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Researchers from the Swedish University of Agricultural Sciences have demonstrated that trace amounts of cocaine and its primary breakdown product, benzoylecgonine, can alter the movement and activity of juvenile Atlantic salmon released in Lake Vättern, Sweden’s second‑largest lake. Key Developments Two‑year‑old hatchery‑reared salmon were implanted with devices releasing environmentally realistic concentrations of cocaine or benzoylecgonine; a control group received drug‑free implants. All fish were equipped with acoustic transmitters and released into the south‑west corner of Lake Vättern (≈ 2,000 sq km). Over a two‑month tracking period, drug‑exposed salmon showed heightened activity toward the study’s end. In the final two weeks, cocaine‑exposed fish swam 5 km farther than controls; metabolite‑exposed fish swam 14 km farther – roughly double the distance. Metabolite‑exposed salmon also moved 12 km farther north than unexposed fish, indicating a stronger behavioural impact. Data & Market Impact Average daily movement increase: +5 km (cocaine) and +14 km (benzoylecgonine) compared with control. Spatial expansion represents a ~150‑200% increase in range for metabolite‑exposed fish. Potential ecosystem cost: altered predator‑prey dynamics could affect commercial fisheries valued at several hundred million euros in the region. Why This Matters Salmon that expend more energy traveling farther may experience reduced growth rates, impacting both wild populations and aquaculture operations. Increased exposure to open‑water zones raises predation risk, potentially lowering survival rates and affecting biodiversity. Drug residues entering waterways stem largely from raw sewage overflows, highlighting a gap in current wastewater‑treatment efficacy. Findings underscore a broader, under‑recognized threat: pharmaceutical metabolites can act as ecological stressors comparable to traditional pollutants. Expert Insight Dr Jack Brand emphasizes that the metabolite’s stronger effect suggests risk assessments that ignore degradation products may vastly underestimate environmental harm. Prof Leon Barron of Imperial College London points out the need for field validation, noting that laboratory‑derived behavioural shifts must be corroborated in naturally polluted habitats. Both scientists agree that improved wastewater infrastructure—particularly the reduction of raw sewage discharges—could mitigate exposure, while pharmaceutical manufacturers are urged to develop “green” drugs that break down harmlessly. What Happens Next Regulators may expand monitoring programs to include illicit‑drug metabolites alongside conventional contaminants. Further field studies are likely to assess whether similar behavioural changes occur in other species such as trout and perch. Policy pressure could accelerate the adoption of advanced treatment technologies (e.g., ozonation, activated carbon) capable of removing benzoylecgonine. Pharmaceutical firms might face incentives—or mandates—to design molecules with rapid, benign degradation pathways.

The Democratic Republic of the Congo and the M23 rebel coalition commenced a new round of negotiations in Switzerland on Monday, with mediation provided by the United States and Qatar. The talks aim to halt the persistent violence that has continued despite a December peace accord signed in Washington.During the Geneva session, both parties signed an interim peace‑monitoring mechanism, according to Radio France Internationale. The framework creates a joint body tasked with tracking humanitarian and security developments and flagging any ceasefire violations. Representatives from the DRC government, the M23 coalition, and the United Nations Organization Stabilization Mission in the Democratic Republic of the Congo (MONUSCO) will staff the mechanism.Al Jazeera correspondent Alain Uaykani, reporting from Goma, described the situation on the ground as "very fragile," with each side accusing the other of breaching previous truces. He highlighted the town of Minembwe in South Kivu, where thousands of civilians are caught in crossfire between rival armed groups.Local residents hope that mediators will press both sides to honor the newly‑established monitoring body, after a series of failed agreements. The conflict has intensified since early 2025, when the M23 seized large territories, including the provincial capitals Goma and Bukavu.In December, Congolese President Felix Tshisekedi and Rwandan President Paul Kagame signed a "historic" peace and economic agreement in Washington, a move that was widely criticized as overlooking Rwanda's alleged support for the M23 rebels. Separate Qatar‑mediated talks have also taken place, yet clashes resumed almost immediately after the December deal.Human Rights Watch issued a statement on Tuesday condemning both parties for obstructing aid deliveries and preventing civilians from fleeing the highlands of South Kivu. Clementine de Montjoye, senior Great Lakes researcher at the organization, warned that the region faces a "dire humanitarian crisis" and that the conflict remains "vastly under‑reported."The newly‑formed monitoring mechanism, supported by MONUSCO, represents the latest diplomatic effort to stabilize eastern Congo and protect vulnerable populations, even as fighting continues to flare in the highland areas of South Kivu.

