Fazio @lkfazio.bsky.social · 11/07/2026
"NSF employees are now concerned that the $1 billion of withheld funds will not be released. If they are not, the combination of withheld funds and clawbacks would result in funding cuts of more than 30% for most directorates compared with their planned spending for 2025"
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James Allan @jamesallanatmos.bsky.social · 25/06/2026
I did an article for NCAS explaining how heatwaves can bad for air quality as well as all the other problems they come with. The short version is with all the chemistry going on and air arriving from the continent, they are especially bad for PM and ozone. 🧵(1/6)
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Buttons (Ashley) 🏴‍☠️#OFMDForLife🏴‍☠️ 🏳️‍🌈🤡 @sevensugars.bsky.social · 17/06/2026
Since I did do my PhD in cyanobacteria growth and treatment optimization modeling AND work in the water treatment industry, I’m gonna share my theory as to what’s happening here and how to fix it. People are focusing on the painted bottom of the pool increasing residual heat, and while that 1/19
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Delphine Farmer @chemdelphine.bsky.social · 23/05/2026
This would be so epically dumb. If I had had to leave while applying for a green card, my (American citizen) husband and I would have just left and taken jobs elsewhere. The potential loss of well-trained people and separation of families is staggering.
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Delphine Farmer @chemdelphine.bsky.social · 22/05/2026
And congratulations to Tony Hernandez for graduating with his MS, and I can’t wait to see what lucky employer gets to work with him!!
Members of the Farmer group - Go Rams!!Tony Hernandez - a well-deserved MS!!
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Delphine Farmer @chemdelphine.bsky.social · 22/05/2026
Congratulations to Matson Pothier for defending his PhD dissertation today, with cooking emissions from #HOMEChem to forest emissions from Colorado!
Matson in front of a slide showing gas phase emissions and deposition of organic C
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Delphine Farmer @chemdelphine.bsky.social · 05/05/2026
Got notice of a grant being likely funded, and now this?? What a week!! Wordle 1,781 1/6* 🟩🟩🟩🟩🟩
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Simon and Gargamel @kellylink.bsky.social · 20/04/2026
This Is Just To Say I have turned off the AI features that were in the update and which you were probably hoping to monetize Fuck you they were stupid so unnecessary and so annoying
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Delphine Farmer @chemdelphine.bsky.social · 01/04/2026
Always a delight working on papers with friends! We took a look at the literature and revisited our previous ideas about what we might learn about atmospheric chemistry from COVID-19.
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KalicoKobold @kalicokobold.bsky.social · 27/03/2026
Oh my god, the alt text is a gift. 😹
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Colorado Climate Center @climate.colostate.edu · 23/03/2026
Last week's record-setting heat took a major toll on Colorado's snowpack (which was already in bad shape). We're currently sitting at 44% of average with ~2 weeks to go until our average peak. Little to no precipitation is expected over the next 7 days. #cowx
Colorado statewide snowpack graphic, illustrating the 2026 snowpack relative to historical data. The 2026 data shows a steep drop in snow water equivalent over the past week.
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Jeffrey Mervis @policyhound.bsky.social · 16/03/2026
Wondering why NIH and NSF aren't making new grants? We explain what's happening at OMB. www.science.org/content/arti...
science.org
Analysis: Why the research money isn’t flowing from NSF and NIH
White House review of agency spending plans for this year is causing delays
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Paul Voosen @voosen.me · 10/03/2026
My latest for @science.org on the fraught future of NCAR as NSF's deadline nears. It can still go so many ways.
science.org
White House plan to break up iconic U.S. climate lab moves forward
Bidders have lined up to take over pieces of the National Center for Atmospheric Research
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bryson @brysonm.bsky.social · 09/03/2026
holy shit
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Russ Schumacher @rschumacher.cloud · 03/03/2026
A couple of the wildest graphs I recall making. It's been #warm... at Fort Collins the warmest climatological winter by nearly 4°F! #cowx 🌡️
graph showing the number of days in December through February with temperatures of 60F or above at Fort Collins, Colorado. This year had 43 which is almost double the previous high of 22.graph showing the number of days in December through February with daily low above 32F at Fort Collins, Colorado. This year had 19 which is almost double the previous high of 10.
