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The Earliest Known Dental TreatmentNeanderthals used stone drills to treat cavities almost 60,000 years ago in what is the earliest known evidence of dental treatment. This groundbreaking discovery challenges previous assumptions about Neanderthal capabilities and reveals their sophisticated approach to medical care.The Discovery in SiberiaThe single molar, unearthed in a cave in southern Siberia's Chagyrskaya site, features a deep hole that appears to have been created using a sharp, thin stone tool during the lifetime of the tooth's owner. The tooth, dated to be 59,000 years old, was found alongside the remains of Neanderthals and thousands of stone tools that have been excavated at the site.Scientific Evidence of Ancient DentistryThe lower molar features a deep hole in the centre of the tooth extending into the pulp cavity. Microscopic X-ray imaging revealed changes in mineralization that indicated severe tooth decay. Researchers conducted experiments on three modern human teeth to demonstrate that a hole of the same shape and patterns of microscopic grooves could be created by manually rotating a narrow, elongated tool made from local jasper between two fingers. Penetrating the dentin using this approach took between 35 and 50 minutes of continuous work.Expert Analysis of the ProcedureDr. Kseniya Kolobova, an archaeologist at the Siberian branch of the Russian Academy of Sciences, noted that this discovery "powerfully reinforces the now well-supported view that Neanderthals were not the brutish, inferior cousins of outdated stereotypes but a sophisticated human population with complex cognitive and cultural capacities."A dental professor who reviewed images of the tooth rated the Neanderthal's work as "a decent job." Justin Durham, a professor of orofacial pain at Newcastle University and the British Dental Association's chief scientific adviser, stated: "If I was marking this for a dental student, I wouldn't give it an A, but given the circumstances it's pretty impressive."Implications for Understanding Neanderthal CapabilitiesThis discovery represents the first time dental drilling has been demonstrated outside of Homo sapiens, and it is the oldest example of such behavior by more than 40,000 years. The smoothed edges of the drilled cavity and wear patterns inside it suggest the individual survived and continued to chew with the tooth for some time after the procedure.Dr. Lydia Zotkina, an archaeologist at the Russian Academy of Sciences and co-author, emphasized the remarkable strength of will required: "What struck me, and continues to strike me, is what an incredibly strong-willed person this Neanderthal must have been. They must have surely understood that although the pain of the procedure was greater than the pain of the inflammation, it was only temporary and had to be endured."This finding adds to previous evidence of Neanderthals caring for the sick and vulnerable group members, including an adult man with a withered arm and deformities in both legs, and a child with Down's syndrome who survived until at least the age of six. The latest discovery reveals not only compassion, but an impressive level of self-control by the patient and advanced technical skills by the practitioner.

The Lead The United States Centers for Disease Control and Prevention (CDC) has released data showing that deaths from drug overdoses fell by nearly 14 percent in 2025, continuing a third consecutive year of decline. Drug Overdose Deaths in Decline The data released on Wednesday shows that the US saw nearly 70,000 predicted overdose deaths in 2025, down from more than 81,000 in 2024. The downward trend has been welcomed in the US, which has struggled with a devastating overdose crisis fuelled largely by synthetic opioids. The Data Analysis Overdose deaths peaked during the COVID-19 pandemic, with 110,000 recorded in 2022, a surge associated with social isolation and obstacles to accessing treatment services. Experts have attributed the decline to various factors, such as wider availability of the overdose treatment naloxone, commonly sold under the brand Narcan. The Impact Analysis Testing strips that can detect fentanyl are also more common now, and regulatory changes in China have limited access to the chemicals used to manufacture the drug. While overdose deaths declined in most US states in 2025, seven states saw increases. In Arizona, Colorado and New Mexico, overdose deaths increased by 10 percent or more. The Prediction “I’m cautiously optimistic that this represents really a fundamental change in the arc of the overdose crisis,” Brandon Marshall, a Brown University researcher who studies overdose trends, told The Associated Press news service. The administration of President Donald Trump has pointed to the decrease overall as validation of its crackdown on drug trafficking.

