Reposted by Ghazal GeshnizjaniAl Jazeera English @aljazeera.com · 09/03/2026Drains across the Iranian capital Tehran are continuing to explode after earlier Israeli and US strikes on oil depots and infrastructure. Medical experts are warning the toxic smoke and runoff has increased the risk of deadly illnesses, including cancer. 33825569
Ghazal Geshnizjani @ghazalgesh.bsky.social · 09/03/2026This area where IPM schools of Astronoly and Particle are located north of Tehran. 000
Ghazal Geshnizjani @ghazalgesh.bsky.social · 14/12/2025My heart is with Barus and Holley 🖤 As a physics graduate student the building was a second home to us #brownuniversity 040
Reposted by Ghazal GeshnizjaniThe New York Times @nytimes.com · 23/11/2025A wildfire burning for more than a week in drought-stricken Iran has razed portions of the ancient Hyrcanian Forests, a UNESCO World Heritage site home to many endangered species.nyti.msFire Threatens Iran’s Ancient Forest, a World Heritage SiteIran has been battling its worst drought in more than six decades. A blaze in the north has now eaten through parts of the old treasure. 27540
Reposted by Ghazal GeshnizjaniMiBaWi @mibawi.bsky.social · 21/11/2025#Iran > The Hyrcanian Forests, since 2019 a UNESCO World Natural Heritage site, has been affected by a major #wildfire in the Alit area of Marzanabad, Mazandaran Province. More than 400 first responders and five firefighting helicopters are engaged in firefighting efforts. 022
Reposted by Ghazal GeshnizjaniReuters @reuters.com · 22/11/2025Iran battles fire in UNESCO-listed forest, gets Turkey's help reut.rs/44sSnZVreut.rsIran battles fire in UNESCO-listed forest, gets Turkey's helpIran has sought help to fight a devastating fire in UNESCO-listed forests in its north, with neighbouring Turkey sending firefighting planes, Iran's top environmental official said on Saturday. 0164
Reposted by Ghazal GeshnizjaniChris Lintott @chrislintott.bsky.social · 14/10/2025Cosmologists! We have a faculty job going here in Oxford - happy to answer questions. Brief version is that this remains a great & collaborative place to do science and the students are superb. 🔭 www.jobs.ac.uk/job/DOP628/a...jobs.ac.ukAssociate Professor of Cosmology at University of OxfordRecruiting now: Associate Professor of Cosmology on jobs.ac.uk. Click for details and explore more academic job opportunities on the top job board 69454
Reposted by Ghazal GeshnizjaniKatie Mack @astrokatie.com · 02/09/2025I’m doing a public talk with @perimeterinstitute.ca in Waterloo! www.eventbrite.ca/e/how-the-un... (Tickets are free but you have to be quick — Eventbrite ticket reservations open at 9am Eastern Sep 2, which is in… 5 minutes)eventbrite.caHow the Universe Ends - Katie Mack (CIGI)The Big Bang started the universe 13.8B years ago - but how might it end? Here's what modern astrophysics says about its ultimate fate. 920937
Reposted by Ghazal GeshnizjaniAl Jazeera English @aljazeera.com · 25/07/2025At least 62 Palestinians killed across enclave in Israeli attacks, as two more malnutrition deaths are recorded.bit.lyDeath toll from starvation in Gaza rises to 115 as Israeli attacks continueAt least 62 Palestinians killed across enclave in Israeli attacks, as two more malnutrition deaths are recorded. 313284
Reposted by Ghazal GeshnizjaniLIGO Scientific Collaboration @ligo.org · 15/07/2025"Merger of two massive black holes is one for the record books" @jenlucpiquant.bsky.social reports on our LIGO @egovirgo.bsky.social KAGRA discovery of #GW231123 arstechnica.com/science/2025... 🔭🧪⚛️arstechnica.comMerger of two massive black holes is one for the record booksThe event resulted in a new black hole with a mass 225 times larger than our Sun. 1153
Reposted by Ghazal GeshnizjaniZahra Fakhraai @zahrafakhraai.bsky.social · 19/06/2025Friends Branding together to check on expats' elderly parents in Tehran, doctors staying in dangerous places providing free care, folks in rural areas providing free housing, food, and car rides, these are Iranian stories that you won't hear in the msm. We are human too and deserve to live. 121