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CATCH Science @catchscience.bsky.social · 01/03/2026
Hej CATCH community!👋 Don't miss our next seminar by Jennifer Murphy @envchemjen.bsky.social (Uni Toronto) on March 18th, 15:00 UTC on "Sources and fate of atmospheric ammonia in the Arctic". Zoom link & calendar entry as usual on 👉 www.catchscience.org #CATCHscience @igac-ecr.bsky.social
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Jacquelyn Gill @jacquelyngill.bsky.social · 27/02/2026
The National Science Foundation is systematically being converted to the National AI and Quantum Research Foundation. “I see it as the administration exerting political control over what has traditionally been NSF’s ability to fund the best science.”
science.org
NSF officials break silence on how AI and quantum now drive agency grantmaking
Leaders acknowledge White House role in controversial moves
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Paul Noth @paulnoth.bsky.social · 23/02/2026
Mine in this week’s @newyorker.com
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Delphine Farmer @chemdelphine.bsky.social · 23/02/2026
The (Canadian) Gen X urge to wish I was I was in Sherbrooke now…
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Delphine Farmer @chemdelphine.bsky.social · 16/02/2026
I am so excited about this paper! Luka Mamić was a visiting PhD student who studied remote sensing and data tools at Sapienza U in Rome - he was curious about air pollution interactions with crops and game to try some experimental science... pubs.rsc.org/en/content/a...
pubs.rsc.org
Mechanisms of ozone effects on plant stress in soybean across growing season: from leaf to regional perspective
Ground-level ozone (O3) is a major constraint on agricultural productivity, yet most knowledge comes from controlled fumigation experiments using chronic exposures that differ from the episodic condit...
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Jeremy Berg @jeremymberg.bsky.social · 13/02/2026
Directorate for Geosciences 5/11
A line curve showing number of awards for fiscal year 2026 compared to fiscal years 2021-2025 for the Directorate for Geosciences. The fiscal year 2026 curve lies well below curves for other fiscal years.
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Delphine Farmer @chemdelphine.bsky.social · 03/02/2026
Really excited to share this paper from Mj Riches @chemj.bsky.social showing a humidity dependence on VOC emissions from ponderosa pines. At higher RH, emissions increase substantially - and we explore a few possible mechanisms in the paper. agupubs.onlinelibrary.wiley.com/doi/10.1029/...
agupubs.onlinelibrary.wiley.com
Combined Effects of Air Humidity and Temperature on Biogenic Volatile Organic Compound Emissions and Photosynthesis
Temperature is the primary driver of biogenic volatile organic compound emissions, but humidity also enhances emission rates Biogenic volatile organic compounds have different sensitivities to hu...
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Ron Filipkowski @ronfilipkowski.bsky.social · 30/01/2026
Movie review from Guardian on Melania.
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Iain Roberts @slowbikeiain.bsky.social · 20/01/2026
Yesterday it was cows using tools, today its penguins using satellite imagery.
Headline: "Scientists discover emperor penguin colony in Antarctica using satellite images"
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Delphine Farmer @chemdelphine.bsky.social · 21/01/2026
Finally, some good news!
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CharliCenter-CX @cambrianera.radical.town · 09/01/2026
Oh my god she uploaded a slow motion video and it's amazing. He's just like me fr running as best he can and still going backwards over and over!
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Russ Schumacher @rschumacher.cloud · 14/01/2026
Among all the eye-popping numbers in the December summary linked below, it's also the first public appearance of this annual weather/climate visualization which I am quite fond of. Larger version at climate.colostate.edu/co_cag/index... in case resolution here isn't so good. #cowx
Time series graph of temperature and precipitation for Colorado with respect to average, and beneath each graph is a map showing the temperature or precipitation anomalies for each month. This is for calendar year 2025, in which all months but January were warmer than average, and it was drier than average overall.
