riannejar.bsky.social - Profile | ThreadSky | a Reddit-style client for Bluesky

Photos of the night sky with the world's biggest digital camera, the Vera Rubin Observatory [via @sciam.bsky.social] 🧪🥼🔭🖥️🌌 "a full image of the southern sky every [3] nights using the 8.4-meter Simonyi Survey telescope" www.scientificamerican.com/article/see-... #Vera #Rubin #observatory #cosmos

submitted 20 hours ago • 0 comments

Happy #FathersDay! (A single swan father carrying his chicks on his back, with one following behind in the water)

submitted 1 day ago • 0 comments

Newly discovered cancer cell energy pathway disrupted by Kencur Ginger [via Osaka Uni] 🧪⚗️⚕️🌿🦠☠️ "EMC, a main component of kencur ginger, has shown it can block #tumor growth and prevent #ATP development." www.omu.ac.jp/en/info/rese... #aromatic #ginger #cancer #cell #inhibitor #natural #medicine

submitted 3 days ago • 1 comment

Tomorrow, we will be demonstrating across this country against our wannabe king and his decision to destroy the constitutional rights that Americans fought long and hard to secure. We will show solidarity — and we will do it peacefully. https://robertreich.substack.com/p/tomorrow-is-no-kings-day

submitted 3 days ago • 76 comments

The Metabolically Expensive Brain [via Elsevier, Feb. 2023] 🧪⚗️🧠🔋 "brain size is inversely correlated with pectoral mass in birds, and [also] with muscle use, and therefore smaller in migratory species compared to sedentary ones" www.sciencedirect.com/science/arti... #brain #size #mass #energy

submitted 4 days ago • 0 comments

Boeing 787 Dreamliner crash in Ahmedabad, India, kills more than 200. Is #airtravel really safe, despite the statistics? Footage from a third party via Press Trust of India, on 💀🐦 x.com/PTI_News/sta... #news

submitted 4 days ago • 0 comments

Effort to ground #Physics in #Math and open up the secrets of time [via @quantamagazine.bsky.social] 🧪⚗️⚛️🌡️🌊 "[proved] the harder microscopic-to-mesoscopic step for a gas in one of these settings, completing the chain for the first time" www.quantamagazine.org/epic-effort-... #PhysicSky #MathSky

submitted 5 days ago • 0 comments

Precision is not limited by the second law of Thermodynamics [via TU Wien] 🧪⚛️🕰️🎚️ "this strategy enables an exponential increase in accuracy [with] entropy. This means that much higher precision can be achieved than [] thought possible" www.tuwien.at/en/tu-wien/n... #quantum #clock #accuracy #time

submitted 5 days ago • 1 comment

The young say it best: (on illegal immigrants and the actions of ICE) #immigrants #stolen #land #republicans #conservatives

submitted 5 days ago • 3 comments

My thoughts on what’s going on in Los Angeles:

submitted 6 days ago • 887 comments

OMG! Great ad against Lindsey Graham. youtu.be/J8wMNLaSNW4?...

submitted 7 days ago • 7 comments

Archaeologists find evidence of intensive indigenous agriculture of a 1000 years ago by the Menominee [via Dartmouth] 🧪🥼🦴📷🚜🌿 "intensive farming by ancestral Native Americans at [a] site along the Menominee River" home.dartmouth.edu/news/2025/06... #indigenous #menominee #native #agriculture

submitted 7 days ago • 0 comments

Tumor cell disruption using electric fields to treat Glioblastoma [via USC - Health] 🧪⚗️⚕️🦠❌ "Tumor Treating Fields therapy [delivers] waves of electric fields [] to stop [] growth and signal the [] immune system to attack [] tumor cells" news.keckmedicine.org/could-electr... #cancer #glioblastoma

submitted 7 days ago • 0 comments

"Let there be light," said the Quantum Physicist [via Uni of Oxford] 🧪🥼🔆⚛️ "three-dimensional simulations of how intense laser beams alter the ‘quantum vacuum’ – a state once assumed to be empty" www.physics.ox.ac.uk/news/oxford-... #quantum #vacuum #simulation #light #darkness #empty #space

submitted 8 days ago • 1 comment

A meeting where mathematicians struggled to outsmart AI [via @sciam.bsky.social] 🧪⚗️🤖🧠➗📐💡 “I’ve never seen that kind of reasoning before in models. That’s what a scientist does. That’s frightening.” www.scientificamerican.com/article/insi... #o4mini #AI #math #bot #mathSky #artificial #reasoning

submitted 9 days ago • 4 comments

If he doesn't file a massive defamation suit against melon husk for the very public humiliation by tweet, he'll leave no doubts about #TACO and that he's afraid of public disclosure. #politicSky #epstein #files #release

submitted 10 days ago • 0 comments

Movie #review: The Life of Chuck 🎥🕵️‍♂️📰♋⛓️ "The Life of Chuck feels hobbled by its extreme faithfulness to the @stephenking.bsky.social novella, and its ultimately life-affirming message comes together in a surprisingly lifeless way." www.npr.org/2025/06/06/n... #TheLifeOfChuck #cancer #life

submitted 10 days ago • 0 comments

Great to see this scientific breakthrough, which identifies the elusive #HIV reservoir in immune cells. This could be a first step towards developing a lasting functional cure for HIV. We welcome scientists' committment to end AIDS in our lifetime. www.theguardian.com/global-devel...

