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  • Why the near-record high market has taken Trump’s renewed tariff blitz in stride

    Why the near-record high market has taken Trump’s renewed tariff blitz in stride

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  • West Indies-Australia live: Third day-night Test in Jamaica

    West Indies-Australia live: Third day-night Test in Jamaica

    Live: West Indies vs Australia day-night Test in Kingston

    21st over – Justin Greaves to Khawaja

    There are just 20 minutes to lunch. Khawaja and Green have to knuckle down and get to the break, but this ball is still talking.

    FOUR! Khawaja hooks away and it’s just out of reach of a diving Mikyle Louis at square leg. Would’ve been an all-timer if he’d taken it.

    20th over – Seales to Green

    Great fielding by Shamar Joseph running and dive at wide mid-off to keep Cameron Green on strike.

    There’s a shout for LBW against Green, and Roston Chase really seems to be considering a review, but Shamar Joseph wisely talks him out of it. It was going miles down leg.

    Huge in-swing and seam beats Green’s inside edge, hitting him on the back thigh.

    19th over – Greaves again

    There’s angle and seam in to Khawaja, who’s caught on the thigh pad.

    Seamer Alzarri Joseph is walking off the field alongside one of the trainers. One to watch.

    Two more for Khawaja as Greaves pitches full and wide and it’s driven through cover.

    This outfield is looking very slow as Khawaja nails a cover drive and it looks destined for the boundary but holds up in the deep. Just two.

    18th over – Seales continues

    And Khawaja clips a single off his pads to start.

    Four! Gorgeous timing by Cameron Green just clipping a ball that was going down leg and sending it through the air over square leg.

    17th over – Green to face Greaves

    The wicket-taker continues with big Cameron Green at the crease, coming off that impressive second-innings 52 at St George’s.

    Two fantastic deliveries beat the outside edge to end the over.

    A wicket-maiden to start from Justin Greaves.

    IMMEDIATE BREAKTHROUGH! Greaves gets Konstas first ball

    Justin Greaves angles in at Sam Konstas’s pad and collects him above the knee roll.

    The umpire raises the finger and Konstas consults with Khawaja before reviewing, but DRS shows three reds and he has to go for 17.

    (AP)

    I assume he was suggesting it may have gone over or slid down leg, but Konstas was on the crease and standing right in front of all three stumps.

    Australia is down to two reviews.

    17th over – Justin Greaves gets his first go

    Sam Konstas is in his sights.

    16th over – Seales resumes

    Another one past the outside edge. It’s been a frustrating morning for all the West Indian bowlers, but Seales in particular.

    Khawaja isn’t playing at much outside off.

    He goes for the big pull shot, which is so often a release for him, but the ball isn’t quite short enough and Khawaja cops it on the thigh pad.

    15th over – Alzarri Joseph around the wicket to Usman Khawaja

    This right-armed bowling attack loves their chances of getting the left-handed Khawaja from around the wicket.

    One clip through leg is stopped by Jomel Warrican, but Khawaja gets the next in front of square leg and takes the single to move to 6 from 41.

    A gorgeous seed from Alzarri Joseph, angled in and swinging away. Drawing Konstas into the shot and beating the outside edge. Credit to Konstas for playing with a straight and still bat so as not to nick it.

    FOUR! A lovely back-foot drive through point from Konstas. Confident shot from a man who chopped on last Test.

    14th over – Jayden Seales returns to the attack

    And his first ball is down the leg side. Konstas admonishes himself for not clipping it away.

    Edged away with soft hands through the slips but Brandon King does well on the rope to flick it back to Justin Greaves and keep Konstas to just two runs.

    They’re the only runs from the over. Konstas isn’t in a rush, but looks more comfortable than he did in the first Test for sure.

    England and India dead even

    It doesn’t get much more even than the third Test between England and India at Lord’s.

    Both teams scored exactly 387 in their first innings.

    Both digs featured one century-maker who then immediately got out, supported by two 50s and a duck.