Reposted by Ghazal GeshnizjaniYashar Ali 🐘 @yasharali.bsky.social · 17/06/2025The White House has confirmed that “We” means the United States but won’t provide any other details. 1018871
Reposted by Ghazal GeshnizjaniAl Jazeera English @aljazeera.com · 17/06/2025Tehran, home to 10 million people, suffers from severe traffic congestion making a speedy evacuation impossible.bit.lyTrump warns Tehran residents to ‘evacuate immediately’. But can they?Tehran, home to 10 million people, suffers from severe traffic congestion making a speedy evacuation impossible. 67318
Ghazal Geshnizjani @ghazalgesh.bsky.social · 17/06/2025"Modeling Gravitational Wave Bias from 3D Power Spectra of Spectroscopic Surveys" is out!🔭 Led by Dorsa Sadat Hosseini and a great collaboration with Amir Dehghani, Leo Kim, Alex Krolewski, and Suvodip Mukherjee across different institutes. @jjlkim.bsky.social @perimeterinstitute.ca @uwaterloo.ca 130
Reposted by Ghazal GeshnizjaniAl Jazeera English @aljazeera.com · 16/06/2025Iran’s air defence batteries have been firing overnight in the capital Tehran to counter a fourth night of Israeli strikes. Iranian officials say Israeli attacks have killed more than 224 people, including 70 women and children. 214565
Reposted by Ghazal GeshnizjaniMaria @mmylova.bsky.social · 08/06/2025My institute, Kavli-IPMU at the university of Tokyo is hiring early career researchers whose work has been disrupted due to difficult circumstances due to events happening at various places currently in the world. Please repost and encourage them to apply. 🙏🏻 www.ipmu.jp/en/job-oppor...ipmu.jpSpecial Postdoctoral Positions for displaced scientists (2025)The Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU), WPI at the University of Tokyo solicits applications for its special Postdoctoral Fellowship program. 184
Reposted by Ghazal GeshnizjaniPerimeter Institute for Theoretical Physics @perimeterinstitute.bsky.social · 04/06/2025How did the universe begin? PI researcher Niayesh Afshordi unpacks the history of the Big Bang theory and what the evidence tells us about the universe’s beginnings: perimeterinstitute.ca/news/perimet...perimeterinstitute.caPerimeter researcher tells the real history of the Big Bang | PI News 044
Ghazal Geshnizjani @ghazalgesh.bsky.social · 31/05/2025Do jets really need two wings? Think of the budget cuts if they only had one! @ligo.org 020
Reposted by Ghazal GeshnizjaniDan Garisto @dangaristo.bsky.social · 30/05/2025NSF budget would close down one of LIGO's sites. This would be, to put it lightly, a catastrophe for gravitational wave astronomy. "In FY 2026 NSF will operate only one of the two sites and will support a reduced level for technology development." bsky.app/profile/hast... 9375109
Reposted by Ghazal Geshnizjaniphilhalper.bsky.social @philhalper.bsky.social · 26/05/2025@nafshordi.bsky.social and I had a blast talking about our new book The Battle of the Big Bang with the legendary @seanmcarroll.bsky.social . You can check it out here: www.youtube.com/watch?v=iG1I...youtube.comMindscape 316 | Niayesh Afshordi and Phil Halper on the Big Bang and BeforeYouTube video by Sean Carroll 0294
Ghazal Geshnizjani @ghazalgesh.bsky.social · 23/05/2025Thicket may go very fast, but you can also join the live stream 🙂 @nafshordi.bsky.social 031
Reposted by Ghazal GeshnizjaniEmma Chapman @dreochapman.bsky.social · 08/05/2025My new book review is out! My goodness did this one take me on a journey… thanks for a great read @philhalper.bsky.social @nafshordi.bsky.social 🔭📖 physicsworld.com/a/beyond-the...physicsworld.comBeyond the Big Bang: reopening the doors on how it all began – Physics WorldEmma Chapman reviews Battle of the Big Bang: The New Tales of Our Cosmic Origins by Niayesh Afshordi and Phil Halper 2146
Reposted by Ghazal GeshnizjaniNiayesh Afshordi @nafshordi.bsky.social · 02/05/2025#BattleoftheBigBang is finally here! Take advantage of a 30% discount by using this discount code (UCPNEW) when ordering from: press.uchicago.edu/ucp/books/bo... 192
Ghazal Geshnizjani @ghazalgesh.bsky.social · 27/03/2025🚀 Paper Day! How Much NEC Breaking Can the Universe Endure? Quantum fields violate NEC. As an example of a semilocal quantum-motivated energy condition, check out the parameter space over which SNEC, is consistent with the recent results from #DESI. @perimeterinstitute.ca @desisurvey.bsky.social 191
