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Jakub Koláček

@kolacekj.bsky.social
274 followers 328 following 20 posts

Arabist, historian, sociologist, teacher (Charles Uni), family man, nature lover

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Reposted by Jakub Koláček
Fakta o klimatu @faktaoklimatu.cz · 02/10/2026
„Čistě, levně, bezpečně – vážně v Česku nemáme zájem? Ani teď?“ Ropa se vrací nad 100 dolarů a jinde v Evropě na to reagují. Několik čísel z textu energetického analytika Chris Rosslowe z think-tanku Ember, který vyšel na SeznamZpravy:
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Dr. Petr Brož @chmee2.bsky.social · 14/09/2026
Prosím, přepošlete tohle učitelce/učiteli vašich dětí. S @lucieskodova.bsky.social jsme dali dohromady soutěž o pět balíků našich knih. Stačí vytvořit něco vesmírného či geologického a dát nám o tom na email vědět. A škola/knihovna/třída může být o pár pěkných knih bohatší ;)
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Jakub Koláček @kolacekj.bsky.social · 13/09/2026
Pestřeň dubový, neboli volský jazyk. K nalezení toho času na Závisti.
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George Dubya @itisgeorge.bsky.social · 08/09/2026
I support a Manhattan Project-type push because we're gonna need large scale CO2 removal. But imagine the allies deciding in 1940 that they didn't need to fight the Nazis with tanks/troops/etc. because any day now the Manhattan Project would develop an atomic bomb and they could just fight with that
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James Hell Brooks @kleinman.bsky.social · 03/09/2026
With ChatGPT down it's time to email your biggest enemy at work and cause a nervous breakdown as they are unable to respond
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Qagggy! @qagggy.bsky.social · 02/09/2026
Bikes are an economic disaster. The only things I bought for my bike in the past year were brake pads. At this rate, how are corporations going to make money? How are they going to buy politicians? How will I ever go into debt? Who are we going to bomb? The whole foundation of our economy is shot.
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Matthew J Kuiper @matthewjkuiper.bsky.social · 26/08/2026
Speaking of Starter Packs, here’s a list of good folks to follow bsky.app/profile/matt...
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James @gravitysra1nbow.bsky.social · 29/07/2026
Happy 6th month anniversary to the 3 day special military operation to denuclearize Iran to all those who celebrate!
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Jakub Koláček @kolacekj.bsky.social · 14/07/2026
By the end of July, you can apply for a Workshop on Food, Nourishment and Metabolic Justice in the Extractive Frontiers, organized by colleagues from the Oriental Institute in Prague. Looks pretty interesting. orient.cas.cz/en/news/CALL...
orient.cas.cz
CALL FOR PAPERS: Workshop on Food, Nourishment and Metabolic Justice in the Extractive Frontiers (Praha, 20-23 October 2026) - Oriental Institute of the Czech Academy of Sciences
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Michael E. Mann @michaelemann.bsky.social · 24/06/2026
The projections were WAY off. They predicted a woman in a dress when it was actually a man in a suit.
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Denny Carter @dennycarter.bsky.social · 26/05/2026
They stole the internet’s knowledge and all the work that went into it and they want to sell it back to us for a fee. What a business model.
 ALTMAN: "WE SEE A FUTURE WHERE INTELLIGENCE IS A UTILITY, LIKE ELECTRICITY OR WATER, AND PEOPLE BUY IT FROM US ON A METER.
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Ashton Pittman @ashtonpittman.bsky.social · 02/05/2026
15 years ago today, Kate and William killed Osama Bin Laden at their wedding.
cover page of The Telegraph's May 4-10 edition creatures a large photo of Kate and William kissing at their wedding atop a large headline that says: Osama bin Laden is dead.