Pet owners in Britain may soon be barred from purchasing flea‑control products for cats and dogs at local shops. The government has opened an eight‑week public consultation to consider restricting sales to veterinarians or pharmacists, arguing that professional oversight will ensure correct usage and reduce environmental harm. Current regulations allow these topical treatments—containing potent insecticides such as fipronil and imidacloprid—to be bought in any pet store. Once applied, the chemicals disperse into the animal’s fur, enter waterways through washing or swimming, and have been linked to songbird nest failures and massive bee mortality. Water minister Emma Hardy emphasized the government’s commitment to “restore nature and clean up our rivers,” noting that while the products are vital for pet health, their distribution should be limited to professionals who can advise on safe application. Research funded by the Veterinary Medicines Directorate (VMD) found that pet owners’ use of these treatments contributes to detectable levels of fipronil and imidacloprid in rivers and lakes. Environment Agency data reveal fipronil residues in 98% of water samples and imidacloprid in 66%, often exceeding toxicity thresholds for aquatic insects. One monthly flea treatment for a large dog contains enough imidacloprid to kill 25 million bees, underscoring the broader impact on pollinator populations. In the UK, fipronil is an ingredient in 66 veterinary products, while imidacloprid appears in 21. Abigail Seager, chief executive of the Veterinary Medicines Directive, acknowledged the dual role of these chemicals in protecting pets and people from parasites, but warned that “they are entering our waterways and may be having wider environmental impacts.” She called for diverse stakeholder input to balance medicine availability with ecological protection. The consultation follows a recent governmental pledge to ban imidacloprid and two other neonicotinoids—clothianidin and thiamethoxam—from agricultural use, reflecting a broader strategy to safeguard biodiversity.

Lake Erie, a vital source of freshwater for millions of people, has faced significant pollution challenges for decades. In the 1960s, the lakes and rivers around Cleveland were so polluted that they frequently caught on fire. While water quality has improved since then, the lake still struggles with poor water quality due to chemical runoff and pollution. The 2025 State of the Great Lakes report found that Lake Erie ranks poorly for pollution caused by chemical runoff and is consistently one of the top five most polluted lakes in the US. Over 5.5 billion gallons of freshwater are drawn from the lake daily to meet industrial and consumer needs, highlighting the importance of addressing these pollution issues. In response, the Cleveland Water Alliance, a non-profit organization, is working with over 300 companies, research institutions, and government agencies to develop clean water solutions for Lake Erie. The alliance has deployed hundreds of sensor buoys across the western section of the lake to observe and detect various water-related factors, including E. coli, algal blooms, and turbidity levels. Researchers at Case Western Reserve University have incubated research for a pilot program technology that can capture 90% of microplastics down to 50 microns in washing machines, preventing these materials from entering the lake. Other projects are recording solar radiation, dissolved oxygen levels, and water and air temperatures. Korean companies have also come to the area to test electrochemical water treatment methods in Lake Erie's water. The alliance's efforts aim to position Lake Erie as an open-air research facility, driving innovation and solutions to address the lake's pollution challenges. Despite these efforts, environmentalists say the challenges to cleaning up the lake are huge. A 40% reduction in phosphorus is needed to minimize blooms, with about 90% of phosphorus entering the western Lake Erie basin coming from agricultural runoff. The manure problem is also a growing concern, with the increasing number of livestock operations in the area contributing to pollution. The Cleveland Water Alliance's initiatives, such as the development of a system for making commercial-grade sodium hypochlorite on site, aim to promote technologies for wintertime monitoring of aquatic life activity and behavioral changes as well as levels of water turbidity. By leveraging data and innovation, stakeholders hope to improve the lake's water quality and mitigate the impacts of pollution.

