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Croatian freediver held breath for 29 minutes

news.ycombinator.com Steve Weinman 2025-12-17 23:04:11

How Croatian freediver held breath for 29 minutes The world record for longest underwater breath-hold using oxygen is often viewed as much as a conjuring trick as an athletic feat – and at one time the title was indeed held by US magician David Blaine. But now a remarkable new mark has been set by a Croatian already recognised for his more conventional competitive freediving achievements. Vitomir Maričić has set a new Guinness World Record (GWR) of 29min 3sec for “the longest breath held volun

Topics: breath held oxygen record set

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How to destroy harmful 'forever chemicals'

feeds.bbci.co.uk Unknown 2025-12-18 04:22:14

How to destroy harmful 'forever chemicals' 39 minutes ago Share Save Zoe Corbyn Technology Reporter Reporting from San Francisco Share Save 374Water 374Water can purge PFAS from water and sludge "There's a lot of destruction that needs to be done," sums up Parker Bovée of Cleantech Group, a research and consulting firm. He is referring to PFAS (Perfluoroalkyl and Polyfluoroalkyl Substances), also known as "forever chemicals". These man-made chemicals can be found in items such as waterproof c

Topics: pfas says technology waste water

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Intel is getting a $2 billion investment from SoftBank

cnbc.com Kif Leswing 2025-12-18 04:50:22

Masayoshi Son, chairman and chief executive officer of SoftBank Group Corp., speaks during the company's annual general meeting in Tokyo, Japan, on Friday, June 27, 2025. Intel and SoftBank announced on Monday that the Japanese conglomerate will make a $2 billion investment in the embattled chipmaker. SoftBank will pay $23 per share for Intel's common stock, which closed on Monday at $23.66. The shares rose about 6% in extended trading to $25. The investment makes SoftBank the fifth-biggest I

Topics: billion company intel investment softbank

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X-ray scans reveal Buddhist prayers inside tiny Tibetan scrolls

news.ycombinator.com Andrew Paul 2025-12-15 15:54:54

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Email address Sign up Thank you! Terms of Service and Privacy Policy. A delicate, antique Buddhist scroll crafted by Mongolian nomads has finally been unfurled after spending decades in museum storage. But the team at Germany’s Helmholtz-Zentrum Berlin (HZB) research institute didn’t risk any damage by physically unrolling it—they peered inside using a combination of 3D X-ray tomography and AI

Topics: museum scroll scrolls study tomography

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Another Crypto IPO Hits the Market and Most People Still Have No Idea What Crypto Is

gizmodo.com Riley Gutiérrez Mcdermid 2025-12-18 04:50:36

Blockchain-based lender Figure Technology Solutions has officially filed for an initial public offering, marking another move by crypto-related firms seeking a slice of the trillion-dollar machine of public markets. Both crypto bros and the banks that love them are already celebrating the move to go public, which they say marks a significant milestone in the evolving intersection of cryptocurrencies, blockchain technology, and mainstream finance. Analysts posit that this signals a broader shif

Topics: blockchain company crypto figure public

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The Download: pigeons’ role in developing AI, and Native artists’ tech interpretations

technologyreview.com Rhiannon Williams 2025-12-17 21:10:00

People looking for precursors to artificial intelligence often point to science fiction by authors like Isaac Asimov or thought experiments like the Turing test. But an equally important, if surprising and less appreciated, forerunner is American psychologist B.F. Skinner’s research with pigeons in the middle of the 20th century. Skinner believed that association—learning, through trial and error, to link an action with a punishment or reward—was the building block of every behavior, not just

Topics: artificial building intelligence like story

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Texas AG to investigate Meta and Character.AI over 'misleading' mental health claims

engadget.com Unknown 2025-12-18 09:13:43

Texas Attorney General Ken Paxton has announced plans to investigate both Meta AI Studio and Character.AI for offering AI chatbots that can claim to be health tools, and potentially misusing data collected from underage users. Paxton says that AI chatbots from either platform "can present themselves as professional therapeutic tools," to the point of lying about their qualifications. That behavior that can leave younger users vulnerable to misleading and inaccurate information. Because AI platf