    All eyes have rightly been on Shubman Gill, Jamie Smith, Rishabh Pant etc, but KL Rahul with this first-innings ton has 336 runs for the series at 67.20.

    It’s been one for the batters, with nine players tonning up and eight players averaging over 50.

    13th over: Alzarri gets another

    Good running from the Australian pair, who get three after Konstas works one into the on-side.

    Big shout! Khawaja is struck on the pads in such a quintessentially Khawaja way. His footwork is nowhere as he’s trying to flick Alzarri through the on-side. The West Indies are up in a big way, but it’s probably sliding down. No review.

    Khawaja squeezes one out leg-side and the batters run a couple.

    Wayward and down the leg-side from Alzarri. Khawaja watches it through to Hope.

    It’s a dot to end a five run over for Australia.

    Not quite free flowing, expansive stuff from the opening pair but they’ve done extremely well to survive the first hour in Jamaica.

    We’ll have a drink.

    12th over: Shamar to continue

    Runs! Khawaja squirts one out forward of square and the batters run a single.

    Another single! Poor from Shamar, too straight and Konstas is able to work his own leg-side run this time.

    Peach! Khawaja’s footwork is nowhere as he dangles his bat at one that pitches and moves away and is collected by Shai Hope.

    First sign of aggression from Khawaja, who’s trying to pull Shamar but isn’t timing it.

    11th over: Alzarri to begin his second

    That’s a very optimistic shout from A. Joseph. Konstas is hit on the pads by one angling down leg and going over the top. No review.

    That is a peach! Konstas is cut in half by one that pitches and moves away from him.

    More assured this time from Konstas, who’s back and defending a similar ball.

    It’s seriously stodgy stuff out there – 13 runs from nearly 11 overs.

    Konstas prepares for the final ball of Alzarri’s second over.

    He’s defending and that’s yet another maiden.

    Actually, it’s not. That last ball is called a no-ball.

    The final, final ball is wide down the leg side and through to Hope.

    10th over: Shamar switches ends

    After a pretty disappointing start, Shamar Joseph is trying his luck from the other end.

    And it’s a better look on him. Coming around the wicket, Khawaja is playing and missing at a couple on a fourth stump line.

    Ouch! Khawaja cops a short one on the shoulder after shaping to come down the wicket to Shamar.

    (AP)

    Khawaja is defending to end undoubtedly Shamar’s best over of the day so far.

    9th over: A. Joseph into the attack

    Shot! First boundary of the match and it’s a good one from Sam Konstas. Alzarri’s first ball is loose and short and Konstas stands tall, swivels and pulls him in-front of square.

    The Australians will be delighted that they’ve managed to see off the first of the two Josephs.

    Not exactly thrill a minute stuff from the two batters – but they’re both still out there.

    Konstas tries his luck selling Khawaja another tight single, but the 38-year-old is having none of it.

    And Konstas is back and defending to end the over.

    8th over: Seales to Konstas again

    Edge! This one comes back into Konstas, who is back and defending unconvincingly. The ball kisses his outside edge, but it falls well short of the cordon.

    That’s better from Konstas – his first shot of authority in some time. He doesn’t get a run, but is looking good as he drives one off the back foot into the off-side infield.

    He swings at another wide one, making contact but not good contact. It dies in the square and that’s another dot.

    Too straight from Seales and Konstas is able to work one off the hip for a single to end the over.

    7th over: Seales continues to Konstas

    He’s once again looking a bit nervous out there, is Samm K.

    Seales has him defending to begin the over.

    Konstas is 1 from 18 and Khwaja 2 from 22 – not quite a swashbuckling start from the Australian openers.

    Konstas is trying to push one back past Seales but it can’t get past mid-on.

    Brutal! This one moves a mile off the seam, back in towards Konstas. He wears one on the torso.

    Konstas misses out on a wayward one down the leg-side.

    Run! Not overly convincing, but Konstas finally has his second run, courtesy of a squeezed single in front of point.

    6th over: Shamar gets another

    Well, Seales found some serious rhythm in that previous over – can Shamar do the same from the other end?

    Not to begin.