Brian Cox’s latest live show, ‘Emergence’, draws its spark from Johannes Kepler’s 1609 treatise ‘The Six‑Cornered Snowflake’. Cox explains that Kepler’s wonder at the symmetry of snowflakes, written during a Prague snowstorm, embodies the modern scientific quest to understand the origins of patterns we observe.He says the show explores three realms: what we know, what we don’t know, and what may remain unknowable. This framework sets the stage for his reflections on the biggest unanswered questions in science.If he could answer any scientific mystery, Cox would choose the existence of life beyond Earth. He points to current missions—two spacecraft heading to Jupiter’s moons and the James Webb Space Telescope probing exoplanet atmospheres—as promising avenues that might soon reveal a biosignature.When asked about the future of technology, Cox warns that the trajectory of artificial intelligence is still opaque, making it both thrilling and potentially hazardous. He adds that quantum computing is another frontier with wildly divergent timelines—some experts see breakthroughs within five years, others doubt they’ll arrive in a lifetime—highlighting the revolutionary yet unpredictable nature of these tools.Cox also reflects on his shifting stance toward social media. He admits moving from early optimism about its democratizing power to a more critical view of its noise and misinformation, while acknowledging its complex impact on politics and public discourse.On personal advice, Cox stresses the importance of following one’s passion: “Do what you most enjoy,” he says, recalling his own journey from a teenage musician to a celebrated astronomer, supported by parents who encouraged his interests.He shares a memorable fan encounter: at an ELO concert, a man introduced himself as Paul McCartney after asking a question about Saturn’s moon Enceladus—an encounter that left Cox “overwhelmed” as a lifelong Beatles fan.When asked about a pop‑culture stance, Cox admits he is largely out of touch, but notes that musical innovation seems to have plateaued since the 1980s, contrasting the rapid evolution of earlier decades.One of his favorite astronomical facts is the staggering number of observable galaxies: about two trillion. He highlights how, within a century, humanity moved from debating whether other galaxies existed to quantifying an immense cosmos, also measuring its age at roughly 13.8 billion years.Brian Cox will tour ‘Emergence’ across Australia from 5 to 30 May 2026.

Kara Lawson watched her Duke Blue Devils fall 70‑58 to the No. 1 UCLA Bruins in the Elite Eight, ending a 20‑year wait for a Final Four appearance. The loss followed a stunning buzzer‑beater upset of No. 2 seed LSU in the Sweet 16, but the Blue Devils couldn’t replicate that performance against UCLA.After the game, Lawson told reporters, "What a great season it’s been for us, and this group has been a joy to coach every day." She highlighted the team’s resilience after a rocky start that saw six defeats between early November and late December.Notre Dame’s season ended similarly, with a 70‑52 defeat to the defending champion UConn Huskies in the Elite Eight. Head coach Niele Ivey reflected on the journey, noting that the roster’s revival after a difficult 2025 season "gave me a lot of joy" and that coaching with joy makes her a better leader.Vanderbilt’s Commodores, coached by Shea Ralph, also saw their tournament run halted, losing 67‑64 to Notre Dame. Ralph, who inherited a program with strong support but limited recent success, deliberately built a culture of joy. Star guard Mikayla Blakes praised Ralph for restoring her love for the game, saying, "She found joy in my life and helped me enjoy basketball again."Looking ahead, the semifinals will feature two marquee matchups: South Carolina vs. UConn and UCLA vs. Texas. Both games promise high‑stakes basketball as the remaining teams vie for the championship.The tournament also underscores broader trends in women’s basketball. A decade ago, the NCAA reported that only 4.5% of high‑school players advance to college, and just 1.4% reach Division I. The WNBA’s expansion to 15 teams this season creates more professional slots, yet demand still outpaces supply, making the focus on joy and development all the more vital.Texas coach Vic Schaefer echoed the sentiment, describing the season as "the most fun" he’s had in over thirty years of coaching. With senior guard Rori Harmon preparing to graduate, Schaefer emphasized the team’s mission‑driven mindset and the pure enjoyment they find on the court.In a sport where the pipeline narrows at every level, the prevailing message from coaches and players alike is clear: joy remains the driving force that sustains teams through triumphs and setbacks alike.