submitted 11 days ago • 2 comments

Tea, berries, dark chocolate, and apples increase lifespan [via Edith Cowen Uni] 🧪⚗️🍵🍒🍫🍎🏋️🧓 "a diverse range of foods rich in #flavonoids, such as #tea, #berries, dark #chocolate, and apples, [] lower [] risk of [] serious health conditions" www.ecu.edu.au/newsroom/art... #aging #lifespan #science

submitted 12 days ago • 1 comment

First direct observation of 'standing' waves that shook the world in 2023 [via Uni of Oxford] 🧪⚗️🌊📳🌏 "two antennae [] triangulate [] signals that bounce back from the radar pulse – [measuring] ocean [] water levels with [high] accuracy" www.ox.ac.uk/news/2025-06... #seismic #measurements #tsunami

submitted 13 days ago • 0 comments

"Evil, I think, is the absence of empathy." -- GM Gilbert, The Nuremberg Trials after WWII #JoniErnst #Iowa #republican #politicSky

submitted 13 days ago • 0 comments

England’s first refugee policy? It wasn’t as generous as you’d think. A 16th-century law kept migrants working illegally and living precariously. How far have we really come? #history #refugees #edusky @uk.theconversation.com with thanks

submitted 13 days ago • 1 comment

Resurrection of dead Li-Ion batteries through molecule discovered by AI [via @sciam.bsky.social] 🧪⚛️⚗️🔋📈😀 www.scientificamerican.com/article/revi...

submitted 14 days ago • 2 comments

Experimental painkiller could outsmart opioids - without the 'high' [via Duke Uni] 🧪🥼⚕️💊🏥 “The receptor is expressed on sensory neurons and the brain and spinal cord,” []. “It’s a promising target for treating acute and chronic pain.” medschool.duke.edu/news/experim... #SBI810 #pain #killer

submitted 15 days ago • 0 comments

Scientists in N. Zealand have discovered a native fungus that can break down plastic in just 140 days. Researchers at the University of Canterbury have now found that Daldinia concentrica can digest common plastics like polypropylene & polyethylene, which make up a huge portion of global waste.

submitted 18 days ago • 3 comments

How emotions arise from brief stimuli, in humans and mice [via Stanford Med] 🧪🥼⚕️🙂☹️👿 “Ketamine recipients are fully aware of sensory experience, but they often [lack] typical emotions [from them], even if the sensation [was] unpleasant” med.stanford.edu/news/all-new... #emotions #sensory #stimuli

submitted 17 days ago • 1 comment

HIV vaccine study uncovers new antibody target [via Scripps Research & Karolinska Inst.] 🧪⚗️⚕️🦠😷 Several [] vaccinated animal models produced antibodies that [neutralized] “tier 2” HIV strains, which are among the hardest to block." www.scripps.edu/news-and-eve... #HIV #vaccine #antibody #medicine

submitted 17 days ago • 0 comments

What makes us #human?

submitted 17 days ago • 0 comments

Ingenious: Mid-air transformation allows a flying, rolling robot to transition smoothly [via CA Tech] 🧪⚙️🤖🚁🦼 "a [] Transformer [with] the "brains" to morph in midair, allowing the dronelike #robot to [] roll away [for] ground operations without pause." www.caltech.edu/about/news/m... #transformer

submitted 18 days ago • 0 comments

Sodium-Air fuel cell battery approaches 1000 WH/Kg in full stack assemblies enabling electric #aviation [via #MIT] 🧪⚗️⚙️🔋✈️ "...such an improvement in energy density could be the breakthrough that finally makes electrically powered flight practical" news.mit.edu/2025/new-fue... #FuelCell #battery

submitted 19 days ago • 1 comment

A new theory of nature: everything turns complex [via @quantamagazine.bsky.social] 🧪⚗️🐡🐒🦍💠 Extension of the integrated information theory of consciousness, applied generally, albeit unverifiable because it is context dependent. www.quantamagazine.org/why-everythi... #law #nature #theory #IIT

submitted 19 days ago • 1 comment