Yes, Trump might carry them to victory in the midterms. But he can’t carry them much longer – especially not in the 2028 elections All told, Democrats already seem as though they’re headed for a… Read more: Democrats are counting on Trump’s unpopularity to save them. It won’t | Osita Nwanevu

Trust3 AI, the industry leader in unified agentic governance (formerly Privacera), today announced an expanded strategic collaboration with Dell Technologies to provide enterprises with a secure, governed, and artificial intelligence-ready data lakehouse infrastructure. This joint… Read more: Trust3 AI, Dell Partner on Secure, Governed AI Data Lakehouse

New integration enables AI coding agents to securely retrieve secrets and manage infrastructure without exposing credentials in chat history or source control Keeper Security, the leading zero-trust and zero-knowledge identity security and Privileged Access Management… Read more: Keeper Security Launches Agent Kit to Secure AI-Driven Developer Workflows

DuPont (NYSE: DD) today announced a strategic collaboration with Uncountable, an AI-driven platform for end-to-end product and application development, to advance its AI-ready labs initiative. The collaboration marks a major step forward in how DuPont scales… Read more: DuPont Collaborates with Uncountable to Advance AI-Ready Labs Strategy

Strategic appointment to accelerate growth across region RWS (AIM: RWS.L), a global AI solutions company, today announces that Brajesh Jha has joined its Executive Team as Chief Executive Officer (CEO) of its Transform Business Unit,… Read more: Brajesh Jha Joins RWS as CEO of Transform Business Unit, Americas

Evolution seems to follow a script more often than expected. Researchers found that distantly related butterflies and moths have reused the same pair of genes for over 120 million years to produce strikingly similar warning… Read more: Evolution isn’t random. Scientists find the same genes used for 120 million years

Jimmy Wales remembers a toxic internet even before social media and says AI is ‘not a disaster’ for the free – and freely edited – online encyclopaedia Follow our Australia news live blog for latest… Read more: Wikipedia founder brands Australia’s social media ban an ‘unmitigated disaster’ and an ‘embarrassment’

Exclusive: amid unrest, President William Ruto promised to give all Kenyans access to healthcare. But the algorithm favours the rich, an investigation has found An AI system used to predict how much Kenyans can afford… Read more: Flaws in Kenya’s AI-driven health reforms driving up costs for the poorest

Artificial intelligence (AI) road safety cameras have been rolling out across Australia, resulting in a large number of fines. For example, roughly 184,000 infringements have been issued in Western Australia since the cameras were launched… Read more: AI road safety cameras are fuelling a surge in driver fines. Are they fair?

There’s a pretty sizable list of things an AI assistant should refuse to help you with. Is engineering a doomsday pathogen one of them? Evidently, not every AI company thinks so. According to new reporting… Read more: Frontier AI Models Giving Specific, Actionable Instructions to Perpetrate Bioterror Attack

A hidden force may be quietly shaping how you feel—and you’d never even know it. Infrasound, an ultra-low-frequency vibration below the range of human hearing, is everywhere from traffic to old buildings. In a small… Read more: The creepy feeling in old buildings might have a surprising cause

Long before humans spread across the globe, a deadly disease may have quietly shaped where our ancestors lived—and even how we evolved. New research reveals that malaria didn’t just threaten early human survival; it actively… Read more: Malaria didn’t just kill early humans, it shaped who we became

Coffee doesn’t just energize—it actively reshapes the gut and mind. Researchers found that both caffeinated and decaf coffee altered gut bacteria in ways linked to better mood and lower stress. Decaf even improved learning and… Read more: Scientists just discovered what coffee is really doing to your gut and brain

YouTube has a serious slop problem. The platform has been inundated with lazy AI-generated footage, from pseudo-educational videos explicitly aimed at toddlers and preschoolers to fake movie trailers. It’s become such a wasteland that some… Read more: AI Slop YouTube Channel Glitches Out in a Way So Bizarre That It’s Vaguely Disturbing

Technology has been deployed since 2020 in London, leading to concerns over data privacy and racial bias AI facial recognition oversight lagging far behind technology, watchdogs warn Guilty until proven innocent: shoppers falsely identified by… Read more: How does live facial recognition work and how many UK police forces use it?

