Featured
A smooth ride
The perfect commuter bike? Velotric’s Discover M makes its case.
A customized mid-motor and Shimano’s new Cues components are a winning combination.
John Timmer
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108
Ars Technica homepage
A revolutionary cancer treatment could transform autoimmune disease
Researchers are testing CAR T cell therapy as a way to reset the immune system.
Knowable Magazine
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43
The US is betting on AI to catch insider trading in prediction markets
The Commodity Futures Trading Commission wants us to know it’s taking this very seriously.
WIRED
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91
Russia pressures university students to become wartime drone pilots
Universities promise no frontline duty and perks if students enlist in military.
Jeremy Hsu
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172
Anthropic’s $1.5B copyright settlement is getting messy as judge delays approval
Lawyers accused of rushing historic settlement to seize $320 million in fees.
Ashley Belanger
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76
A revolutionary cancer treatment could transform autoimmune disease
Researchers are testing CAR T cell therapy as a way to reset the immune system.
Knowable Magazine
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43
The US is betting on AI to catch insider trading in prediction markets
The Commodity Futures Trading Commission wants us to know it’s taking this very seriously.
WIRED
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91
Russia pressures university students to become wartime drone pilots
Universities promise no frontline duty and perks if students enlist in military.
Jeremy Hsu
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172
Anthropic’s $1.5B copyright settlement is getting messy as judge delays approval
Lawyers accused of rushing historic settlement to seize $320 million in fees.
Ashley Belanger
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76
US hantavirus case was false positive; outbreak cases drop from 11 to 10
WHO announced today that the operation to safely transfer passengers is complete.
Beth Mole
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15
Review: Good Omens finale (mostly) sticks the landing
Truncated third season feels rushed, but also gives us a fitting end to a love story for the ages.
Jennifer Ouellette
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33
Solar power production undercut by coal pollution
Each year, some of the power solar could have produced is blocked by aerosols.
John Timmer
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70
Weather-monitoring firm hangs dark cloud over customers’ heads by forcing new app
Newer AcuRite Now app lacks some features but has a subscription option.
Scharon Harding
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59
Three’s a party: US, China, and now Russia are on the prowl in GEO
Instead of running silent and deep, most satellites easily stand out against the blackness of space.
Stephen Clark
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29
Ebola outbreak with uncommon strain erupts in Congo and Uganda; 65 deaths
WHO learned of potential cases May 5; US CDC said it just heard about it yesterday.
Beth Mole
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54
Featured
Razr grows up
Motorola Razr Fold review: Fits neatly in your pocket but not your budget
The Razr Fold has a lot going for it, but like all foldables, it’s wildly expensive.
Ryan Whitwam
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64
Send the arXiv AI-generated slop, get a yearlong vacation from submissions
One of the site’s moderators described the new policy on social media.
John Timmer
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74
Most Read
OpenAI feels “burned” by Apple’s crappy ChatGPT integration, insiders say
Judge orders Apple to give Musk internal messages discussing secretive ChatGPT deal.
Ashley Belanger
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94
Volkswagen shows its first electric GTI; there’s no chance of US sales
The ID. Polo GTI takes plenty of inspiration from the original Golf GTI of 1976.
Jonathan M. Gitlin
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108
Making cement from a different type of rock could clean up emissions
Limestone might not be the only source for Portland cement.
Scott K. Johnson
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56
Bill to block publishers from killing online games advances in California
Publishers would have to offer “independent” play patch or refunds after server shutdowns.
Kyle Orland
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130
Honda shows off new hybrids for America as it absorbs $9 billion EV loss
The automaker marked its first annual loss in more than 70 years.
Jonathan M. Gitlin
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160
Casimir force co-opted to generate free energy, midichlorians not included
The vacuum giveth, the vacuum taketh, but the vacuum doesn’t let you taketh.
Chris Lee
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142
Rocket Report: Cowboy up for data centers in LEO; Russia’s new ICBM actually works
SpaceX’s upgraded Starship is set to launch on its first test flight as soon as Tuesday, May 19.
Stephen Clark
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118
Routine vaccines may cut dementia risk—experts have startling hypothesis on how
Vaccines may be training a part of our immune system long thought to be untrainable.
Beth Mole
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101
Pennsylvanians use town hall meeting to rail against data center boom
“This is a public trust and transparency issue.”
Inside Climate News
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57
Claude Code’s product lead talks usage limits, transparency, and the “lean harness”
“We have no grand plan,” says Anthropic’s Cat Wu—but that’s by design.
Samuel Axon
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46
Men use “vocal fry” more than women, counter to stereotype
Study suggests “the bias is real but socially constructed, rather than grounded in how women actually sound.”
Jennifer Ouellette
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134
Fired hacker twins forget to end Teams recording, capture own crimes
One little mystery—solved.
Nate Anderson
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84
Cell phone users can’t stop incriminating themselves
People confide almost everything to their phones.
Nate Anderson
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187
Energy supplier abandons Lake Tahoe residents to serve data centers
Town’s 49,000 California residents compete with Nevada data centers for energy.
Jeremy Hsu
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163
Over a year later, AMD is bringing improved FSR 4 upscaling to its older GPUs
FSR 4.1 running on RDNA3 or RDNA2 GPUs may take a bigger performance hit.
Andrew Cunningham
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37
Judge probes whether Musk settlement with Trump admin is tainted by corruption
Trump admin wants to let Musk pay $1.5M fine to settle $150 million Twitter suit.
Jon Brodkin
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64
Zero-day exploit completely defeats default Windows 11 BitLocker protections
It’s not entirely clear how the exploit works. Microsoft says it’s investigating.
Dan Goodin
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58
Your doctor’s AI notetaker may be making things up, Ontario audit finds
Made-up therapy referrals, incorrect prescriptions among the common mistakes.
Kyle Orland
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139
Vaporware or not? Aptera assembles its first five validation models.
The three-wheel, two-seat EV has been in development since 2006.
Jonathan M. Gitlin
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175
Cisco announces record revenue and 4,000 layoffs in the same day
Layoffs are “not a savings-driven restructure,” CFO says.
Scharon Harding
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72
Forecasters predict wildfires, floods, severe heatwaves from incoming El Niño
Ocean heat plus human-caused global warming is a grim recipe for deadly climate extremes.
Inside Climate News
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65
Desperate Trump taps “Tim Apple,” Jensen Huang, Elon Musk to attend Xi summit
Xi meeting may force Trump to pivot on chip restrictions and Taiwan.
Ashley Belanger
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219
Solar drone with jumbo jet wingspan broke a flight record—then it crashed
The final flight and complex legacy of a pioneering solar-powered aircraft.
Jeremy Hsu
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56