Smaller text above the photo of the couple says: “A day filled with romance, pageantry, and playfulness”
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Šalom @salomoun.bsky.social · 23/04/2026
Nice one :-)
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Elizabeth N. Saunders @profsaunders.bsky.social · 06/04/2026
Don't think I've ever been as terrified in all the Trump security crises. As @pkrugman.bsky.social said, "It’s the most astonishing, awful thing that I’ve ever seen, and we’ve all seen a lot of awful things." Mainly as cope, and to teach it, I keep asking why. 1/ open.substack.com/pub/paulkrug...
open.substack.com
Living in Hell
War crimes coming: A horrifying update
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Hafsa Halawa @hafsahalawa.bsky.social · 30/03/2026
Fuel shortage/rationing is starting to creep into daily life in Nairobi, inflationary price hikes hitting Ethiopian pockets, Egypt shuts down its night life, currency is crashing (again), Jordan turns off AC in state building. The region has no way to absorb the commodities shock from this war.
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Jakub Koláček @kolacekj.bsky.social · 27/03/2026
"The US is no longer taken as seriously as it once was. It is watched, and quietly dismissed - not as a stable hegemon, but as something volatile. A spectacle. A performance. A farce." www.middleeasteye.net/opinion/how-...
middleeasteye.net
How Trump's regime has become captive to its own lies
The US is no longer taken seriously by the world. It is watched, and quietly dismissed - not as a stable hegemon, but as a volatile spectacle
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Jenne Jan Holtland @jjholtland.bsky.social · 26/03/2026
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Elizabeth N. Saunders @profsaunders.bsky.social · 13/03/2026
So, on top of to the awful human toll, the US will: —Crash the global economy —Put boots on the ground in Iran? —Undercut what's left of alliance cred in Asia —Burn through overstretched naval assets —Incentivize global nuclear proliferation —Enrich Russia/China —??? www.wsj.com/world/middle...
wsj.com
More Marines and Warships Head to Middle East as Hormuz Mission Intensifies
The Pentagon has also weighed sending more destroyers to the region to escort tankers through the strait.
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Michal Berg @michalberg.cz · 12/03/2026
“in the absence of power demand growth, growth in wind and solar power would compensate for the loss of LNG passing through the Strait of Hormuz in just 9 months.”
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Dr. Petr Brož @chmee2.bsky.social · 12/03/2026
Zbytečná zajímavost pro dnešní den Tohle je ca 12 km velký měsíc Marsu, Deimos. Úniková rychlost z jeho povrchu je ca 20 km/hod To znamená, že je těsně nad tím, jak nejrychleji dokáže člověk vyskočit. Profi sportovci dají ca 15 až 18 km/h Takže z něho nedokážeme vyskočit! :)
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Reza H. Akbari @rezahakbari.bsky.social · 11/03/2026
A must-read post by Maryam Nasr Esfahani, an Iranian feminist philosopher and ethicist, translated by Alireza Doostdar and wonderfully contextualized by Naghmeh Sohrabi. open.substack.com/pub/naghmehs... #Iran
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Monica Marks @monicamarks.bsky.social · 02/03/2026
We had a quieter afternoon & evening than usual in most of the UAE. But Abu Dhabi just heard a loud attack. It’s nearly 3am and my students are safe & sound but shaken. My students—all students, in all countries affected by this war—should be learning, not trembling from bombs.
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Abu Aardvark @abuaardvark.bsky.social · 02/03/2026
State Department telling Americans to get out of most of the Middle East due to serious safety risks, and to find their own flights. www.reuters.com/world/middle...
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Jan Daniel @horalistani.bsky.social · 02/03/2026
"israeli bombings in southern, eastern, western and nothern Lebanon. once again. just like the sound of a broken record, the needle is stuck on Lebanon" checkpoint303.free.fr/trackinfo_30... www.youtube.com/watch?v=MI_s...
youtube.com
Checkpoint 303 - Needle Stuck On Lebanon
YouTube video by Codruta Oprean
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Matthew Downhour @matthewdownhour.bsky.social · 02/03/2026
Pedro Sanchez continues his run as the only world leader convincingly acting like he cares to defend a rules based world order
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Shiva Balaghi @sbalaghi.bsky.social · 02/03/2026
But Golestan Palace is most famed for its mirrored tilework. In the Safavid era, mirrors imported from Europe often arrived in shards. Rather than discarding broken mirrors, Iran's crafstmen developed this unique architectural element. Much of it now appears damaged.
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Elizabeth N. Saunders @profsaunders.bsky.social · 28/02/2026
It is sickening to think about what might happen next. Thinking of the people in the path of this folly, and of the people of Ukraine, who could have really used those munitions in year 5 of their brave resistance to Russian aggression. 9/9
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Becca Wasser @beccawasser.bsky.social · 02/03/2026
Iran fired 1200+ projectiles at 5 countries in the first 48 hours. Most were drones. These saturation attacks aim to overwhelm air defenses and drain interceptors. $20-50K Shaheds vs. $4.19M air defense interceptors put US partners on the wrong side of the cost curve.
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Peace Research Center Prague @prcp.cuni.cz · 02/03/2026
🔵 Je možné, že konflikt na Blízkém východě nabyde stejného rozsahu jako válka na Ukrajině. Bude záležet na tom, zda USA a Izrael režim „srazí na kolena,” říká náš výzkumník @kolacekj.bsky.social v rozhovoru pro @respektcz.bsky.social. @ims.fsv.cuni.cz www.respekt.cz/zahranici/vvv
respekt.cz
Írán cílí na vyvolání regionální války. Zásadní je, zda Američané a Izraelci režim vojensky srazí na kolena
S expertem Jakubem Koláčkem o tom, kam se konflikt může rozrůst, o co se Teherán nyní snaží a jak se do vývoje propíše smrt Chameneího
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Anjali Dayal @anjalikdayal.bsky.social · 24/01/2026
let me put this another way: people who die as a result of nonviolent resistance are killed by the state or imperial violence. they are the victims of state or imperial violence. it's not the strategy that's killing them, the strategy is a targeted response to the thing that wants to kill them.
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Ryan Grim @ryangrim.bsky.social · 20/01/2026
This is the Tim Carney (X: @TPCarney) hypothesis on the fertility collapse -- smart phones, basically -- and frankly it packs more explanatory punch than anything else on offer
Arpit Gupta
@arpitrage
I think the best plausible hypothesis to explain the global decline in fertility is something due to phones and the internet:

• time displacement, crowds out other social activities
• digital mediated culture shifts, increasing divergence between men+men so couple formation is down
• other activities are more fun. ie go on trips and share the consumption on social media
• amplifies modernity transition and norm shift towards individualism as opposed to family/collective goals
• possibly impacts moods, distraction, comparison and contributes to anomie 

I'm open to other factors — higher housing costs, daycare costs, etc. As well as amplification channels (when others don't have kids, society adapts and having kids is harder). As well as tempo shifts (timing) to a degree.

But there are few other plausible mechanisms which could account for the globally synchronized nature of fertility declines. It sort of happens everywhere that gets high-speed internet, social media, and cell phones.
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Jan Daniel @horalistani.bsky.social · 20/01/2026
The workshop explores emerging political imaginaries, focusing on questions such as: What domestic and regional visions of the future arise amid these (dis)continuities? Who formulates them, and who is excluded? How do visions advanced by different groups and elites interact, coexist, or clash?
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Jakub Koláček @kolacekj.bsky.social · 14/01/2026
Hard to find anything that captures the situation better
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Drop Site @dropsitenews.com · 14/01/2026
Iranian voices rejecting foreign intervention are being drowned out in western media, journalist Samira Mohyeddin told Drop Site News. She said Iranian students were active in the early days of the protests, calling for human rights & democracy while explicitly rejecting US & Israeli intervention...

Iranian voices rejecting foreign intervention are being drowned out in western media, journalist Samira Mohyeddin told Drop Site News. She said Iranian students were active in the early days of the protests, calling for human rights and democracy while explicitly rejecting U.S. and Israeli intervention. Instead, she warned, a “Disney-fied” narrative of a benevolent prince returning to save Iran dominates coverage. She added that Israeli officials openly urging Iranians to rise up only strengthen state claims of foreign interference and fuel fears of fragmentation and instability.

@jeremyscahill
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@SMohyeddin
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Drop Site @dropsitenews.com · 14/01/2026
🎥 Why is Iranian state media broadcasting images of the dead? Narges Bajoghli, Iran expert & prof. at Johns Hopkins, said Iranian authorities are broadcasting images of people killed in the protests for three reasons. First, “to scare people from coming out onto the street.” Second, to reinforce...
🎥 Why is Iranian state media broadcasting images of the dead?