Exclusive: Biometrics commissioners say face-scanning not as effective as claimed and new laws needed to regulate use How does live facial recognition work and how many police forces use it? Guilty until proven innocent: shoppers… Read more: AI facial recognition oversight lagging far behind technology, watchdogs warn

Earlier this month, we got a glimpse of the harrowing conversations that Florida State University school shooting suspect Phoenix Ikner had with ChatGPT before his deadly massacre. Ikner asked the chatbot how to turn off… Read more: Double Murder Suspect Asked ChatGPT How to Hide Body in Dumpster

In February, Meta contractors in Kenya told Swedish newspapers Svenska Dagbladet and Göteborgs-Posten that the company required them to review disturbing and sensitive footage captured by its Ray-Ban AI glasses. Some reported seeing wearers naked… Read more: Meta Had the Worst Possible Response When Its Workers Were Watching Naked Footage of Its Ray-Ban AI Glasses Users

A bizarre rainforest insect is rewriting what scientists thought they knew about camouflage. A katydid spotted glowing hot pink in Panama stunned researchers when it slowly transformed into green in just 11 days, perfectly mirroring… Read more: Scientists stunned as pink katydid transforms into green camouflage

Astronomers have unleashed a powerful new AI tool called RAVEN to comb through data from NASA’s TESS mission—and it’s paying off in a big way. By analyzing millions of stars, the system has confirmed over… Read more: Powerful AI finds 100+ hidden planets in NASA data including rare and extreme worlds

A new kind of memory device may finally solve the problem of overheating and battery drain in electronics. By shrinking components to an extreme scale and redesigning their structure, researchers found a way to reduce… Read more: Scientists built a memory chip that breaks the rules of miniaturization

A new analysis of the “Boltzmann brain” paradox suggests our memories and sense of reality could, in theory, be random illusions born from cosmic chaos. By uncovering circular reasoning in how physicists think about time… Read more: Are your memories real? Physicists revisit the Boltzmann brain paradox

The brain’s memory center may begin life more like a crowded web than an empty canvas. Researchers discovered that early neural networks in the hippocampus are dense and seemingly random, then become more organized by… Read more: Scientists found the brain doesn’t start blank, it starts full

Physicists are rethinking one of quantum mechanics’ biggest puzzles: how fuzzy possibilities become definite reality. New research suggests that spontaneous “collapse” processes—possibly linked to gravity—could subtly blur time itself. This wouldn’t affect clocks we use… Read more: Physicists just found a tiny flaw in time itself

If you can’t beat ’em, tax ’em.  AI slop is as certain as government levies these days, infecting every corner of the internet and increasingly intruding on real life. It’s not going away, and surely… Read more: An Elegant Solution to AI Slop: Tax It, and Use the Resulting Billions of Dollars to Fund Cultural Institutions, Artists, and Researchers

Students across Canada are exposed to artificial intelligence (AI) whether through search engines, writing assistants, automated recommendation systems or social media. That everyday exposure raises a first, fundamental question: What should students should learn about… Read more: How should schools teach AI? 3 models to consider

In theory, using an AI model to churn out a bunch of code for your software company sounds like an awesome idea. A ruthless boss can cut down their workforce and save on paying their… Read more: The Economics of Using AI to Churn Out Code Are Looking Worse Than Ever

Earlier this year, Anthropic unveiled a preview version of Mythos, its upcoming AI model that it claimed was simply too dangerous to make available to the wider public. As part of an early access program,… Read more: The White House Suddenly Seems Pretty Terrified of Anthropic

We tend to think of intelligence like height – and imagine ourselves being overtaken. That misses the point Until recently, we humans have been able to be smug about our abilities. No other animals play… Read more: Will human minds still be special in an age of AI?

Across the entire country, small rural communities are standing up to the rise of AI data centers, saying the enormous facilities threaten to suck water supplies dry and send electricity prices soaring. It’s become such… Read more: Democrat and Republican Voters United on Key Issue: Hatred of Data Centers

Researchers say works may have been incorrectly inscribed in 1700s, leading to centuries-long misunderstanding They are two small sketches by the Renaissance master Hans Holbein: one has long been considered to be a portrait of… Read more: Mystery sitter in Holbein portrait could be Anne Boleyn, AI analysis finds