Reposted by Ghazal GeshnizjaniNiayesh Afshordi @nafshordi.bsky.social · 25/03/2025Hello, London! I’m thrilled that I’ll be speaking at the iconic Royal Institution @ri-science.bsky.social on June 28th about #BattleoftheBigBang, which is also the topic of my upcoming book by @uchicagopress.bsky.social with @philhalper.bsky.social Book your tickets here: rigb.org/whats-on/bat...rigb.orgBattle of the Big BangAstrophysicist Niayesh Afshordi explores the latest debates on the origin of our universe. 2126
Ghazal Geshnizjani @ghazalgesh.bsky.social · 20/03/2025سال نو مبارک و نوروزتان پیروز. امیدوارم آغاز بهار و سال جدید با همنوع دوستی، مهربانی و خردمندی بیشتر رقم بخوره 🙂 🐣 🪻🌱 Happy Nowruz, May the new turn of earth around the sun brings us all more empathy for each other, kindness, and wisdom. #Nowruz @perimeterinstitute.ca 000
Reposted by Ghazal GeshnizjaniMark Carney @mark-carney.bsky.social · 09/03/2025Thank you. We're strongest when we are united. 643126631675
Ghazal Geshnizjani @ghazalgesh.bsky.social · 05/03/2025If you’ve been hoping origin of cosmos could be less dramatic than current affairs, here’s a rigorous work by Amir Dehghani, Jerome Quintin & me showing Cuscuton bounce has no strong coupling problems & is within observational non-Gaussianity bounds. #cosmology @perimeterinstitute.ca @uwaterloo.ca 274
Reposted by Ghazal GeshnizjaniNPR @npr.org · 13/02/2025After going quiet on bird flu, CDC scientists have published a report on its spread among veterinarians. The findings suggest a need for better surveillance.npr.orgAfter delay, CDC releases data signaling bird flu spread undetected in cows and peopleAfter going quiet on bird flu, CDC scientists have published a report on its spread among veterinarians. The findings suggest a need for better surveillance. 12436881316
Reposted by Ghazal GeshnizjaniESA Space Science @science.esa.int · 10/02/2025This is the first time that the ring of light surrounding the centre of NGC 6505 is detected, thanks to Euclid’s high-resolution instruments. 🔭🧪 #cosmology 112830
Ghazal Geshnizjani @ghazalgesh.bsky.social · 02/02/2025bispectrum/non-gaussianities calculations and Canadian prime minister in one frame 😎 #theoreticalphysics #canadastrong @perimeterinstitute.ca 020
Reposted by Ghazal GeshnizjaniCosmicRami 🏳️🌈🏳️⚧️ @rami.spaceaustralia.com · 23/01/2025The world’s biggest radio telescope is starting to take shape here in Australia and the SKA team is looking for folks to come join this exciting mega-project. Science jobs! 👇🏽 1214
Reposted by Ghazal GeshnizjaniRobert "The Bobby Yaga" McNees @mcnees.bsky.social · 22/01/2025A thread on Felix Klein, Emmy Noether, and credit where credit is due. Felix Klein gave a lecture at the Mathematical Society of Göttingen #OTD in 1918. The title was “On Hilbert’s first note on the foundations of physics." 🧪 ⚛️ 👩🔬 521460
Ghazal Geshnizjani @ghazalgesh.bsky.social · 15/01/2025www.linkedin.com/posts/ghazal...linkedin.comGhazal Geshnizjani on LinkedIn: #battleofthebigbang #bigbangPersian speaking community in Waterloo region don't miss out on this opportunity to hear about the fantastic tales of our cosmic origin and the… 051
Reposted by Ghazal GeshnizjaniNiayesh Afshordi @nafshordi.bsky.social · 04/01/20252025 will be the year of the Black Hole! Watch Out! Another great video, courtesy of @philhalper.bsky.social, featuring yours truly, @ghazalgesh.bsky.social and others. youtu.be/o1A_H67XfzY?...youtu.beThe future of black hole physicsYouTube video by Phil Halper (aka Skydivephil) 042
Reposted by Ghazal Geshnizjaniphilhalper.bsky.social @philhalper.bsky.social · 27/12/2024www.youtube.com/watch?v=o1A_...youtube.comThe future of black hole physicsYouTube video by Phil Halper (aka Skydivephil) 032
Reposted by Ghazal GeshnizjaniKatie Mack @astrokatie.com · 15/12/2024One of the most common celestial objects to be mistaken for a UFO is Venus. (More: www.popsci.com/science/ufo-...) (It is brighter than the brightest stars and never far from the horizon when visible, so people unfamiliar with the night sky can easily be thrown by it.) 55947125