Topics: ai character data meta privacy

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Structured (Synchronous) Concurrency

news.ycombinator.com Unknown 2025-12-18 09:02:15

Structured (Synchronous) Concurrency @_fsantanna I have recently learned about Structured Concurrency (SC), which supports nested coroutines with tied lifetimes. There are a number of libraries (Dill, Trio, Effection), and even language mechanisms in Swift and Kotlin. The similarities with Esterel and derived imperative synchronous languages (ISLs) is noteworthy. However, it seems that no bridges between these worlds (ISLs & SC) have been built. Research in ISLs dates back to the early 80s, a

Topics: concurrency preemption sc synchronous time

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Shamelessness as a strategy (2019)

news.ycombinator.com Nadia Asparouhova 2025-12-18 09:27:01

Shamelessness as a strategy I’ve enjoyed playing a game called Avalon recently. I won’t go too far into the rules, but it’s a hidden role game in the vein of Secret Hitler or Werewolf, where one team is “good”, trying to uncover who among them is “evil”, before the evil team wins. One of the characters you can play is Merlin. Merlin knows who the evil players are, but can’t reveal what he knows, because the evil team can kill Merlin and win the game. So Merlin relies on another character, Perc

Topics: merlin people percival shameless strategy

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The Skydance-Paramount Megamerger Could Lead to Legendary Jumping Ship

gizmodo.com Sabina Graves 2025-12-18 09:04:13

A new report from Deadline reveals that Paramount, under David Ellison, is working out a deal with Legendary. This comes on the heels of the Duffer Brothers’ Upside Down Productions moving from Netflix to Paramount over the weekend. The shakeups continue, as Legendary is now interested in starting a multi-picture global theatrical distribution deal through Skydance. The agreement, as Deadline reported, has been in the works since the spring and would exclude China but would give Paramount a bui

Topics: agreement bros deadline legendary paramount

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Nobody Likes Zuckerberg’s Glitchy AI App

gizmodo.com Riley Gutiérrez Mcdermid 2025-12-18 09:16:26

Clearly, throwing billions of dollars at a problem can’t solve everything. Nearly six months after its debut, Meta’s consumer-facing AI app still struggles with inconsistencies and persistent shortcomings, casting doubt on the company’s lofty ambitions for artificial intelligence. It has been a rough learning curve for Mark Zuckerberg’s efforts to join the AI race after lagging behind an already-crowded field and spending tens of billions of dollars on catching up. So far, the most Meta has to

Topics: ai app company meta users

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Today's NYT Strands Hints, Answers and Help for Aug. 19, #534

cnet.com See Full Bio 2025-12-18 08:58:00

Looking for the most recent Strands answer? Click here for our daily Strands hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections and Connections: Sports Edition puzzles. Today's NYT Strands puzzle is a tough one. There are only four answers, but they are all quite long and quite complicated -- and some of them just aren't used that much. If you need hints and answers, read on. I go into depth about the rules for Strands in this story. If yo

Topics: answers puzzle strands today words

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Today's NYT Connections Hints, Answers and Help for Aug. 19, #800

cnet.com See Full Bio 2025-12-18 09:00:00

Looking for the most recent Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections: Sports Edition and Strands puzzles. Today's NYT Connections puzzle has another very tricky purple category. Look at some of the words and see if the beginning of four of them all have something in common. And think speedy. Need help? Read on for clues and today's Connections answers. The Times now has a Con

Topics: answers connections group today words

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GEPA optimizes LLMs without costly reinforcement learning

venturebeat.com Ben Dickson 2025-12-18 12:41:22

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Researchers from the University of California, Berkeley, Stanford University and Databricks have introduced a new AI optimization method called GEPA that significantly outperforms traditional reinforcement learning (RL) techniques for adapting large language models (LLMs) to specialized tasks. GEPA removes the popular paradigm of learning

Topics: agrawal ai feedback gepa systems

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Samsung Galaxy Z Fold 7 plummets to new record-low price, saving you $300!