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Delphine Farmer @chemdelphine.bsky.social · 09/01/2026
everything about this is delightful (except the trail of destruction left behind): www.theguardian.com/world/2026/j...
theguardian.com
On the lamb: 50 sheep break away from flock and storm German supermarket
Ewes and lambs coaxed out of store in Burgsinn after about 20 minutes, leaving trail of destruction in drinks section
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Delphine Farmer @chemdelphine.bsky.social · 27/12/2025
I usually love seeing my friends quoted in the NYTimes, but the reasons for @marinavance.bsky.social being the focus of this story are so sad. The damage to US science is terrible.
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Carl Quintanilla @carlquintanilla.bsky.social · 19/12/2025
The winds in Colorado/Wyoming are insane. @mikezaccardi.bsky.social
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Delphine Farmer @chemdelphine.bsky.social · 28/11/2025
It’s not Black Friday, it’s Bobcat Friday!! Greetings from a rare backyard visitor…
Bobcat walking across rocks of water feature
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Tommy Siegel @tommysiegel.bsky.social · 15/11/2025
ok this one’s a little niche but if you get it, you get it
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Linsey Marr @linseymarr.bsky.social · 10/11/2025
Thanks to Erica Hartmann for leading a newly published paper, "Ten questions concerning indoor dust." What is it? Where does it come from? How does it mediate environmental exposures? How does it affect chemicals indoors? www.sciencedirect.com/science/arti...
Dust life cycle: sources, elimination, exposure
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Brittany Trang @brittanytrang.com · 08/11/2025
A Sharon Begley byline, almost 5 years after her death. Upon hearing the news James Watson had died, a STAT reporter said in our Slack, "I wish I could read what Sharon would have written." Incredible news: Sharon in fact did pre-write a Watson obit. And it is masterful and excoriating. 🧪🧬🧫
statnews.com
James Watson, dead at 97, was a scientific legend and a pariah among his peers
James Watson, the co-discoverer of the structure of DNA who died Thursday at 97, was a scientific legend and a pariah among his peers.
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Ann Marie Carlton @amgcarlton.bsky.social · 05/11/2025
Congratulations to John Mak and all of GOTHAAM. The NSF-NCAR video summary really captures the magic of atmospheric chemistry
youtu.be
GOTHAAM: Air Quality Research in New York City
YouTube video by NSF NCAR & UCAR
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Ann Marie Carlton @amgcarlton.bsky.social · 29/10/2025
This summer's GOTHAAM campaign to unravel the determining chemistry that affects air quality in the complex NYC metropolitan area - Led by John Mak and supported (A LOT) by NSF-NCAR Independent federal #science safeguards human health & the environment @ncar-acom.bsky.social
news.ucar.edu
Taking to the skies to track urban air quality | NCAR & UCAR News
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Chemjobber @chemjobber.bsky.social · 21/10/2025
Is this accurate?!? Re Harvard CCB "Chemistry and Chemical Biology will go down to four or five admits, one of the professors added."
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Delphine Farmer @chemdelphine.bsky.social · 16/10/2025
Devastated that I forgot to submit my mascot name suggestion in time for OB3 (One Big Beautiful Bill)
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Courtney Milan @courtneymilan.com · 13/10/2025
Hey Colorado residents, particularly people in Fort Collins, but also those who are somewhat near: my sister and brother in law are running a study on an easy, portable method to help maintain indoor air quality during adverse outside events (like smoke or pollution).
humanenvironments.org
Participate in our Clean Air Study | sapphires
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Prof Peter Hotez MD PhD DSc(hon) @peterhotezmdphd.bsky.social · 30/05/2025
No words
America’s brain drain
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Delphine Farmer @chemdelphine.bsky.social · 11/10/2025
I think this explains what is going on with papers at JGR-Atmos - I have two stuck in reviewer purgatory for >90 days!?! Anyone else?
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