Reposted by Ghazal GeshnizjaniDr Gayathri Eknath @drgeoxymorons.bsky.social · 13/12/2024The Bell Burnell Graduate Scholarship Fund applications are open! This provides funding for current/prospective PhD students from underrepresented groups in #Physics ⚛️ & Astronomy 🔭 🧪Application deadline is 20th Jan 2025. FAQs: www.iop.org/about/suppor... #WomenInSTEM: www.iop.org/about/suppor...iop.orgBell Burnell Graduate Scholarship FundApply now to the innovative fund instigated by leading physicist Professor Dame Jocelyn Bell Burnell and the Institute of Physics to encourage greater diversity in physics. 011476
Reposted by Ghazal GeshnizjaniNiayesh Afshordi @nafshordi.bsky.social · 10/12/2024Curious if black holes are truly what they’re believed to be? This video is for you! 062
Reposted by Ghazal Geshnizjaniphilhalper.bsky.social @philhalper.bsky.social · 09/12/2024Whilst the public might be sure that black holes exist , physicists are starting to wonder if the images we have of them might be something else? But what else? In this short film leading physicists explain the possibilities and how to find them www.youtube.com/watch?v=X7mp...youtube.com5 Black Hole Alternatives & how to find themYouTube video by Phil Halper (aka Skydivephil) 083
Reposted by Ghazal GeshnizjaniNiayesh Afshordi @nafshordi.bsky.social · 09/12/2024"New Tales of Our Cosmic Origins" My interview with University of Waterloo Faculty of Science's Entangler about our upcoming book w/ @philhalper.bsky.social uwaterloo.ca/entangler/fa... @uofwaterloo.bsky.social @uchicagopress.bsky.socialuwaterloo.caNew Tales of Our Cosmic Origins | The EntanglerThe Entangler recently had the opportunity to talk with Niayesh Afshordi, author of the upcoming book Battle of the Big Bang, a compelling exploration of competing cosmological origin stories. 0147
Reposted by Ghazal GeshnizjaniGhazal Geshnizjani @ghazalgesh.bsky.social · 06/12/2024Let me also advertise our work with @wkcosmo.bsky.social where we prove why the other alternatives come at a cost arxiv.org/abs/1107.1241arxiv.orgGeneral conditions for scale-invariant perturbations in an expanding universeWe investigate the general properties of expanding cosmological models which generate scale-invariant curvature perturbations in the presence of a variable speed of sound. We show that in an expanding... 1112
Reposted by Ghazal GeshnizjaniBeatriz Campos Estrada, PhD @exobeatriz.bsky.social · 05/12/2024The Max Planck Institute for Astronomy Summer Internships are open for applications! This is an opportunity for bachelor and masters students 🤩 If you are interested in doing some exoplanets research, contact me! More info: www.mpia.de/en/careers/i... 🔭🪐⭐🧪👩🔬mpia.deSummer internships 23722
Reposted by Ghazal GeshnizjaniNiayesh Afshordi @nafshordi.bsky.social · 04/12/2024Paper day 📣📣📣 “Complex Powerballs: Conformal Cores of Quantum Black Holes in Quadratic Gravity” arxiv.org/abs/2411.19311 We all know that Einstein showed spacetime has geometry, while Quantum Mechanics says that probability (amplitude) is complex. What if spacetime geometry is also complex? (1/3)arxiv.orgComplex Powerballs: Conformal Cores of Quantum Black Holes in Quadratic GravityWe explore the possibility that quadratic gravity, as a renormalizable theory, describes the interior of quantum black holes. We find new exact power-law solutions to pure quadratic gravity under sphe... 3213
Reposted by Ghazal GeshnizjaniEugene Lim @tukohbin.bsky.social · 04/12/2024I am looking for a PhD student for the OCT 2025 intake to work on dynamical compactification of extra dimensions or on boson stars GW signatures! www.kcl.ac.uk/research/the...kcl.ac.ukTheoretical Particle Physics & CosmologyThe research focus of the TPPC Group is on tests of new models of particle physics beyond the Standard Model, including supersymmetry, large extra dimensions and strings. 0106
Ghazal Geshnizjani @ghazalgesh.bsky.social · 30/11/2024So much to unpack here: from the history of science and the confirmation of Newtonian gravity and celestial mechanics, to the overlooked role of many scientists (some intentionally made-forgotten) who have shaped our scientific understanding today. #Gravity #scientist #HistoryOfScience 151