Submersible hydroelectric systems are emerging as a pivotal component of North America’s clean‑energy strategy, especially as the Trump administration eliminates key subsidies for solar and wind. The technology, already proven in Alaska and Maine, is now being deployed in the densely populated Great Lakes corridor, where electricity demand and prices are climbing sharply. Last month, Ocean Renewable Power Company (ORPC) announced its first urban installation on the St Lawrence River in Montreal, slated to launch two carbon‑fiber turbine units later this year. ORPC’s CEO Stuart Davies highlighted the river’s “consistent, high‑velocity water” and estimated a 60‑90 MW resource potential for the Montreal area alone. In parallel, ORPC is preparing a second project on the Niagara River near Buffalo, New York, and plans a future deployment on the lower Mississippi River between Baton Rouge and New Orleans. The timing coincides with record electricity price spikes across the Great Lakes. New York’s public service commission approved substantial rate hikes in September, and further increases are scheduled for 2027, while Michigan and Ohio face similar pressures driven by data‑center expansion. These economic pressures are driving interest in marine‑based power. Unlike traditional hydropower, ORPC’s devices resemble “push‑lawn‑mower blades” and can generate between 0.5 MW and 5 MW continuously, offering a potential baseload for industrial users and a reliable backup during grid outages. Environmental considerations remain central. While Quebec benefits from long‑standing, low‑cost hydropower, U.S. projects endure an average eight‑year licensing timeline. Critics worry about impacts on fish and wildlife, though ORPC cites its Alaska deployment—operating since 2019 without recorded fish injuries despite massive salmon migrations—as evidence of minimal ecological risk. Researchers are also expanding the technology’s reach to slower‑moving waters. University of Michigan professor Michael Bernitsas demonstrated the Vivace system on the St Clair River, capable of harvesting energy from currents as low as 0.5 m/s, suggesting broader applicability across the Great Lakes watershed. Operating in fresh water offers a distinct advantage: the absence of salt eliminates corrosion, extending turbine lifespan and reducing costs compared with ocean‑based projects. Some European tidal installations have even anchored devices to riverbeds to avoid ice damage, a practice ORPC may adopt. Financially, the sector benefits from a 40‑50 % investment tax credit that remains intact, even as the Trump administration phases out Biden‑era subsidies for solar and wind. The National Hydropower Association confirms that marine‑energy tax incentives will stay in place through at least 2033, reshaping the competitive landscape and attracting inquiries from entities in over 70 countries. As electricity bills rise and policy shifts favor alternative renewables, submersible hydropower could become a cornerstone of the Great Lakes’ energy mix, delivering resilient, low‑carbon power while navigating regulatory and environmental hurdles.

Skye Edwards reflects on the song's impact: 'To me, 'The Sea' always felt very evocative and now whenever we perform it, I tell the audience to close their eyes and imagine they’re at the beach.' The song has taken Morcheeba on a journey around the world, performing at festivals in beautiful places by the sea or lakes.

Lachie Kennedy has once again outshone his fellow Queenslander, Gout Gout, in a captivating display of athleticism at the Maurie Plant Meet on Saturday. The 200m Peter Norman Memorial race saw Kennedy claim victory with a time of 20.38 seconds, despite challenging weather conditions.Gout Gout, just 18 years old and four years Kennedy's junior, put up a formidable fight but ultimately finished second, five hundredths of a second behind the winner. The young athlete expressed his determination to improve, stating, 'Today he got the win, but next time I’ll be better for sure.'Kennedy's win was a testament to his skill and strategy, as he managed to hold off Gout's late surge. The Queenslander had already impressed in the 100m event earlier in the evening, securing a time of 10.03 seconds despite blustery conditions.The rivalry between Kennedy and Gout has become a highlight of the Australian athletics season, drawing comparisons to iconic sporting duels. With the Brisbane 2032 Olympics on the horizon, their formative battles are set to captivate audiences in the lead-up to the Games.The event, attended by nearly 9,000 fans at Lakeside Stadium, showcased not only the prowess of Kennedy and Gout but also remarkable performances from other athletes. Cam Myers recorded the fastest 1500m time in Australia, while Claudia Hollingsworth and Nina Kennedy also delivered standout results in their respective events.