 | Nobel Prize under fire: is dark energy real?
🌎 Get an exclusive 15% discount on Saily data plans! Use code Sabine at checkout. Download Saily app or go to
https://saily.com/sabine ⛵
In 2011, three physicists won the Nobel Prize for showing that the expansion of the universe speeds up, which is usually attributed to aa mysterious type of energy called “dark energy”. But last year, though, a different group published research showing that universal expansion isn’t actually getting faster. Since then, the two groups have engaged in a whole bunch of back-and-forth refuting each other’s claims and now a third one has chimed in. Let’s take a look.
The Nobel Prize winning papers:
https://iopscience.iop.org/article/10.1086/307221
https://iopscience.iop.org/article/10.1086/300499
The original paper criticising the Nobel Prize winners:
https://academic.oup.com/mnras/article/544/1/975/8281988?login=false
The rebuttal:
https://academic.oup.com/mnras/article/549/3/stag797/8703725?login=false
The rebuttal of the rebuttal:
https://arxiv.org/abs/2605.21586
And the related paper that supports the Nobel Prize criticism:
https://academic.oup.com/mnras/article/549/3/stag844/8701424?login=false
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #physics #space Source: © Sabine Hossenfelder, hosted on © YouTube |
 | Nuclear Fusion is in Trouble
Go to
https://melscience.com/sBgX/ and use code SABINEYEAR to get a year of science for $22.45 per month until July 4th.
Nuclear fusion is the energy source of the future, but things aren’t looking good for fusion startups at the moment. Over the past twelve months, multiple major fusion companies have either pivoted their business plans entirely, or significantly pushed back their timelines for a fusion breakthrough. Let’s take a look.
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #nuclearfusion #energy Source: © Sabine Hossenfelder, hosted on © YouTube |
 | Maths is Cooked: AI's Latest Breakthrough -- And What's Next
Take back your personal data with Incogni! Use code Sabine at the link below and get 60% off annual plans:
https://incogni.com/sabine
As AI continues to improve its reasoning abilities, mathematicians are increasingly worried about the computer algorithms replacing them. In late May, those fears got even worse when OpenAI revealed that one of its general-purpose reasoning models had written a proof solving a math problem that’s sat unsolved for more than 80 years. But should they actually be worried? Let’s take a look.
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #math #ai Source: © Sabine Hossenfelder, hosted on © YouTube |
 | Did Physics Just Lose a Brilliant Idea?
🌏 Upgrade your online protection with an all-in-one security app! Get an exclusive NordVPN deal + 4 months extra here ➼
https://nordvpn.com/sabine It’s risk free with NordVPN’s 30-day money-back guarantee!
One of the most popular ideas in physics right now is something named “ER = EPR.” This theory has it that entangled particles are actually linked by tiny, tiny wormholes. Recently, a group of physicists tested the idea – let’s take a look at their findings.
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #physics Source: © Sabine Hossenfelder, hosted on © YouTube |
 | It's Beginning: AI Improves Itself
Try out Consensus!!
https://get.consensus.app/n6durqk1ao40
Artificial Intelligence is beginning to improve itself. In today's video I have a summary of recent events. Are we ready for the intelligence explosion? I think not.
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #AI #technology Source: © Sabine Hossenfelder, hosted on © YouTube |
 | Physicists Rethink Dark Matter. But…
Check out courses in science, computer science, and mathematics on Brilliant! Start learning for free at
https://brilliant.org/sabine/ and get a 30-day free trial plus 20% off a premium subscription, which includes daily unlimited access!
Physicists believe that 80% of the matter in the universe is made of ‘dark matter’ that we can’t see. But despite decades of work, they haven’t been able to confirm that this matter really exists. In the past years, physicists have been rethinking the dark matter idea… but not in the way you might expect. Let’s take a look.
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #physics #darkmatter Source: © Sabine Hossenfelder, hosted on © YouTube |
 | Microsoft Announces Breakthrough With Quantum Chip
Take back your personal data with Incogni! Use code Sabine at the link below and get 60% off annual plans:
https://incogni.com/sabine
Last year, Microsoft announced its Majorana quantum computing chip, which supposedly used topological qubits to make calculations. The problem was that the paper published alongside the announcement didn’t show any evidence for those claims. Now they’ve announced a new quantum chip. Is it any better this time?. Let’s take a look.
Paper:
https://arxiv.org/abs/2606.03884
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #microsoft #quantumcomputing Source: © Sabine Hossenfelder, hosted on © YouTube |
 | America is coming for Europe's most important machine
Go to
https://ground.news/sabine to get 40% off the Vantage plan and see through sensationalized reporting. Stay fully informed on events around the world with Ground News.
The Dutch company ASML is the only company that produces a special type of machine used to produce microchips, which are a key component of many modern technologies. Now, companies across the globe are looking to break ASML’s monopoly using a wide variety of new processes. Let’s take a look at this microchip manufacturing melee.