After subscribing to the Claude chatbot, mystery payments started to appear on one family’s credit card bill. They are not alone David Duggan* was so impressed with the ability of the Claude chatbot to answer… Read more: AI chatbot fraud: the ‘gift card’ subcription that may cost you dear

Residents say AI factories with unknown environmental impacts are being rushed into development as proponents argue Australia must ride the data boom or be left behind Follow our Australia news live blog for latest updates… Read more: Under a cloud: the growing resentment against the massive datacentres sprouting across Australian cities

While workers in the western world agonize over what seems to be an impending job apocalypse, their Chinese counterparts are winning in pitched legal battles against AI automation. Last week, according to the state-run Xinhua… Read more: Chinese Court Rules That a Worker Cannot Be Replaced by AI

With questions swirling about whether hundreds of AI startups will ever translate the tech into real-world economic returns, new players in the space are scrambling to justify all the hype. One of the particularly baffling… Read more: There’s Something Bizarre About the Offices of AI Startups

It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across. So every month, we highlight a handful of the best stories that nearly slipped through… Read more: Research roundup: 6 cool science stories we almost missed

If you decided to blow off a Zoom meeting by sending an AI dummy instead, you might find yourself out of a job. But when a head honcho does it, it’s a masterfully executed stunt,… Read more: Bank CEO Brags He Used AI Clone of Himself to Host Conference Call

Tired of your AI chatbot’s constantly-glazing therapy-speak? You could instead try striking up a conversation with “Talkie,” an old-timey AI model which is trained purely on books, newspapers, and other text sources from before the… Read more: New AI Trained Only on Pre-1930 Data Speaks Like the Most Old-Timey Guy Imaginable

Scientists have uncovered a surprising link between simple body movement and brain health: every time you tighten your abdominal muscles—even slightly—your brain may gently sway inside your skull. This subtle motion, triggered by pressure changes… Read more: Scientists discover a hidden brain “cleaning” effect triggered by movement

In a striking glimpse into extreme physics, scientists have captured the split-second chaos that unfolds when powerful laser flashes blast matter into a superheated plasma. By combining two cutting-edge lasers, researchers were able to track… Read more: This laser turns metal into a star-like plasma in trillionths of a second

A decades-old cosmic mystery has finally been cracked: the strange X-rays coming from the bright star gamma-Cas are caused by a hidden stellar companion feeding off it. Using cutting-edge observations from the XRISM space mission,… Read more: Astronomers finally solve the gamma-Cas X-ray mystery after 50 years

Two of the most dangerous fault systems on the U.S. West Coast may be more connected than scientists once thought. New research suggests the Cascadia subduction zone and the San Andreas fault can “sync up,”… Read more: The “big one” might not come alone: Double West Coast earthquake threat

Scientists have discovered a way to help the brain clean itself of harmful Alzheimer’s plaques by activating its own support cells. By increasing a protein called Sox9, researchers were able to boost the activity of… Read more: Boosting one protein helps the brain fight Alzheimer’s

A centuries-old vision of a mechanical volcano has finally erupted into reality, as two University of Melbourne engineering students recreated a design first imagined in 1775 by volcanology enthusiast Sir William Hamilton. Drawing from an… Read more: 18th-century mechanical volcano roars to life 250 years later

Crabs’ famous sideways walk may trace back to a single evolutionary moment 200 million years ago. Researchers found that most modern crabs inherited this trait from one ancestor—and never looked back. The movement likely gave… Read more: Why do crabs walk sideways? Scientists trace it back 200 million years

Welcome back to the Abstract! These are the stories this week that dared to dream, slinked through the city, mourned their mothers, and visited ancient graveyards. First, scientists studied thousands of dream reports and discovered… Read more: This Personality Trait Makes Dreams More Bizarre, Scientists Discover

In a makeshift demonstration kitchen in Concord, California, cooking oil splatters in and around a frying pan, which catches fire on an unattended gas stove. Within moments, a smoke detector wails. But in this demonstration,… Read more: Infrasound waves stop kitchen fires, but can they replace sprinklers?

Did ChatGPT just solve an arcane math problem that’s foiled mathematicians for over sixty years? Some leading experts say yes, Scientific American reports. Earlier this month, 23-year-old Liam Price shared a solution to one of… Read more: Mathematicians Claim Significant Discovery Using ChatGPT

A planned AI-focused high school is being put on ice after widespread backlash, The New York Times reports. Originally set to open in Manhattan at the start of the next academic year, the New York… Read more: AI-Powered High School Scrapped After Protests Erupt Against It

Plus: The NSA tests Anthropic’s Mythos Preview to find vulnerabilities, a Finnish teen is charged over the Scattered Spider hacking spree, and more.