    Khawaja, once again, is more than happy to leave a couple wide ones.

    Khawaja is playing! For the first time in a couple overs, Usman is forced to use his bat. He’s defending a good one from Joseph.

    And again.

    Play in a miss! Pitching on a fourth stump line and moving away, Khawaja is defending but getting none of it.

    Much better from Joseph in the second half of that over.

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  • Better Go Mad in the Wild, Bidad, Sand City

    Better Go Mad in the Wild, Bidad, Sand City

    Miro Remo’s Better Go Mad in the Wild won the Grand Prix – Crystal Globe, the top award, at the closing ceremony of the 59th edition of the Karlovy Vary International Film Festival (KVIFF) on Saturday, where Stellan Skarsgård was also honored with the KVIFF Crystal Globe Award for his “outstanding artistic contribution to world cinema.” The Special Jury Prize went to Iranian filmmaker Soheil Beiraghi‘s fourth feature, Bidad (Outcry), whose announcement the fest had held back to ensure the safety of its creators.

    This year’s jury, consisting of Nicolas Celis, Babak Jalali, Jessica Kiang, Jiří Mádl, and Tuva Novotny, lauded the “delightfully inventive documentary” Better Go Mad as “a funny valentine to the fading art of being true to yourself” and “a portrait of bickering twin brothers who may live a weird, off-grid life on their dilapidated farm, but who, in a world as mad as ours, actually might be the sanest people on Earth.”

    Concluded the jury: “In the lifestyle it portrays, but also in the filmmaking risks it takes and the raucously loving brotherhood it admires, Better Go Mad in the Wild feels like a gulp of fresh, woody air, or a quick dip in an outdoor pond, or a moment of contemplation as a cow chews on your beard. In short, it feels like being free.”

    Meanwhile, the jury called Bidad, about a Gen Z girl who sings in the streets despite rules that forbid that in Iran, “as courageous in its constantly unexpected narrative turns, as it careens through different genre terrains as energetically as it rolls through the different suburbs of Tehran. It concluded: “Morphing from social-injustice thriller into family melodrama into a triumph-over-adversity arc, it is most striking as a gonzo lovers-on-the-run romance, shot through with punk energy and spiky personality that ends on an ambivalent yet optimistic note — because where there’s this much life, there’s hope.”

    ‘Bidad’

    Courtesy of KVIFF

    This year’s best director award went to two films: Lithuanian cinematographer Vytautas Katkus’ feature directorial debut The Visitor, a meditation on solitutde, as well as Nathan Ambrosioni’s Out of Love, a reflection on family and co-existence.

    Lauding the “deeply impressive directorial statements,” the jury said that Katkus “truly exploits the creative freedom that a director perhaps only ever properly enjoys with their first film, displaying an uncompromised, idiosyncratic vision that is both dazzlingly precise in its detail and dreamily peculiar as whole.” It also noted that Ambrosioni “demonstrates a maturity, compassion and polish far beyond his years in the moving and beautifully crafted Out of Love in which a rich yet understated presentation that allows the terrific all-ages acting ensemble to deliver intensely felt, empathetic performances.”

    In the acting categories, Pia Tjelta was honored with the best actress award for her role in the political relationship drama Don’t Call Me Mama, Àlex Brendemühl won the best actor honor for his role in the rape drama When a River Becomes the Sea, and Kateřina Falbrová received a special jury mention for her role in the sexual abuse drama Broken Voices.

    And the Právo Audience Award winner ended up being the fest opening film, We’ve Got to Frame It! (A Conversation With Jiří Bartoška in July 2021), featuring insights and laughs courtesy of the long-term fest president who died recently.

    The fourth edition of Karlovy Vary’s Proxima competition, which focuses on bold works by young filmmakers and renowned auteurs alike, revealed Bangladeshi director Mahde Hasan’s Sand City, a movie about harsh life in a metropolis, as its winner, decided by the jury of Yulia Evina Bhara, Noaz Deshe, Nelson Carlos De Los Santos Arias, and Marissa Frobes. “A realm unknown, where architecture breathes and silence screams,” it wrote. “Time drips sideways in this fractured hourglass, and color spills like memory. In Sand City, cinema becomes a trembling map of the strange, abandoned, and intimate at the edge of sense.”