androidauthority.com Unknown 2025-12-18 14:46:57

Ryan Haines / Android Authority OK, now we are talking! We’ve seen some great Samsung Galaxy Z Fold 7 offers, including storage upgrades and free gift cards, but this is the first time we’ve seen an actual discount on the device, and it’s a pretty good one! You can take the Galaxy Z Fold 7 home at a $300 discount. Buy the Samsung Galaxy Z Fold 7 for just $1,699.99 ($300 off) This offer is available from Amazon as a “limited time deal.” The discount applies to all color versions available from

Topics: deal fold foldable galaxy samsung

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9to5Mac Daily: August 18, 2025 – Apple Watch rumors, more

9to5mac.com Seth Kurkowski 2025-12-18 14:57:52

Listen to a recap of the top stories of the day from 9to5Mac. 9to5Mac Daily is available on iTunes and Apple’s Podcasts app, Stitcher, TuneIn, Google Play, or through our dedicated RSS feed for Overcast and other podcast players. Sponsored by Backblaze: Never lose a file again. Use code “9to5daily” at checkout for 10% off or try for free. New episodes of 9to5Mac Daily are recorded every weekday. Subscribe to our podcast in Apple Podcast or your favorite podcast player to guarantee new episodes

Topics: 9to5mac apple daily podcast podcasts

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Britt Lower’s ‘Severance’ Audition Tape Proves Her Helly R. Was Meant to Be

gizmodo.com Cheryl Eddy 2025-12-18 14:00:52

Long before Severance became a TV obsession, when the Apple TV+ series was still being cast, an actor taped an audition scene for one of the show’s most complex and crucial roles. That clip has been released, and it’s incredible to see how the performer’s initial instincts for and interpretation of the character carried over almost note-perfectly into the show itself. Though viewers were first lured in by big names like Adam Scott, Christopher Walken, Patricia Arquette, and John Turturro, Sever

Topics: helly like lower scene severance

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New Study Fuels Debate Over World-Changing Comet Strike 12,800 Years Ago

gizmodo.com Ellyn Lapointe 2025-12-18 14:10:34

Roughly 12,800 years ago, as Earth was emerging from its last great ice age, temperatures in the Northern Hemisphere suddenly plummeted back to near-glacial conditions. The cause of this abrupt shift—known as the Younger Dryas cool period—remains a mystery to this day, but new evidence may give credence to its most controversial explanation. Researchers analyzed sediment cores extracted from the seafloor of Baffin Bay near Greenland, finding indicators of a cosmic impact event inside the layer

Topics: dryas earth hypothesis impact younger

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Despite Online MAGA Freakout About Her Jeans, Sydney Sweeney’s New Movie Bombs

gizmodo.com Lucas Ropek 2025-12-18 14:30:42

A couple of weeks ago, American Eagle launched a new ad campaign for its blue jeans line that featured actress Sydney Sweeney. In one of the ads, Sweeney weirdly broached the topic of genetics (she said, and I quote: “genes are passed down from parents to offspring, often determining traits like hair color, personality and even eye color. My jeans are blue”), but, for the most part, the ads seem to be about how great Sweeney’s posterior looks when she’s wearing the company’s denim. Not long aft

Topics: ad america jeans real sweeney

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‘Crazy conspiracist’ and ‘unhinged comedian’: Grok’s AI persona prompts exposed

techcrunch.com Rebecca Bellan 2025-12-18 08:01:06

The website for xAI’s Grok chatbot is exposing the system prompts for several of its AI personas, including a “crazy conspiracist” that seems designed to handhold a user into beliefs that “a secret global cabal” controls the world. TechCrunch has confirmed the system prompt exposure, first reported on by 404 Media. They include instructions for a range of AI personas, like Ani, its flagship romantic anime girlfriend who “is secretly a bit of a nerd, despite [her] edgy appearance.” The exposure