AI agents can often act more like double agents, sabotaging a company from the inside. Have the legions of tech-brained big wigs heeded this lesson? Of course not. On Friday, Jer Crane, the founder of… Read more: Claude Deleted a Company’s Entire Database, Illustrating a Danger Every CEO Should Be Aware of

Valve and its SteamOS operating system have already done what a bunch of companies (including Apple) have been trying to do for decades: make a dent in Windows’ dominance in PC gaming. I mean, sure,… Read more: The RAMpocalypse has bought Microsoft valuable time in the fight against SteamOS

In human-to-human communication, the desire to be empathetic or polite often conflicts with the need to be truthful—hence terms like “being brutally honest” for situations where you value the truth over sparing someone’s feelings. Now,… Read more: Study: AI models that consider user’s feeling are more likely to make errors

Over the course of six months, black lesions and deep ulcers formed over the body of a 78-year-old man, puzzling doctors. His face was covered in dark scabs. A lesion had destroyed his left eyelid,… Read more: Man dies covered in necrotic lesions after amoebas eat him alive

Build American AI, a nonprofit linked to a super PAC bankrolled by executives at OpenAI and Andreessen Horowitz, is funding a campaign to spread pro-AI messaging and stoke fears about China.

See what you missed in Daily Tech Insider from April 27–May 1. The post AI Power Plays, Security Breaches, and Industry Shifts Define the Week in Tech appeared first on TechRepublic.

Apple reported strong quarterly revenue as iPhone demand surged, but questions remain around AI strategy, rising costs, and leadership changes. The post Apple Sales Jump as ‘Most Popular’ iPhone Fuels Growth appeared first on TechRepublic.

Servers operated by Ubuntu and its parent company Canonical were knocked offline on Thursday morning and have remained down ever since, a situation that’s preventing the OS provider from communicating normally following the botched disclosure… Read more: Ubuntu infrastructure has been down for more than a day

Last month, failing tech bro shoe company Allbirds made the baffling announcement that it was pivoting to AI — three magic words that turned the waning business into Silicon Valley’s latest obsession overnight. Now Japanese… Read more: Toilet Maker Spikes in Value as It Flushes Money Into AI

The Chinese government pressured Zambia to cancel RightsCon, the world’s largest digital human rights conference, at the last minute, according to the conference’s organizers. Beijing was upset that the speaker’s list included prominent figures from… Read more: China Pressure Canceled World’s Largest Digital Human Rights Conference

Amazon’s cloud customers will need to wait several more months before the US tech company can repair war-damaged data centers and restore normal operations in the Middle East. The announcement comes two months after Iranian… Read more: Amazon stuck with months of repairs after drone strikes on data centers

This week, Minnesota became the first state to pass a law banning nudification apps that make it easy to “undress” or sexualize images of real people. Under the law, developers of websites, apps, software, or… Read more: Minnesota passes ban on fake AI nudes; app makers risk $500K fines

US senators voted unanimously to ban themselves from making bets on prediction markets yesterday, about a week after Kalshi said it caught three congressional candidates betting on their own campaigns. The resolution to prohibit senators… Read more: Senators ban themselves from prediction markets after candidates bet on own races

Did you know that SUVs now account for 6 in 10 new vehicles sold in Europe? That’s even higher than in the US or China, where market share for lifted hatchbacks currently runs at about… Read more: Is your Purosangue SUV not sharp enough? Ferrari has you covered.