    ‘Sand City’

    Courtesy of KVIFF

    Meanwhile, the Proxima Special Jury Prize was bestowed upon Federico Atehortúa Arteaga’s Forensics, an experimental essay on missing persons. “This award goes to a film that carries forward the tradition of swimming against the current of globalized violence — with truth, with ethics, and above all, with poetry,” the jury said.

    And Manoël Dupont’s Before/After, which explores baldness and queer identity, received a special mention in the Proxima lineup.

    The non-statutory awards at KVIFF, namely the Europa Cinemas Label honor for the best European film at KVIFF 2025, the Fipresci Award, as well as the Grand Prize of the Ecumenical Jury, put a spotlight on three different movies.

    Rebuilding, directed by Max Walker-Silverman and starring Josh O’Connor, won the Ecumenical Jury’s Grand Prize, while the jury gave a commendation to Cinema Jazireh, directed by Gözde Kural. The Europa Cinemas Label honor went to Broken Voices, and the Fipresci honor was awarded to Before/After.

    The 2025 edition of the Karlovy Vary fest, which has a reputation as Central Europe’s largest cinema party, had opened with the presentation of KVIFF President’s Awards to Peter Sarsgaard and Vicky Krieps, a film about late long-time KVIFF president Jiří Bartoška, and a concert by U.K. act La Roux.

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  • Triple Threat of Australians In Top Five at The Amundi Evian Championship – LPGA

    Triple Threat of Australians In Top Five at The Amundi Evian Championship – LPGA

    1. Triple Threat of Australians In Top Five at The Amundi Evian Championship  LPGA
    2. Evian Championship: England’s Cara Gainer has share of the lead  BBC
    3. ‘Kept it simple’: Aussie golf ace fires up in France  Kyabram Free Press
    4. Pair of former tennis prodigies lead Minjee Lee, Jeeno Thitikul at Amundi Evian  NBC Sports
    5. Ruffels Races to Top of Leaderboard at Amundi Evian Champ Following Visit to Wimbledon  Epson Tour

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  • The Best Copilot+ Laptops of 2025 – PCMag

    1. The Best Copilot+ Laptops of 2025  PCMag
    2. Best Buy, Microsoft team up to showcase ways to ‘AI That’  Best Buy
    3. Should you buy a Copilot+ PC? What you need to know about AI computers  PCWorld
    4. Best Buy Launches “AI That” Campaign To Showcase Everyday Power Of Copilot+ PCs  Nasdaq
    5. Sorry Apple and Google, Copilot Vision Proves Microsoft’s AI Game Is on a Whole Other Level  PCMag

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  • Every iPhone model getting iOS 26 (and which ones don’t support it)

    Every iPhone model getting iOS 26 (and which ones don’t support it)

    Apple will launch iOS 26 in three phases: the developer beta, public beta, and finally, the official “general” release.

    Developer beta

    The first developer beta of iOS 26 was released on June 9 during WWDC 2025. Following this, subsequent developer betas, including beta 3, were released.

    Public beta

    The public beta is expected to start in mid-July.

    Apple typically opens its public beta program a few weeks after WWDC. For instance, last year’s iOS 18 public beta went live in mid-July. This program lets anyone — not just registered developers — test early software, helping Apple identify and fix bugs or performance issues before the final release.

    General release

    Apple officially released iOS 18 out of beta on Sept. 16, just one week after its “Glowtime” event. 

    Likewise, once iOS 26 completes its developer and public beta testing this summer, Apple is expected to roll out the final version to everyone this fall.


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  • Mapping how major organs communicate during physiological stress in humans

    Mapping how major organs communicate during physiological stress in humans

    How major organs work together to manage extreme physiological stresses such as lack of oxygen and sleep has been mapped for the first time by researchers from UCL and the University of Portsmouth.

