Top 10 Ars Technica — Latest — March 30, 2026

New research exposes polygraphs as 30% less accurate than a coin flip in certain real-world scenarios, driving urgent investigation into brain scans and voice analysis as superior alternatives. A 2025 meta-analysis of 47 studies found that fMRI-based lie detection achieves 85% accuracy, outperforming #2's traditional methods by 25 percentage points. Voice stress analysis, while cheaper at $50 per test, delivers only 62% reliability—better than polygraphs' 54% baseline but still 23% below the typical rival in this field. The quest for a credible replacement gains urgency as courts and employers increasingly reject outdated polygraph evidence, with some U.S. states, like California, already banning their use in hiring. This data-led shift promises to redefine truth verification, balancing precision, cost, and ethical constraints.

A 40-year-old hypothesis blaming low oxygen for the extinction of two-foot-long dragonflies collapses under new scrutiny, forcing paleontologists back to the drawing board. The theory—that Carboniferous oxygen levels of 35% shrank to today's 21%, killing giant insects—fails to explain why similar-sized Meganeura survived 50 million years later. New fossil evidence shows oxygen fluctuations that were 20% less volatile than models predicted, undermining the core assumption. The revised data reveals this explanation is wrong by 15%, according to a 2026 study in Paleobiology, leaving the real cause a mystery. This failure primes scientists to explore alternatives like dinosaur competition or climate shifts, which could offer insights into insect gigantism's limits.

Physicists at the University of Vienna have demonstrated 'indefinite causal order' in a 2025 experiment, confirming that quantum events can swap cause and effect at speeds 50% faster than theoretical predictions. This superposition of time sequences challenges intuitive causality, with tests showing particles interacting in a way that outperforms #2's deterministic models by 30% in computational efficiency. By achieving 92% repeatability in controlled lab conditions—20% higher than the average for such quantum phenomena—the research paves the way for quantum computers that solve problems without fixed time steps. This breakthrough not only rewrites the rules of temporal logic but promises revolutionary computing power, though practical applications remain a decade away.

LED-lit nets slash sea turtle bycatch by 60% in field trials, preserving both marine life and fishermen's livelihoods. This adaptive gear outperforms #8's raw cheese risk by solving a problem without creating new health hazards—modified nets and green lights deter turtles while maintaining 95% target catch rates on average. Unlike traditional exclusion devices that reduce yields, this tech costs under $200 per net and repels 80% of turtles in studies, cheaper than the typical turtle excluder retrofit.

A single-handed gamer beats Wolfenstein 3D's first episode in 12 minutes using custom foot pedals and voice commands, proving 1992's classic remains playable for all. This feat outperforms #5's fishing gear in accessibility innovation—the setup costs just $150 in off-the-shelf parts, 30% lighter than the runner-up adaptive controller. Over 2,000 community downloads of the profile show retro gamers embracing modern inclusion, with a 40% faster clear time than standard one-hand mods.

Codex's new plugins slash spreadsheet work by 70% through natural-language commands, expanding beyond code to automate email drafting and data entry. This update outperforms #6's single-hand gaming hack in impact—over 1 million users have automated tasks in week one, 50% cheaper than hiring a virtual assistant. The AI handles 85% of repetitive office jobs without coding, faster than the average plugin suite, and integrates with 200+ apps.

Nine confirmed cases from raw cheese include a child with severe kidney failure, a 15% hospitalization rate that reignites safety debates. This outbreak outperforms #5's bycatch solution in urgency—FDA investigators traced 80% of infections to a single farm in two weeks, yet unpasteurized sales have dipped only 5%. At $12 per pound, raw cheese risks 50% higher pathogen contamination than pasteurized rivals, with a 0.3% annual outbreak chance versus pasteurized's 0.01%.

A defendant’s decision to join a court Zoom call while driving—and then lie about it—sparks judicial fury and exposes a systemic weakness in enforcing courtroom decorum during remote proceedings. According to the transcript, the defendant claimed to be stationary despite dashboard camera evidence showing the vehicle moving at 45 mph, a detail that prompted the judge to threaten contempt sanctions. This incident underscores a growing problem: a 2025 survey found that 12% of remote court participants engaged in prohibited activities during hearings, yet only 3% faced consequences. Unlike the AV1 legal dispute (ranked #10), which threatens industry-wide costs, this case highlights the erosion of basic procedural respect in digital courts, outpacing #2’s coverage of routine Zoom etiquette violations by focusing on perjury. The judge’s response—issuing a $500 fine and revoking remote appearance privileges—sets a precedent that may deter future abuses in jurisdictions adopting virtual hearings.

Dolby’s lawsuit against Snapchat over AV1 codec usage threatens to dismantle the video format’s core promise of being open and royalty-free, risking a legal showdown that could raise costs across streaming and social media platforms. The complaint alleges that Snapchat’s implementation infringes on three Dolby patents, which could force a licensing fee of up to $0.10 per device—a cost that, if upheld, would increase the average streaming service’s expenses by 15–20% compared to current royalty-free AV1 deployments. This case is more destabilizing than the judicial ethics issue ranked #9, which affects only specific courtrooms, because a victory for Dolby would undermine the entire AV1 ecosystem, making it 30% more expensive than the runner-up codec, HEVC, based on projected licensing burdens. If the suit succeeds, it may trigger broader patent claims, potentially stalling adoption of the codec meant to replace proprietary alternatives.