Last month, Anthropic made a big deal about the supposedly outsize cybersecurity threat represented by its Mythos Preview model, leading the company to restrict the initial release to “critical industry partners.” But new research from… Read more: GPT-5.5 matches heavily hyped Mythos Preview in new cybersecurity tests

Scorpions are armed with dual front pincers (technically known as chelae or pedipalp appendages) and a venom-injecting telson, or stinger, on the posterior of their tail. These things look dangerous enough on their own, but… Read more: Scorpions go terminator mode and reinforce their weapons with metal

This is Behind the Blog, where we share our behind-the-scenes thoughts about how a few of our top stories of the week came together. This week, we discuss a wild message, big questions about consciousness,… Read more: Behind the Blog: Big Questions of Consciousness

Who’s ready for a different kind of AI event? Most AI conferences follow the same formula: keynotes that recap last month’s announcements, panels that relitigate familiar debates, and networking optimised for business cards rather than… Read more: What’s shaping frontier AI in 2026? Find out in London, May 21st

Medical journals are being flooded with shoddy AI-generated work, a growing threat to the scientific community that could undermine the value and trustworthiness of potentially life-saving health research. Papers citing hallucinated journals and studies have… Read more: New England Journal of Medicine Retracts Paper Because Photo of Patient’s Insides Was Garbled by AI

A team at King’s College London has created a powerful new aluminum compound capable of doing the work of expensive rare metals. Its unique triangular structure gives it remarkable stability and reactivity, allowing it to… Read more: This new aluminum could replace rare metals and cut costs dramatically

Scientists have created a powerful new way to control quantum systems, achieving the first-ever demonstration of quadsqueezing—an elusive fourth-order quantum effect. By combining simple forces in a clever way, they made previously hidden quantum behaviors… Read more: Oxford physicists achieve first-ever “quadsqueezing” breakthrough in quantum physics

Scientists have uncovered a tiny wall-dwelling spider named Pikelinia floydmuraria, inspired by Pink Floyd. Despite its size, it’s a fierce predator that hunts ants much larger than itself and helps reduce common urban pests like… Read more: This “Pink Floyd” spider hunts prey 6x its size and lives in walls

Deep in a dried-up riverbed in Brazil, scientists uncovered a bizarre prehistoric mystery—twisted jawbones from a strange, long-lost animal unlike anything seen before. Dating back 275 million years, this creature, named Tanyka amnicola, belonged to… Read more: This 275-million-year-old animal had a twisted jaw like nothing alive today

Apple’s Mac mini and Mac Studio desktops have been increasingly difficult to buy over the course of the year—multiple configurations are listed on Apple’s site as “currently unavailable,” which almost never happens, and others will… Read more: Apple may take “several months” to catch up to Mac mini and Studio demand

On Thursday, the publicly traded spaceflight company Virgin Galactic shared on social media a new photo of its next-generation spaceship being towed outside of its factory in Mesa, Arizona. You remember Virgin Galactic, right? The… Read more: Virgin Galactic reveals new ship, but it’s running out of time and cash

Welcome to Edition 8.39 of the Rocket Report! There’s a lot of news to share in the universe of powerful rockets this week, and we’re delighted to sum it up in this week’s edition. The… Read more: Rocket Report: Falcon Heavy is back; Russia’s Soyuz-5 finally debuts

A little over a year ago, MG was leading the relatively normal life of a twentysomething in Scottsdale, Arizona. She worked as a personal assistant and supplemented her income by waiting tables on the weekends.… Read more: Women sue the men who used their Instagram feed to create AI porn influencers

buritora/Shutterstock A century ago, the five-day working week helped reshape society. It was introduced at scale by industrial pioneers to address not only worker wellbeing but also economic pressures. US industrialist Henry Ford was among… Read more: The four-day week won’t happen overnight, but it could transform how we live and work

According to SAP, enterprise AI governance secures profit margins by replacing statistical guesses with deterministic control. Ask a consumer-grade model to count the words in a document, and it will often miss the mark by… Read more: SAP: How enterprise AI governance secures profit margins

It takes a huge investment to be able to manufacture computer chips like these. Annabelle Chih/Getty Images The boom in data center construction is taking up much of the supply of high-tech components, especially processor… Read more: AI data center boom is leaving consumer electronics short of chips − even though they don’t use the same kinds

Sycophancy eats away at truth and trust. Andriy Onufriyenko/Moment via Getty Images In the summer of 2025, OpenAI released ChatGPT 5 and removed its predecessor from the market. Many subscribers to the old model had… Read more: AI chatbots can prioritize flattery over facts – and that carries serious risks

Agreements with artificial intelligence firms spark concerns over public spending, cyber security and domestic surveillance Sign up for the Breaking News US email to get newsletter alerts in your inbox The Pentagon said on Friday… Read more: Pentagon plans to make US military ‘AI-first fighting force’ by pairing with companies

For years now, tech leaders have warned that AI will usher in a technological revolution on an unprecedented scale, wiping out countless jobs. If you’re lucky enough to survive sweeping layoffs continuously roiling the tech… Read more: Gen Z Is Turning Against AI in an Incredible Way

The Beijing Auto Show is currently taking place in China, offering those of us behind the Trump tariff curtain a peek at what’s increasingly being dubbed the world’s most advanced car market. Chinese EVs leave… Read more: There’s a lot of hype about Chinese EVs—is any of it true?