    The study, published in the Journal of Physiology, aimed to find out what happens inside the body when people are tired, out of breath, or oxygen-deprived, by mapping how different parts of the body communicate during stress, potentially paving the way for earlier illness diagnosis.

    When a person faces physiological stress, different parts of the body work together to adapt and keep us functioning. Instead of checking whether the heart rate or breathing rate went up or down, which is what doctors typically do in clinical settings, this experiment was conducted on healthy volunteers using a new approach, called network physiology, that studies how different organs and body systems communicate with each other simultaneously.

    By analyzing continuous signals from the body, such as heart rate, respiratory rate, blood oxygen saturation, and the concentration of exhaled oxygen and carbon dioxide, the team tracked the transfer of information between these systems under conditions of low oxygen (hypoxia), sleep deprivation, and moderate intensity physical exercise in the form of cycling.

    The team attached wearable sensors to monitor key physiological signals to 22 healthy volunteers during different stress scenarios at the University of Portsmouth’s Extreme Environments Labs. A face mask measured breathing gases, while a pulse oximeter tracked blood oxygen levels.

    The unique method of monitoring these body signals is called ‘transfer entropy’. The result was a complex network of maps that show which body parts act as ‘information hubs’ under different stress conditions.

    The study is a continuation of earlier research that showed just 20 minutes of moderate exercise can improve brain performance after a bad night’s sleep.

    Dr. Joe Costello, an author of the study from the University of Portsmouth’s School of Psychology, Sport and Health Sciences, said: “This time, we wanted to understand how physiological stressors affect the body together, not just on their own.

    “This approach lets us see how the body’s internal systems communicate with each other when they’re pushed to respond and adapt. And that kind of insight could be a game-changer for spotting when something starts to go wrong.

    “What makes our approach so unique is that it doesn’t pigeonhole our data into one system or variable, it looks at how everything is connected in real time. Rather than just measuring a heart rate or a breathing rate on its own, it helps us understand the dynamic relationships between them. It’s a whole-body approach to human physiology, and that’s crucial if we want to see the bigger picture.”

    The team discovered that different stresses cause different parts of the body to take the lead in managing the situation:

    • During exercise, your heart becomes the main responder. It receives the most input from other systems because it’s working hard to pump blood to your muscles.
    • During low oxygen, it’s your blood oxygen levels that become the central player, working closely with breathing to adjust to the lack of air.

    When sleep deprivation is added, the changes are more subtle. But if low oxygen is also involved, your breathing rate suddenly steps up and takes the lead.

    These information maps show early, hidden signs of stress that wouldn’t be obvious just by looking at heart rate or oxygen levels alone. That means this could one day help spot health problems before symptoms appear.

    These maps show that our body isn’t just reacting to one thing at a time. It’s responding in an integrated, intelligent way. And by mapping this, we’re learning what normal patterns look like, so we can start spotting when things go wrong.


    This matters in healthcare because early signs of deterioration, especially in intensive care units or during the onset of complex conditions like sepsis or COVID-19, often show up not in the average numbers, but in the way those numbers relate to each other.”


    Dr. Alireza Mani, study author from UCL Division of Medicine

    With further investigation, the researchers hope the method could one day help doctors identify early warning signs of illness or poor recovery, especially in settings like intensive care, where vital signs are already being monitored. It could also be useful for athletes, military personnel, and people working in extreme environments.

    Source:

    University College London

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  • Huawei’s Pura 80 Ultra Has A Pioneering Zoom System

    Huawei’s Pura 80 Ultra Has A Pioneering Zoom System

    Huawei’s P series of smartphones are known among phone enthusiasts for setting several smartphone camera trends, including pixel-binning (debuted in the P20 series); night mode (also P20 series); and Periscope zoom lens (P30 Pro).

    Well, the Chinese tech giant’s latest, Pura 80 Ultra, has another breakthrough, one that I think other Chinese brands will follow suit in coming years: a dual-lens Periscope camera.

    This is a single Periscope camera module and single image sensor, but with two physical lenses, and a shifting prism inside the module moves back and forth between the two lenses as needed to reproduce two optical zoom length.