In a California federal courtroom, Sam Altman—CEO of OpenAI—was grilled by a team of lawyers led by Steve Molo on whether he is fit to oversee the most advanced AI models, echoing questions first raised during his 2023 congressional testimony. Federal Court Examines Altman's Eligibility to Govern Advanced AI Altman testified before Senator John Kennedy in May 2023, denying equity in OpenAI while acknowledging health‑insurance compensation. During the trial, Molo highlighted Altman's undisclosed economic exposure through a limited‑partner stake in the Y Combinator fund. Witnesses, including former board members Helen Toner and Tasha McCauley, accused Altman of misleading the board in 2023. OpenAI and Microsoft representatives, such as Satya Nadella and Bret Taylor, defended the current governance structure. Implications for OpenAI Governance and Investor Confidence The courtroom focus extends beyond Altman's personal credibility to the broader question of whether OpenAI’s nonprofit board can truly control its for‑profit operations. Musk’s legal team argues that the 2023 board ouster demonstrates Altman's de‑facto control, while OpenAI’s counsel insists the board retains decisive authority. Potential Outcomes for OpenAI's Corporate Structure Judge Yvonne Gonzalez Rogers and the jury will weigh whether the existing governance model aligns with OpenAI’s mission. A ruling that limits Altman's authority could trigger restructuring of the board‑for‑profit relationship, whereas a decision affirming current controls would preserve the status quo and likely reassure investors.

The LeadFrench authorities have temporarily prevented 1,233 passengers and 514 crew from leaving the British cruise ship Ambition docked in Bordeaux after nearly 50 suspected gastroenteritis cases were reported on board. The vessel, carrying mostly British or Irish nationals, arrived in southwestern France on Tuesday evening, prompting immediate health precautions.Cruise Ship Quarantine in BordeauxThe Ambition had traveled from Belfast and Liverpool before arriving in France. In a statement on Wednesday, the regional health authority confirmed there was no indication the apparent stomach flu outbreak was linked to a hantavirus cluster reported on another luxury ship. Officials emphasized that the restriction on disembarkation was a precautionary measure while medical tests were carried out.Health Response and Passenger ImpactCruise operator Ambassador Cruise Line reported that 48 passengers and one crew member were displaying gastrointestinal symptoms as of Wednesday morning. The company immediately enhanced sanitation and prevention measures on the vessel. All shore excursions at Bordeaux were canceled, and affected passengers were offered full refunds. Ambassador Cruise Line confirmed that once clearance is granted, guests will be permitted to disembark.Industry Implications for Cruise TravelThis incident highlights the ongoing challenges cruise ships face regarding health outbreaks in enclosed environments. Gastrointestinal illnesses are relatively common on cruise ships because viruses can spread quickly. The US Centers for Disease Control and Prevention has already reported four outbreaks on cruise ships this year, including cases linked to E coli and the norovirus. Ambassador Cruise Line, a no-fly British operator targeting passengers above the age of 50, was founded in 2021 by Christian Verhounig, the former chief executive of Cruise & Maritime Voyages, which went into administration in 2020.Public Health DistinctionHealth officials stressed that gastroenteritis, often referred to as stomach flu, commonly causes vomiting and diarrhea. While highly contagious, it is usually not serious although it can sometimes lead to complications such as dehydration. They emphasized that this illness differs significantly from the hantavirus, which has a much higher fatality rate but rarely spreads between people and generally requires close contact for transmission.Tragic Incident Unrelated to OutbreakOne 92-year-old British passenger had died on board of cardiac arrest on Monday during a stop in Brest, Brittany, in northwestern France. The Gironde prefecture confirmed that this death did not appear to be associated with the gastrointestinal outbreak at this stage, providing some relief to health officials managing the situation.

