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Sudan's governance question is drawing attention as Washington declines to recognise either rival authority. The army-backed administration controls much of the formal state apparatus, while the Rapid Support Forces exercises power across territory it holds. US officials say neither side represents legitimate constitutional governance, leaving Sudan with effective authorities but no internationally recognised government, and raising questions about diplomacy, legitimacy and the country's political future.

Gold from Venezuela that was brought into the United States under the Trump administration is reportedly being refused by American refiners, who are unwilling to process it. The standoff highlights lingering legal and political complications around Venezuelan gold and sanctions policy, with the metal effectively stuck despite its arrival on U.S. soil.

Fitness commentators are fueling intense debate about peptides, with bodybuilding educator Jeff Nippard drawing massive attention for calling them 'insane'. The discussion centers on peptide use for muscle growth and recovery in the fitness community, where interest in these compounds has surged. Viewers are weighing their effectiveness, safety, and legality in training contexts.

A trial of live facial recognition cameras at London railway stations scanned around 500,000 faces and produced no arrests, with a single false positive reported. Critics point to the results as evidence that the technology's effectiveness and civil-liberties costs deserve renewed scrutiny, amid ongoing debate over police use of facial recognition in public spaces.

WhatsApp has introduced a new parental control feature that gives parents more oversight of their teenage children's accounts, aiming to protect teens from online scams and cyber criminals. In a separate announcement, the company confirmed changes to WhatsApp Business Platform pricing taking effect from October 1, prompting businesses to review how the updates will affect their messaging costs.

Personal finance tool Turbobulls has rolled out a feature measuring inflation against a user's own money rather than the headline consumer index. Hovering a date on the net worth chart shows what that day's cash and investments would buy today, the wallet displays how much idle cash has lost to inflation, and the portfolio includes an inflation break-even line. The tools are limited to paying Turbo Pro subscribers, prompting some discussion about paywalling basic inflation insight.

An educator named Ekta Soni is drawing large attention with a study strategy promising students can go from zero preparation to 98% in the Class 12 board exams in 2027, using just the final three months. The plan, focused on biology, has drawn strong engagement from students looking for a top-score roadmap ahead of the boards.

New Jersey health officials are reminding residents to keep taking precautions against mosquito-borne illnesses. The advisory, published on the state's official website, urges people to use insect repellent, remove standing water, and cover exposed skin as mosquito season continues. State authorities stress that prevention remains the most effective defense against diseases carried by mosquitoes.

Users of Ozempic and similar GLP-1 weight-loss and diabetes drugs are reporting nail problems, adding to earlier complaints of hair loss. The reports suggest the medications' side effects may extend beyond the widely known digestive issues, prompting discussion among patients and clinicians about how the drugs affect hair, nails and overall tissue health during rapid weight loss.

A new report examines the thriving underground trade in restricted high-end Nvidia AI chips, which continue to reach buyers in China and elsewhere despite tightening US export controls. Smugglers route GPUs through intermediaries in third countries, and Washington's repeated rule tightenings have failed to stop the flow. Commenters are debating whether export controls can ever work for commodity hardware, and what the trade means for US AI strategy.

State data shows hundreds of thousands of immigrants with legal status are at risk of losing government health coverage starting October 1, suggesting the impact of Medicaid changes in President Donald Trump's 2025 signature legislation may be greater than anticipated. Advocates and policy analysts are warning that enrollees could be dropped from coverage despite having lawful status, raising concerns about access to care and the scope of the law's effects.

A new explainer breaks down why Gargantua, the black hole in Interstellar, was not just a visual effect: nearly everything on screen follows the laws of gravity. The piece covers what the black hole's shadow actually is, why the accretion disk appears bent above and below it, what the photon ring represents, and which details the filmmakers chose to leave out for clarity.

A New York Times report examines pay advance apps that let workers tap wages early, arguing their fees can add up to costs far higher than users realise, effectively functioning like high-rate borrowing. The piece walks through how fees and tips compare with traditional credit, prompting readers to reconsider whether these services are a cheap lifeline or an expensive habit.

A slowdown in U.S. hiring is drawing attention as a possible signal of broader weakness in the American economy. Analysts and commentators are weighing whether softer job growth points to cooling demand, the lingering effects of higher interest rates, or a normal settling after years of unusually strong employment gains.

A viral post is drawing attention to just how enormous whales are, describing how impossible it is to grasp their true size until one is seen next to a fishing boat in the open ocean. Readers are sharing the comparison, with many noting that photos rarely capture the scale of these animals as effectively as seeing one alongside a small vessel.

Legal analysts are examining who, under the Gaza peace plan, bears responsibility for the treatment of 'protected persons' and what obligations that role entails. The question turns on international humanitarian law: whoever exercises effective control over people in Gaza must ensure protections owed to civilians, including humane treatment and basic guarantees. The debate highlights how ambiguities in the plan could leave accountability for civilian welfare unclear.

A widely shared history item recounts how the Knights Templar, the medieval military order, effectively issued the first international travellers' cheques. Pilgrims travelling to the Holy Land could deposit funds with the order in Europe and withdraw equivalents along the route, avoiding the dangers of carrying coin. The piece highlights the Templars' little-known role as early international bankers.

Graphics programmer Aras Pranckevičius has published a blog post on implementing a fast blur effect whose radius can be animated smoothly, aimed at real-time rendering work. The writeup walks through a technique that keeps the blur efficient while allowing the radius to change per frame, a common need in games and user interfaces. Readers on Hacker News are discussing the implementation details.

Thuringia politician Bodo Ramelow has spoken out about growing radicalization, saying it is making society 'evil'. In remarks reported by T-Online, he addressed the role of social media, the political left and the conditions fueling extremism in Germany.

Fortune examines what the bond market reveals about Congress, the growing national debt and pressures on the American middle class, and considers where the United States goes from here. The piece links rising US borrowing costs to political dysfunction in Washington, arguing that debt trajectories increasingly shape the economic prospects of ordinary households.

A new paper in an American Physical Society journal proposes measuring the fidelity of implementation of named active learning methods in physics education. The work addresses how faithfully instructors actually apply methods like peer instruction and flipped classrooms as designed, a factor that complicates comparisons of teaching effectiveness across studies and classrooms.

Researchers at the University of Essex report that butterflies employ optical illusions to evade predators. The study suggests wing patterns create visual effects that confuse attacking animals, giving butterflies extra fractions of a second to escape. The findings add to understanding of how prey species evolve deceptive visual traits for survival, and the work has drawn attention on research discussion sites.

Sean O'Mara, a physician and lawyer focused on health and performance, has released what he calls a definitive guide to the carnivore diet, an eating approach based entirely on animal products. The guide has drawn strong engagement, reflecting continued public interest in meat-only diets for weight loss and performance, alongside ongoing debate among nutrition experts about their safety and long-term effects.