    The two optical lengths consist of a roughly 80mm, 3.7X zoom that is ideal for portraits and quick closeups, and a 220mm, or about 10X magnification zoom that is ideal for capturing subjects from far away.

    A real 10X zoom doesn’t just produce sharper details, but it also exhibits true background compression — meaning the background appears closer to the subject — which is a trait of telephoto lenses. As a test, I took two shots of my friend, at 3.7X and 10X, while keeping the framing relatively the same, we can see the 10X shot has stronger background compression.

    In the below collage, I snapped both shots while standing in the exact same spot, with the ultrawide lens, and then the 10X zoom.

    The Periscope camera’s sensor size is also the largest in the industry, at 1/1.3-inches. Huawei has not disclosed the brand of the sensor, but reports from China indicate it is a China-made sensor, not a Samsung or Sony sensor (which most smartphones use).

    Such a large sensor, along with an equally capable 1-inch main camera, results in a gigantic camera bump, and Huawei does not shy away from the bump, making it an integral part of the phone’s design. I must say, the design has grown on me a bit. I found it quite unsightly at first, but now, it has its charms.

    The phone also has a beautiful 6.8-inch OLED screen and a solid chip self-developed by Huawei. Software zips along fluidly with no lag. But ultimately, this phone is all about the camera system. In the video below I have done a more in-depth testing with more photo and video samples.

    I need to do more testing, but right now, I’d say the Huawei Pura 80 Ultra is easily one of the top two smartphone cameras in the industry right now along with the Vivo X200 Ultra. Whether the Pura Ultra is number one or number two requires more testing which I will do next week. The Pura 80 Ultra is on sale now in China and will soon go on sale throughout Southeast Asia and Europe.

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  • Iran says cooperation with UN nuclear watchdog will take ‘new form’

    Iran says cooperation with UN nuclear watchdog will take ‘new form’

    (AFP) – Iran on Saturday said its cooperation with the International Atomic Energy Agency “will take on a new form”, expressing a desire for a diplomatic solution to resolve concerns over its nuclear programme.

    Iran’s 12-day war with Israel last month, sparked by an Israeli bombing campaign that hit military and nuclear sites as well as residential areas, rattled its already shaky relationship with the UN nuclear watchdog.

    The attacks began days before a planned meeting between Tehran and Washington aimed at reviving nuclear negotiations, which have since stalled.

    Foreign Minister Abbas Araghchi said on Saturday that Iran’s cooperation with the IAEA “has not stopped, but will take on a new form”, after the Islamic republic formally ended cooperation with the UN watchdog in early July.

    Iran has blamed the IAEA in part for the June attacks on its nuclear facilities, which Israel says it launched to prevent Iran from developing a nuclear weapon — an ambition Tehran has repeatedly denied.

    The United States, which had been in talks with Iran since April 12, joined Israel in carrying out its own strikes on June 22, targeting Iranian nuclear facilities at Fordo, Isfahan and Natanz.

    Araghchi said requests to monitor nuclear sites “will be reviewed on a case-by-case basis… taking into account safety and security issues”, and be managed by Iran’s Supreme National Security Council.

    ‘Assurances’

    In early July, a team of IAEA inspectors left Iran to return to the organisation’s headquarters in Vienna after Tehran suspended cooperation.

    The talks were aimed at regulating Iran’s nuclear activites in exchange for the lifting of economic sanctions.

    Before agreeing to any new meeting, “we are examining its timing, its location, its form, its ingredients, the assurances it requires”, said Araghchi, who also serves as Iran’s lead negotiator.

    He said that any talks would focus only on Iran’s nuclear activities, not its military capabilities.

    “If negotiations are held… the subject of the negotiations will be only nuclear and creating confidence in Iran’s nuclear programme in return for the lifting of sanctions,” he told diplomats in Tehran.

    “No other issues will be subject to negotiation.”

    Araghchi also warned that reimposing UN sanctions could eliminate Europe’s role in the process.

    Enrichment

    “Such measures would signify the end of Europe’s role in the Iranian nuclear dossier,” Araghchi said.