Smithsonian's Monumental Celebration of America's 250 Years To paraphrase the musical Rent, 131,487,300 minutes – how do you measure, measure 250 years? Especially in a country navigating an election year fraught with divisions and disagreements over basic facts? That is the challenge facing the Smithsonian National Museum of American History in Washington DC as it marks the semiquincentennial of US independence. The museum's answer is with 250 objects that tell the American story, ranging from a revolutionary war-era gunboat to gloves worn by a "Miracle on Ice" hockey player, from Thomas Jefferson's desk to a Donald Trump fan's "Make America great again" hat. A Museum-Wide Journey Through American History Opening on 14 May, "In Pursuit of Life, Liberty & Happiness" will display 250 objects encompassing 250,000 sq ft across all three floors of the museum. They range from old to new, from big to small and from sublime to mundane. Seventy-six of them – many rarely or never seen by the public – will be concentrated in cases lining the entry halls, while the remainder will be embedded throughout the museum's existing galleries, connected by a "ribbon" design to guide visitors on a historical treasure hunt. Each is paired with an action verb to underscore the view of democracy as a "highly participatory sport." Among the star attractions is the Philadelphia, a 53ft, flat-bottomed wooden gunboat constructed in the chaotic, sweltering summer of 1776. On a recent preview tour, visitors stepped into a climate-controlled enclosure at the museum where the air was thick with the scent of 100% acetone. Behind viewing windows that allow the public to see the work in progress, two conservators clad in headlamps and respirators were meticulously wielding soft and stiff bristle brushes, dental picks and wooden dowel rods to strip away decades of accumulated lacquer from a rusted iron cannon and its surrounding timber. By the Numbers: The Scale of the Exhibition The exhibition features 250 objects spread across 250,000 square feet of museum space. Seventy-six of these objects – many rarely or never seen by the public – will be concentrated in cases lining the entry halls. The Philadelphia gunboat itself weighs 16,000 pounds and was constructed in 1776. The wreck languished underwater for 159 years before being salvaged in 1935, fully intact with its armament and hundreds of artifacts scattered across its deck. When raised, the boat revealed about 600 to 800 items, including cannons, carriages, wheels, a stew pot, a melting pot for pitch, shoe leather, buttons from regimental coats, and even a leather button that was probably from someone's breeches. Reframing America's Complex Narrative "How do you structure a commemoration, celebration and time for reflection?" asks Anthea Hartig, the museum's director. "What we landed on were those moments where individuals or communities had fought for recognition and advocated for their own sense of identity and self in their role in creating and becoming a part of the United States. But we also wanted to do the playful." Hartig describes the US as "amazing, beautiful, complicated", and cites the African American writer James Baldwin's celebrated observation: "American history is longer, larger, more various, more beautiful, and more terrible than anything anyone has ever said about it." The exhibition captures both the monumental and the intimate aspects of American history. Alongside iconic items like Thomas Jefferson's portable desk on which he drafted the Declaration of Independence, the Star-Spangled Banner that inspired the national anthem, and George Washington's military uniform, are personal artifacts like a faux-pearl necklace worn by Abigail Adams in the mid-18th century. The Future of Historical Commemoration Hartig adds: "We believe that this anniversary is so important not only to the nation but the world, and that our past 250 years are filled with so much history that it takes an entire museum to do it justice." The exhibition also incorporates modern technology to enhance the visitor experience, including a virtual reality experience that transports visitors back to the Philadelphia's construction 250 years ago. As the museum continues to preserve and interpret America's complex past, the exhibition represents a new approach to historical commemoration – one that embraces the full spectrum of American experiences, from the revolutionary to the contemporary, and from the sublime to the mundane.