Topics: ai conspiracy crazy grok musk

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TeraWulf stock gains more than 4% as Google boosts stake in data center operator

cnbc.com Samantha Subin 2025-12-18 18:01:29

TeraWulf stock rallied more than 4% after Google hiked its stake in the bitcoin miner and data center operator as it funds an expansion of its Lake Mariner, New York, facility. Earlier in the session, shares had jumped over 10%. As part of the deal, Google will offer up to $1.4 billion in additional backstop, bringing its total to about $3.2 billion. It hikes Google's stake in TeraWulf to 14% from 8% and enables the tech giant to buy about 32.5 million shares of the company's stock. TeraWulf

Topics: company data google shares terawulf

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Palo Alto Networks reports earnings beat, says founder Nir Zuk retiring from company

cnbc.com Samantha Subin 2025-12-18 18:47:14

Nikesh Arora, CEO of Palo Alto Networks, looks on during the closing bell at the Nasdaq Market in New York City on March 25, 2025. Palo Alto Networks reported better-than-expected quarterly results and issued upbeat guidance for the current period. The cybersecurity software vendor said Nir Zuk, who founded the company in 2005, is retiring from his role as chief technology officer. The stock rose about 6% in extended trading. Here's how the company did compared to LSEG estimates: Earnings: 9

Topics: alto billion cents company palo

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What Seemed Like a Pregnancy Was Actually Something Far More Dangerous

gizmodo.com Ed Cara 2025-12-18 18:10:04

A woman’s supposed pregnancy turned out to be something much stranger. In a recent report from her doctors, they detail how the woman had developed an incredibly rare form of ovarian cancer that mimicked the symptoms of pregnancy, even causing a positive pregnancy test. Doctors in India described the case of mistaken identity earlier this July in the journal Oncoscience. After first suspecting the woman had an ectopic pregnancy, the doctors instead discovered a large and rare type of tumor in h

Topics: cancer doctors pregnancy tumor woman

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Rey’s Climatic ‘Star Wars’ Showdowns Get a Beautiful Poster Set

gizmodo.com Germain Lussier 2025-12-18 18:15:49

Bottleneck Gallery and artist Kevin Wilson will soon release a truly beautiful set of Star Wars posters that feature Rey’s three unforgettable Sith showdowns in all their glory. There’s her first battle with Kylo Ren at the end of The Force Awakens, the start of her showdown with Snoke in The Last Jedi, and the final encounter with her dear old pappy Palpatine in The Rise of Skywalker. Each is prettier than the last, and they make us think back to a simpler time. Before we get to that, though,

Topics: com force rey set title

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Samsung’s New ‘Fan Edition” Earbuds Beat the Pricier Buds 3 Pro in One Key Way

gizmodo.com James Pero 2025-12-18 18:45:05

After some major leaks earlier this month, Samsung’s Galaxy Buds 3 FE are finally here, and on paper, they look like a pretty good deal. While the “FE” moniker, short for Fan Edition, often signifies a lower price point in exchange for some compromises on features, the new Galaxy Buds 3 FE actually beats Samsung’s Galaxy Buds 3 Pro in a couple of key areas, and one of those battlegrounds is battery life. According to Samsung, the $150 Buds 3 FE offer 6 hours of battery with active noise cancell

Topics: battery buds fe galaxy pro

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Best Vegan Meal Delivery Services for 2025, Tested by a Plant-Based Eater

cnet.com See Full Bio 2025-12-18 15:52:00

When trying to find a vegan meal delivery service, several factors should be considered to find your perfect fit. Prepared meals versus meal kits: Prepared meals come ready to heat in the microwave or in a pan on the stovetop. Meal kits, on the other hand, provide all the ingredients and instructions you’ll need to prepare the meals yourself. Though prepared meals are easier and take less time, meal kits may be good for those who like cooking or want to learn to cook. Fresh versus frozen: On t

Topics: delivery meal meals prepared service

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Nvidia Will Let You Add Your Own Steam Games to Stream Via GeForce Now

cnet.com See Full Bio 2025-12-18 17:30:00

Nvidia's announcements at the 2025 Gamescom show were sprinkled with the usual minor technology refreshes across its software platforms, but the biggest updates are coming to its GeForce Now cloud gaming service. The company upgraded its highest-end GFN server clusters ("pods") used for Ultimate members with its new RTX GeForce 5080-equivalent graphics processors and is in the process of upgrading the network pipeline to deliver faster streams with less latency. In practice, that means a lot of