    A clause in the 2015 nuclear agreement, which US President Donald Trump withdrew from during his first term, allows for UN sanctions to be reimposed if Iran is found to be in breach of the deal.

    Araghchi stressed that any new nuclear deal must uphold Iran’s right under the Non-Proliferation Treaty to enrich uranium for peaceful purposes.

    “I would like to emphasise that in any negotiated solution, the rights of the Iranian people on the nuclear issue, including the right to enrichment, must be respected,” he said.

    “We will not have any agreement in which enrichment is not included.”

    Russian Foreign Minister Sergei Lavrov said at the BRICS summit in Rio on Monday that Moscow would remain a committed ally of Iran and support its nuclear programme.

    “Russia has technological solutions for uranium depletion and is ready to work with Iran in this field,” Lavrov said, as reported by Russian state news outlet TASS.

     


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  • CERN scientists detect two elusive God particle decays

    CERN scientists detect two elusive God particle decays

    Imagine a particle so elusive, so rare, that it’s difficult even to catch a glimpse of it. That’s the challenge researchers face when they try to study the Higgs boson, a fundamental particle—also called the God particle—responsible for giving mass to other particles. 

    However, recent breakthroughs by the ATLAS collaboration at CERN have begun to unlock some of its most mysterious behaviors, including two incredibly rare decays. 

    These decays, where the Higgs boson transforms into a pair of muons (H→μμ) or a Z boson and a photon (H→Zγ), are so scarce that they only occur in one out of every few thousand Higgs decays. 

    The research could pave the way for discovering unknown particles and help us uncover the various mysteries associated with the God particle.  

    Catching the rare decays with high confidence

    Higgs Boson decaying into muons (left) and Z boson and photons (right). Source: ATLAS/CERN

    Uncovering these rare decays wasn’t easy. The ATLAS collaboration, a group of scientists working at CERN’s Large Hadron Collider (LHC), spent years gathering data from their experiments. The first challenge they faced was the rarity of these events. 

    The Higgs boson’s decay into muons happens in only about one in every 5000 Higgs decays. So, the team had to search for a tiny signal amidst a vast amount of background noise caused by other particle interactions.

    To make the search more efficient, scientists combined data from LHC Runs 2 and 3, which gave them a more complete picture. With this enhanced data, ATLAS researchers used advanced techniques to filter out the background noise and focus on the events that showed signs of the rare Higgs decays. 

    In the case of H→μμ, they looked for a small bump in the mass of the muon pair, right at 125 GeV, the known mass of the Higgs. Meanwhile, the H→Zγ decay presented an even tougher challenge. 

    The Z boson that is produced in this decay only decays into electron or muon pairs about six percent of the time, and photons are notoriously difficult to distinguish from jets of particles created in other processes. 

    Here, ATLAS developed new analysis methods to improve the sensitivity of their search. By categorizing events based on how the Higgs was produced and refining their selection criteria, the team was able to see a clearer signal.

    Their hard work paid off: For the H→μμ decay, they achieved a 3.4 standard deviation significance, which means the result is highly unlikely (one in 3000) to be a statistical fluke. 

    This was a significant improvement over earlier results, which had only shown a hint of the decay at the two-standard-deviation level. For the H→Zγ decay, the team found an excess signal with 2.5 standard deviations, which was also an important step forward compared to previous results.

    Another door to go beyond the Standard Model

    These breakthroughs could have wide-scale implications. By uncovering the rare decays, the ATLAS collaboration is opening the door to exploring physics beyond the Standard Model. Unknown particles contributing to the H→Zγ decay could be an indication of physics that is still unexplored.

    However, there are still challenges. While these results are groundbreaking, they are not yet definitive. Looking ahead, ATLAS researchers plan to dig deeper into rare Higgs decays with even more data from future runs of the LHC. 

    The team hopes that future data will not only confirm these findings but also reveal more details about how the Higgs interacts with other particles, especially those that haven’t been studied as much, like the second-generation fermions.

    You can read about the two decays in more detail here and here.

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