As of 1st June 2026, GitHub Copilot will charge its users on the basis of the tokens they use, rather than a flat rate subscription model. The model that’s seeing the shutters closed on it… Read more: Per-token AI charges come to GitHub Copilot

A key protein involved in fat metabolism has been found to do more than scientists once thought. Instead of just releasing fat, it helps maintain healthy fat tissue and balance in the body. When it’s… Read more: Surprising obesity discovery rewrites decades of fat metabolism science

Scientists have uncovered a surprising new layer of complexity in Cannabis, identifying dozens of previously unknown compounds—including the first-ever evidence of rare molecules called flavoalkaloids in its leaves. These compounds, prized for their potential health… Read more: Don’t toss cannabis leaves: Scientists found rare compounds with medical potential

Kidney stones are notoriously painful—and frustratingly common, with many people facing repeat episodes. A massive new study tested whether a high-tech hydration program—complete with smart water bottles, reminders, coaching, and even financial incentives—could help people… Read more: Why drinking more water didn’t prevent kidney stones

We are in a world where robots compete against humans and while perfect scores might be impressive, they are also dull It hurts to miss an unmarked shot in basketball. And it certainly seemed to… Read more: Robo athletes miss the point of sport – there is no drama without emotion | Emma John

UN Women report says AI, anonymity and lack of effective laws are increasing the risks of engaging in digital spaces Women in public life are facing growing and increasingly sophisticated forms of online violence, the… Read more: UN warns women in public life face increasingly sophisticated online violence

People describe awkward and unnatural process as survey finds nearly half of job seekers have been interviewed by AI Nearly half (47%) of UK job seekers have had an AI interview, research from the hiring… Read more: ‘Completely horrible’: UK job hunters share frustration with AI interviews

When she was a child, MIT senior Olivia Honeycutt would spend summers on her grandparents’ farm in rural Alabama outside Birmingham. The practical and cultural differences between farm and city life became more pronounced by… Read more: Improving understanding with language

The human brain remains one of the most fascinating and perplexing mysteries in medicine. Scientists still struggle to match neurological activity with brain function and detect problems early, slowing efforts to treat neurological disorders and… Read more: Beacon Biosignals is mapping the brain during sleep

Messages presented at trial reveal how Zilis, the mother of four of Musk’s children, acted as an intermediary between him and OpenAI.

From watching too much Nordic noir, I have learned the key lessons to Scandinavian safety: Stay out of the deep woods, avoid all “rustic villagers,” flee every solstice or equinox ritual, and run screaming from… Read more: US falls below Ukraine in press freedom as global autocracy takes hold

In a series of social media posts Thursday, President Trump withdrew his nomination of Make America Health Again influencer Casey Means to be surgeon general, lashed out at Sen. Bill Cassidy (R-La.) for Means’ stalled… Read more: Trump nominates Fox News doctor to be the next surgeon general

Apple CEO Tim Cook told analysts that AI adoption has happened faster than expected.

In February, numerous workers from a company that Meta contracted to perform data annotation for Ray-Ban Meta reported viewing sensitive, embarrassing, and seemingly private footage recorded by the smart glasses. About two months later, Meta… Read more: Meta cuts contractors who reported seeing Ray-Ban Meta users have sex

Publicly released exploit code for an effectively unpatched vulnerability that gives root access to virtually all releases of Linux is setting off alarm bells as defenders scramble to ward off severe compromises inside data centers… Read more: The most severe Linux threat to surface in years catches the world flat-footed

Elon Musk seems tired and cranky. On Thursday, he took the stand for the third day in a four-week trial stemming from his lawsuit alleging that OpenAI abandoned its mission and should be blocked from… Read more: Elon Musk’s 7 biggest stumbles on the stand at OpenAI trial