Topics: game games new nvidia play

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Today's NYT Connections: Sports Edition Hints and Answers for Aug. 19, #330

cnet.com See Full Bio 2025-12-18 18:00:07

Looking for the most recent regular Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles. My favorite NFL team is the Minnesota Vikings (I know, I know) and so the blue group in today's Connections: Sports Edition was kind of fun for me. Adam Sandler fans might enjoy the purple category. Read on for hints and the answers. Connections: Sports Edition is out of beta now, making its

Topics: answers connections group sports today

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X’s declining Android app installs are hurting subscription revenue

techcrunch.com Sarah Perez 2025-12-18 18:49:36

Elon Musk’s X is struggling on Android devices in terms of new installs, even while App Store downloads grow, according to new data from app intelligence provider Appfigures. In July 2025, X downloads on Google Play saw a significant decline, as new installs dropped by 44% year-over-year worldwide, even as iOS downloads grew by 15%. This steep drop in installs is pulling down X’s overall average, leading to a 26% decrease in total mobile downloads year-over-year as of July. That’s still slightl

Topics: android app downloads installs year

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Three highlights from Apple’s two-day event on privacy and AI

9to5mac.com Marcus Mendes 2025-12-18 23:37:01

A few months ago, Apple hosted the Workshop on Privacy-Preserving Machine Learning, which featured presentations and discussions on privacy, security, and other key areas in responsible machine learning development. Now, it has made the presentations public. Here are three highlights. As it did recently with the presentations from the 2024 Workshop on Human-Centered Machine Learning, Apple published a post in its Machine Learning Research blog with a few videos and a long list of studies and pa

Topics: apple data privacy private studies

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Latest Tech News

Croatian freediver held breath for 29 minutes

How to destroy harmful 'forever chemicals'

Intel is getting a $2 billion investment from SoftBank

X-ray scans reveal Buddhist prayers inside tiny Tibetan scrolls

Another Crypto IPO Hits the Market and Most People Still Have No Idea What Crypto Is

The Download: pigeons’ role in developing AI, and Native artists’ tech interpretations

Texas AG to investigate Meta and Character.AI over 'misleading' mental health claims

Structured (Synchronous) Concurrency

Shamelessness as a strategy (2019)

The Skydance-Paramount Megamerger Could Lead to Legendary Jumping Ship

Nobody Likes Zuckerberg’s Glitchy AI App

Today's NYT Strands Hints, Answers and Help for Aug. 19, #534

Today's NYT Connections Hints, Answers and Help for Aug. 19, #800

GEPA optimizes LLMs without costly reinforcement learning

Samsung Galaxy Z Fold 7 plummets to new record-low price, saving you $300!

9to5Mac Daily: August 18, 2025 – Apple Watch rumors, more

Britt Lower’s ‘Severance’ Audition Tape Proves Her Helly R. Was Meant to Be

New Study Fuels Debate Over World-Changing Comet Strike 12,800 Years Ago

Despite Online MAGA Freakout About Her Jeans, Sydney Sweeney’s New Movie Bombs

‘Crazy conspiracist’ and ‘unhinged comedian’: Grok’s AI persona prompts exposed

TeraWulf stock gains more than 4% as Google boosts stake in data center operator

Palo Alto Networks reports earnings beat, says founder Nir Zuk retiring from company

What Seemed Like a Pregnancy Was Actually Something Far More Dangerous

Rey’s Climatic ‘Star Wars’ Showdowns Get a Beautiful Poster Set

Samsung’s New ‘Fan Edition” Earbuds Beat the Pricier Buds 3 Pro in One Key Way

Best Vegan Meal Delivery Services for 2025, Tested by a Plant-Based Eater

Nvidia Will Let You Add Your Own Steam Games to Stream Via GeForce Now

Today's NYT Connections: Sports Edition Hints and Answers for Aug. 19, #330

X’s declining Android app installs are hurting subscription revenue

Three highlights from Apple’s two-day event on privacy and AI

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