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #tech #microchips
America's coming for one of Europe's most important technologies: the machines that make the most advanced computer microchips. This video discusses Extreme Ultraviolet Lithography, a technology crucial for advanced chip manufacturing. We'll explore how this asml machine generates light sources using accelerating electrons and magnetic fields, vital for the semiconductor industry. The process of photolithography and nanoimprint lithography is illustrated, highlighting their roles in creating circuit patterns on silicon wafers for semiconductor manufacturing. Source: © Sabine Hossenfelder, hosted on © YouTube |
 | This Giant Ring In Space Poses A Massive Problem For Cosmology
🌏 Get Exclusive NordVPN 2Y deal + 4 months extra here →
https://nordvpn.com/sabine It’s risk-free with Nord’s 30-day money-back guarantee! ✌️
Scientists say that they’ve just detected a massive cloud of gas some 3 billion lightyears in diameter, floating in space roughly 7 billion light years away from us. This is pretty cool, but the problem is that our current models of the universe say that it (and other massive structures like it) just shouldn’t exist. Let’s take a look.
Paper:
https://arxiv.org/abs/2604.17534
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #space #physics Source: © Sabine Hossenfelder, hosted on © YouTube |
 | How Dangerous Is This Super El Niño Really?
Download the Matiks app now using my link:
https://lr.matiks.org/?c=NxxEDo
According to predictions from weather organizations across the planet, a super El Niño weather event is likely to begin over the next few weeks. It’s predicted to drive up temperatures across the globe, bringing increased chances of heatwaves, drought, wildfires, and even famines – plus, this year’s El Niño is likely to be stronger than usual, making those effects worse. Let’s take a look.
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #superelnino #climatechange
This video examines the potential for a very hot summer in 2026, driven by a "super el nino" event. We'll discuss the forecasts suggesting widespread famine and increased wildfires, along with the broader implications of "climate change." Understanding these "extreme weather" patterns and the resulting "heat waves" is crucial, especially when considering the potential for "crop failure" and "food prices rising." Source: © Sabine Hossenfelder, hosted on © YouTube |
 | Physicists Say It’s Possible To Send Messages To The Past
Take back your personal data with Incogni! Use code Sabine at the link below and get 60% off annual plans:
https://incogni.com/sabine
When you try to combine quantum physics with Einstein’s theories, you quickly run into some pretty serious problems. The biggest is that causality – the order in which events occur – becomes uncertain as the rest of quantum physics. A group of physicists have leveraged that uncertainty, and are now claiming that they can send messages to the past using quantum mechanics. It’s not as crazy as it sounds. Let’s take a look.
Paper:
https://journals.aps.org/prl/accepted/10.1103/znyd-npk5
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #physics #quantum
In this video, we examine recent headlines suggesting that sending messages into the past has become easier or even possible, drawing from a theoretical physics paper published in a top journal. While these claims might sound like a time machine is within reach, I clarify that this is a theoretical study and not an actual method for backward time travel. It's crucial for science communication to distinguish between theoretical possibilities in quantum physics and practical applications. Source: © Sabine Hossenfelder, hosted on © YouTube |
 | I Looked at the New Cold Fusion Breakthroughs. It's Complicated.
Go to
https://melscience.com/sBgX/ and use code SABINEYEAR to get a year of science for $22.45 per month until June 6!
Investors across the globe are putting record amounts of money into cold fusion technology, which promises to bring us nuclear fusion without the need to create miniature stars on Earth. But are these companies actually delivering, or is this just another speculative tech bubble? Let’s take a look.
Paper:
https://www.nature.com/articles/s41586-025-09042-7
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #fusion #nuclear Source: © Sabine Hossenfelder, hosted on © YouTube |
 | This is driving me nuts
Go to
https://ground.news/sabine to get 40% off the Vantage plan and see through sensationalized reporting. Stay fully informed on events around the world with Ground News.
In today's rant I complain that I now sound like every other YouTuber.
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW Source: © Sabine Hossenfelder, hosted on © YouTube |
 | Biologists Say They Cracked One of Life’s Biggest Mysteries
🌏 Get Exclusive NordVPN 2Y deal + 4 months extra here →
https://nordvpn.com/sabine It’s risk-free with Nord’s 30-day money-back guarantee! ✌️
Life on Earth has a peculiar property – many biological molecules have a handedness, or a “chirality.” DNA twists one way and not the other, and all the rest of life must fit to this reality. In a new paper, researchers say they know why: It all comes down to physics! The answer could change our understanding of life across the universe. Let’s take a look.
Paper:
https://www.science.org/doi/10.1126/sciadv.aec9325
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
📝 Transcripts and written news on Substack ➜
https://sciencewtg.substack.com/
📩 Free weekly science newsletter ➜
https://sabinehossenfelder.com/newsletter/
👂 Audio only podcast ➜
https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜
https://amzn.to/3HSAWJW
#science #sciencenews #biology #life Source: © Sabine Hossenfelder, hosted on © YouTube |
 | Perpetual Motion Machine Raises $12M from Investors
The company Casimir Inc promises "unlimited power" from the vacuum by using the Casimir effect. Here is why you shouldn't believe what they say.
👉 Transcript with links to references on Patreon ➜
https://www.patreon.com/Sabine
👕T-shirts, mugs, posters and more: ➜
https://sabines-store.dashery.com/
💌 Support me on Donorbox ➜
https://donorbox.org/swtg
🔗 Join this channel ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
#science #sciencenews Source: © Sabine Hossenfelder, hosted on © YouTube |