The President’s Defiant Stand Amid Growing Impeachment PressureIn a televised address on Monday, 13 May 2026, President Cyril Ramaphosa declared he will remain in office despite renewed calls for his resignation following a court decision that sent the “Farmgate” scandal back to Parliament. Details of the Farmgate Cash‑in‑Sofa AllegationsThe controversy stems from a 2020 burglary at Ramaphosa’s Phala Phala game farm in Limpopo, where thieves allegedly stole more than $580,000 and concealed the cash inside a sofa. Accusations include: Cover‑up of the theft and failure to report it to police as required by anti‑corruption law. Possible money‑laundering linked to the origin of the foreign currency. Earlier parliamentary panel findings that the president “may have committed” serious violations. The Economic Freedom Fighters (EFF) challenged the ANC‑led Parliament’s 2022 decision to reject the panel’s report, prompting the Constitutional Court to refer the matter to a multi‑party impeachment committee. Parliamentary Numbers and the Impeachment ThresholdSouth Africa’s National Assembly comprises 400 seats. To remove a president under Section 89 of the constitution, a two‑thirds majority—at least 267 votes—is required. Current party composition: African National Congress (ANC): 159 seats (≈40 % of the chamber). Democratic Alliance (DA): 87 seats. Various smaller parties and coalition partners hold the remaining seats. Analyst Chris Ogunmodede notes that the arithmetic makes impeachment “highly unlikely” unless coalition partners withdraw support. Political Fallout and Coalition DynamicsThe scandal threatens the ANC’s already declining popularity—its national vote share fell from 57.5 % in 2019 to 40.2 % in 2024, its worst performance since apartheid. While the ANC governs in a coalition with the DA and smaller parties, the EFF’s court victory has intensified pressure on Ramaphosa to either resign or face a protracted parliamentary inquiry. Beyond impeachment, the opposition can pursue a no‑confidence motion, which requires only a simple majority. However, the ANC’s coalition still controls enough seats to block such a motion unless internal dissent grows. Outlook: Can Ramaphosa Weather the Storm?Short‑term, the impeachment committee’s investigation could take several months, and Ramaphosa has pledged to seek judicial review of any adverse findings, potentially delaying outcomes further. Long‑term, the president’s survival hinges on maintaining coalition cohesion and navigating public discontent over corruption. If the ANC’s internal arithmetic holds, Ramaphosa is likely to stay in power, but the “Farmgate” scandal may accelerate calls for leadership change within the party and erode its credibility ahead of the next election cycle.

The Lawsuit Against Meta California’s Santa Clara county has sued Meta Platforms, alleging it has profited from Facebook and Instagram ads promoting scams in violation of California’s false advertising and unfair business practices laws. Allegations of Tolerating Fraudulent Advertising The lawsuit – filed on Monday in Santa Clara county superior court on behalf of all California residents – accuses the social media giant of tolerating fraudulent advertising on a global basis. The suit seeks restitution, civil damages and an order prohibiting Meta from engaging in unfair business practices. Revenue from High-Risk Scam Ads Citing leaked internal documents first reported by Reuters last year, the complaint alleges that the company earned as much as $7bn in annual revenue from so-called “high-risk” scam ads which show clear signs of being fraudulent. Meta's Response and Defense Meta said it intends to defend itself against the claim. “This claim relies on Reuters reporting that distorts our motives and ignores the full range of actions we take to combat scams every day,” said a Meta spokesperson, Andy Stone. “We aggressively fight scams on and off our platforms because they’re not good for us or the people and businesses that rely on our services.“ The Impact on Users and the Legal Proceedings In the suit, Santa Clara alleges that Meta materially contributed to an epidemic of fraud by allowing middlemen to sell accounts to place ads that were protected against enforcement, and targeting scam ads at users who had clicked on similarly bogus offerings in the past. The county will retain full control over decisions involving the case, and outside law firms will only be paid if the county wins.

