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The Science Feed. A curated feed from Bluesky professional scientists, science communicators, and science/nature photographer/artists. See https://l.bossett.io/vkeNf for more information! 🧪
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New research on physics exams! Blank responses may not mean what you think! 🧪
Cassandra Paul @cassandrapaul.bsky.social
@djphysicswebb.bsky.social, Mary Chessey and I have a newly accepted paper on uncollected test item responses on open-ended physics exam questions! Blank responses on exams are missing data, not measurements of physics knowledge or skills. Read on for details... Preprint: arxiv.org/abs/2606.05473
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D-SPIN reconstructs gene regulatory networks from single-cell RNA-seq, revealing how cells maintain homeostasis and respond to perturbations, enhancing understanding of cell-state transitions. PMID:42127893, Cell 2026, @Cell www.cell.com/cell/fulltex… #Medsky #RNA 🧪
www.cell.com
https://www.cell.com/cell/fulltext/S0092-8674(26)00463-0
No description available
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🔥 Fire risk climbs for the young
People born in 2025 face 3.2 more years of extreme fire weather across Europe than those born in 1950, an 84% rise. Southern and Eastern Europe fare worst.
🔗 doi.org/10.1088/1748-9326…
#Climate #Wildfire #Europe #Science 🧪
doi.org
Increasing lifetime exposure to extreme fire weather under climate change in Europe
Increasing lifetime exposure to extreme fire weather under climate change in Europe, Pietroiusti, R, Hetzer, J, Turco, M, Laridon, A, Lejeune, Q, Prudencio Montaño, S, Paprotny, D, Thiery, W
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Revolutionizing spermatogenesis studies, 2,653 genes in 867,062 mouse testis cells reveal dynamic cycles in Sertoli cells, aligning transcription with germ-cell differentiation. PMID:42143021, Cell 2026, @Cell www.cell.com/cell/fulltex… #Medsky #Pharmsky #RNA #ASHG #ESHG 🧪
www.cell.com
https://www.cell.com/cell/fulltext/S009286742600471X
No description available
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Let’s chat 🦑 imagery if you’re at #OCEANS2026! 🌊🧪
FathomNet @fathomnet.bsky.social
Are you in Monterey, CA for the #OCEANS2026? Join our town hall tomorrow to talk about ocean imagery. 📆Wednesday, September 23 at 1:30pm 📍Center Steinbeck III 🎤Moderated by @kakanikatija.bsky.social of @mbarinews.bsky.social Bring your frustrations, wish lists, and ideas. Let’s build this together!
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For those that observe, may you and yours be blessed w/ abundance & balance this #equinox
Sept 23 0005 UT (Sept 22 2005 EDT)
#Sun crossed #celestialequator southward
UMass Amherst Sunwheel vividly teaches these #season cycles
#astrophysics #autumnalequinox #calendar #fall #histsci 🧪🏛️🍎☀️ #scicomm
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Aging male mice show disrupted water balance/thermoregulation: AVP neurons in hypothalamus are key. RNA-seq finds Avp upregulated. Old neurons enlarged, more excitable. PMID:42364986, Nat Commun 2026, @NatureComms doi.org/10.1038/s41467-02… #Medsky #Pharmsky #RNA #ASHG #ESHG 🧪
doi.org
The role of supraoptic hypothalamic arginine vasopressin neurons in aging-associated water balance and thermoregulatory deficits in male mice | Nature Communications
Aging disrupts physiological homeostasis, impairing thermoregulation, metabolism, and water balance, but the underlying neural mechanisms remain unclear. Here, we identify arginine vasopressin (AVP) neurons in the supraoptic nucleus (SON) of the hypothalamus as a critical driver of these changes in male mice. Single-nucleus RNA-sequencing revealed Avp among the most upregulated neuronal transcripts with age. Aged SONAVP neurons displayed enlarged size and heightened excitability, features consistent with hyperactivity. Chemogenetic activation of SONAVP neurons in young mice reproduced aging-associated phenotypes including hypothermia, reduced energy expenditure, and suppressed water intake. Conversely, knockdown of Avp in the SON of aged mice restored water balance, partially improved thermoregulation and metabolism. Pharmacological studies demonstrated that neuroendocrine AVP signaling mediates these deficits through distinct contributions of V1A and V2 receptors. These findings ident
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Dr. Rich B @morphometrich.bsky.social
This would be a major loss for science, paleontology, and the general area in Hays, Kansas, which is a literal hotbed of Cretaceous Paleontology. I am seeing a couple of trusted sources confirming this, but I am hoping this is just a panicky post from someone and will not come to pass.
hayspost.com
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Some people have no imagination, not in the derogatory sense; there is an actual condition called Congenital Aphantasia, and people who suffer from it can't imagine things, at least in the sense of visualizing it. 🧪
Link: www.sciencedirect.com/sci…
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A variant (rs17437411) in the HOXA locus lowers blood counts, protects against blood cancers, and alters phenotypes, linked to a new lncRNA, HOXA opposi. PMID:42068976, Cell 2026, @Cell www.cell.com/cell/fulltex… #Medsky #Pharmsky #RNA #ASHG #ESHG 🧪
www.cell.com
https://www.cell.com/cell/fulltext/S0092-8674(26)00439-3
No description available
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💡🧪 🧵 For an upcoming funded program, I am looking to hire a *research scientist* (postdoc also a possibility) to carry out design and simulation of semiconductor lasers based on nanophotonic structures
The candidate must be a US citizen or permanent resident due to requirements from the sponsor
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“‘One of our strategic priorities is to enhance trust in the science & practice of public health,’ said YSPH Dean @meganranney.bsky.social .
‘In order to meet this goal, we first have to understand *who* and *what* is considered trustworthy’.” 🧪🛟
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Samples from the 90-million-year-old peatland sediments in Antarctica reveal that fire dynamics in the earliest peatlands of the warm, CO₂-rich Cretaceous era closely resembled those of modern ecosystems, according to a paper in Communications Earth & Environment. go.nature.com/3V5GSG0 #Paleosky 🌎🧪
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Jenna Norton @jenna-m-norton.bsky.social
What. A. Day. NIH grant-making was paused for several hours today. Not sure who gave the order. But in light of the Friday night Bhattacharya-Vought feud & threatened EO to implement #ScienceDeathPanels, my money is on Russell Vought. I learned of the pause from a colleague around 11:30. 🧵
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It's 2.26am and cloudy. I had hoped to have my first go capturing Mars with the Beehive, before their super close encounter around my Birthday next month. Perhaps better luck tomorrow. 🔭 🧪
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🧪 Abstracts from CARB-X-supported projects
Sean Monaghan of Rhode Island Hospital (Top rated abstract)
Wendy Wong of Melio
Greg Medlock of Vedanta Biosciences
Juan Jose Infante of VAXDYN
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