Narges Bajoghli, Iran expert and professor at Johns Hopkins, said Iranian authorities are broadcasting images of people killed in the protests for three reasons. First, “to scare people from coming out onto the street.” Second, to reinforce claims that unrest is tied to a broader geopolitical campaign with foreign support, even as “a lot of them are also ordinary people.” Third, she said, the state is confronting a “catch-22”: sanctions have collapsed the economy, public anger is real, and people want change but fear civil war—leaving the government “up against a wall” with few paths forward.
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Maryam Jamshidi @msjamshidi.bsky.social · 14/01/2026
This is the diplomatic correspondent for Israel’s Channel 14 openly boasting about arming protesters in Iran to raise the body count. The Iranian govt has slaughtered many. But the “other” side also has lots of blood on its hands x.com/tamir114/sta...
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Vali Nasr @valinasr.bsky.social · 09/01/2026
Excellent piece on the economic roots of Iran protests by Djavad Salehi-Isfahani prosyn.org/ACqb4p8
prosyn.org
The Economic Roots of Iran’s Protests
Djavad Salehi-Isfahani sees a society caught between internal reform it does not trust and external pressure it increasingly fears.
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Peace Research Center Prague @prcp.cuni.cz · 08/01/2026
📣 Postdoc Job Alert! Our colleagues at the @ff.unikarlova.cuni.cz are looking for a part-time postdoctoral researcher (or a PhD student finishing their studies) to join their project on visions of political change in the MENA region. Deadline is on Jan 30. More info: kbv.ff.cuni.cz/en/call-for-...
kbv.ff.cuni.cz
Call for Applications: Postdoctoral Researcher Position in the project Envisioning (Im)possible Futures in the Middle East | Department of Middle Eastern Studies
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Jan Daniel @horalistani.bsky.social · 07/01/2026
Postdoc position focusing on the visions of political change in the Middle East and North Africa (MENA) at Charles University, Prague We are looking for candidates who either hold PhD degree or are finishing their doctoral studies to join the project’s team, starting between spring and fall 2026
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Michal Smetana @smetanamichal.bsky.social · 03/01/2026
1/5 In 2019, the former U.S. NSC expert on Russia under Trump 1.0 testified that the Kremlin wanted a "strange swap arrangement between Venezuela and Ukraine" under the logic of a new Monroe Doctrine. Some 6 years later, under Trump 2.0, Putin can be happy to see a [...]
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Omar García-Ponce @garciaponce.bsky.social · 03/01/2026
1/10 🧵 The U.S. just captured a sitting head of state in a military operation—and Trump says the U.S. will "run" Venezuela “for now.” Whatever you think of Maduro, this is the most consequential unilateral move in the hemisphere since Panama (1989).
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Peace Research Center Prague @prcp.cuni.cz · 03/01/2026
Looking back at 2025, the Middle East may appear "stabilized" from the West. But Iran’s weakening after the 12-Day War risks the country being ignored. In our new policy brief, @kolacekj.bsky.social warns this could lead to another costlier war and argues for a diplomatic opening instead
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East Anglia Bylines @eastangliabylines.co.uk · 02/01/2026
The story of Europe’s economic decline while US is 'soaring' is everywhere. But it is wrong. It is a myth. Europe delivers more leisure, longer life expectancy, less inequality than the US. Gabriel Zucman dismantles the myths.
eastangliabylines.co.uk
Decline, what decline? The myth of dying Europe
There is a widespread view that, by comparison with the USA, Europe is in economic and social decline. But, Zucman argues, it's not true
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the beggars out of here getter @milesklee.bsky.social · 17/12/2025
Academics and technologists are sounding the alarm about a growing crisis in scholarship as we know it: AI-generated citations of nonexistent papers that have infested real journals. Despite being fake, the sources are widely assumed to be authentic the more they appear in published literature.
rollingstone.com
AI Is Inventing Academic Papers That Don't Exist -- And They're Being Cited in Real Journals
Academic articles from authors using large language model are creating an ecosystem of fake research that threatens human knowledge itself.
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Zelení Praha 3 @zelenip3.bsky.social · 20/12/2025
Chodníky jsou rozbité a často neslouží pěším, ale autům. Na bezpečnější přechody se najde jen zlomek peněz, na kole se lidé bojí jezdit. Ve spoustě ulic není zeleň a připomínají bezduchá parkoviště. Znáte jinou stranu, která se nebojí říct, že v ulicích by mělo být méně aut? 💁 dary.zeleni.cz/praha3
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UNRWA @unrwa.org · 19/12/2025
War has destroyed classrooms and supplies in #Gaza. UNRWA teams are rebuilding learning spaces from what remains — recycling wooden pallets into school desks so children can continue studying. Even in the harshest conditions, learning goes on. #UNRWAworks
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The Tahrir Institute for Middle East Policy @timep.bsky.social · 17/12/2025
Fifteen years ago today, on December 17, 2010, Tunisian fruit vendor Mohamed Bouazizi stood in the middle of traffic, shouted “How do you expect me to make a living?” and set himself on fire, sparking popular protests in Tunisia and across the Middle East and North Africa (MENA).
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Vojtech Pecka @vojtechpecka.bsky.social · 16/12/2025
💡Doufám, že fyzikální zákony sledují vystoupení pana Macinky! 💪S ohříváním klimatu mají utrum! 🧐Které fyzikální zákony skončí? Jako první bude zrušen Planckův zákon z roku 1900, který určuje že Země vyzařuje energii na frekvencích, kde ji zachytávají skleníkové plyny. 1/🧵
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Matthew J Kuiper @matthewjkuiper.bsky.social · 16/12/2025
In the acad study of religion one of the “duh, obviously” things for us in the field is the diff b/t teaching religions & teaching *about* them. To Explain/contextualize is not to endorse/promote. Teaching about, not promoting, ISTM, is the posture universities should have regarding genAI. This… 1/
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