The Shift in Strategic Focus: From Iran to GazaIsrael has pivoted its military strategy, redirecting its firepower from Iran back to the besieged Gaza Strip following the suspension of joint US-Israel strikes. This strategic shift marks a significant escalation in the ongoing conflict, as the Israeli military shifts its primary operational focus back to the Palestinian enclave after a period of targeting Iranian assets.The ACLED Report and Rising ViolenceConflict monitor ACLED has documented a clear uptick in hostilities in the region. The report indicates that Israel has carried out 35 percent more attacks in April compared to March. This surge in activity suggests that despite the cessation of joint bombing campaigns against Iran, the intensity of the war in Gaza has not diminished.Quantifying the Surge: 35% Increase and CasualtiesAttack Frequency: A 35% increase in Israeli attacks in April versus March.Palestinian Casualties: 120 Palestinians killed since the US-Israel war on Iran halted on April 8, representing a 20 percent increase compared to the previous five weeks.Total Toll Since Ceasefire: Approximately 850 Palestinians have been killed since the ceasefire took effect.Israeli Casualties: At least 4 Israeli soldiers have been killed by Palestinian armed groups during the same period.The 'Ceasefire' Illusion: Ground Reality vs. Political DeclarationThe situation on the ground contradicts the political narrative of a truce. While a “ceasefire” agreement mediated by the US and Qatar aimed to halt major fighting, Israeli forces have not withdrawn from the territory. The military continues to occupy more than half of Gaza’s territory, demolishing buildings and ordering residents out.“It stopped in the announcement, but in reality and on the ground, the war has not stopped,” said Lafi al-Najjar, a blind Palestinian whose son was killed in an attack on April 28. Living in a shelter in the ruins of Khan Younis, al-Najjar represents the civilian reality of a population living under severe restrictions on aid and in damaged structures.The Enduring Conflict: A War Without a PauseThe conflict shows no signs of abating. With Hamas fighters maintaining de facto control and Israeli forces continuing their ground invasion and air campaign, the region remains volatile. The simultaneous escalation in Lebanon further complicates the security landscape, indicating that the broader regional war remains a persistent threat despite the temporary suspension of strikes against Iran.

U.S. President Donald Trump is confronting a shrinking set of diplomatic and military choices as the fragile cease‑fire with Iran shows signs of unraveling.Escalating Tensions as the US‑Iran Ceasefire StallsOptimism for a new peace proposal evaporated this week, with both sides digging in and demanding the other concede first. Trump has described the April 8 cease‑fire as being on “life support,” while senior officials hint at a possible resumption of hostilities. Tehran’s demands – an end to fighting on all fronts, lifted sanctions, and recognition of its control over the Strait of Hormuz – have been dismissed by Trump as “garbage.”Polls and Market Numbers Reveal Growing Domestic PressureTwo‑thirds of Americans surveyed by Reuters/Ipsos say Trump has not provided a clear rationale for the war.Gas, oil and fertilizer prices are climbing, amplifying public discontent.Trump’s approval rating sits at 36%, down from 47% a year ago.The cease‑fire, in place since April 8, remains fragile, with recent missile and drone attacks on the UAE testing its limits.Strategic Consequences for the Middle East and US Global PostureA renewed US‑Israel bombing campaign could strain Washington’s ammunition stockpiles and divert attention from the Indo‑Pacific, where China remains a primary concern. The Center for Strategic and International Studies warns that the Iran conflict has already eroded US readiness for other confrontations. Moreover, Iran’s hardened stance and resilient military posture suggest that further escalation may not force the concessions Washington seeks.What Path Might Trump Take Next?Analysts argue Trump will have to prioritize either a nuclear‑deal concession or control of the Strait of Hormuz, likely favoring the former to protect energy markets. Any escalation risks a broader regional war and could become a decisive liability in the upcoming mid‑term elections. The most plausible scenario is a negotiated settlement that limits Iran’s nuclear program while leaving the Hormuz issue unresolved, allowing Trump to claim a diplomatic win while managing domestic political fallout.