MAINSTREAM New Scientist

First treaty to protect the high seas comes into force

A landmark international treaty aimed at protecting the high seas from overfishing and environmental degradation has officially come into force, marking a significant milestone in ocean conservation. The agreement, ratified by 60 countries, establishes a legal framework for the conservation and sustainable use of marine biodiversity in international waters—areas beyond national jurisdiction that cover nearly half of the Earth’s surface. These waters, often described as a “wild west” due to the lack of regulation, are home to vast and largely unexplored ecosystems that support 95 percent of marine life habitats. The treaty enables the creation of marine protected areas (MPAs) in the high seas for the first time, addressing a critical gap in global ocean governance. While the treaty’s entry into force is a major achievement, the actual establishment of protected zones will require further negotiations at an inaugural conference scheduled for late 2026. Experts emphasize that this treaty represents a turning point in safeguarding the “blue heart of Earth,” which plays a crucial role in regulating climate and sustaining life. Conservationists are already targeting ecologically significant regions such as the Sargasso Sea in the Atlantic—known for its unique seaweed mats and as the spawning ground for American and European eels—and the hydrothermal vent ecosystems of the Lost City. In the Pacific, efforts focus on protecting underwater mountain ranges like the Salas y Gómez and Nazca ridges, habitats for whales, sharks, turtles, and swordfish. The treaty also includes provisions for sharing genetic resources discovered in international waters, which could advance medical research and biotechnology. The urgency of this agreement stems from the increasing industrialization of fishing, including destructive practices like bottom trawling and the emerging exploitation of deep-sea species in the mesopelagic zone. Previous regional fisheries management efforts have failed to prevent overfishing of more than half of the targeted stocks on the high seas. By establishing a global cooperative framework, the treaty aims to reverse biodiversity loss, promote sustainable fisheries, and enhance the resilience of ocean ecosystems amid mounting climate pressures.

16 hours ago

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MAINSTREAM BBC Health

Life-extending prostate cancer drug to be offered to thousands in England

A life-extending drug for prostate cancer, abiraterone, will soon be made available on the NHS in England to thousands of men with high-risk, non-metastatic prostate cancer. Previously, the drug was only accessible in England and Northern Ireland for patients with very advanced cancer that had already spread, while Scotland and Wales had provided it more broadly since 2023. This expansion of access is expected to benefit around 7,000 men annually, with estimates suggesting that approximately 560 lives could be saved by preventing the progression of the disease. The decision follows a sustained campaign led by patient Giles Turner and the charity Prostate Cancer UK. Turner, diagnosed with aggressive prostate cancer in 2023, had privately funded his treatment with abiraterone after discovering it was not available on the NHS in England for his condition. He expressed frustration over the delay in policy change but welcomed the announcement as a significant victory for equitable healthcare access. Prostate Cancer UK highlighted the importance of media coverage in maintaining public attention on the issue and emphasized the drug’s potential to reduce the risk of cancer progression and death. Abiraterone works by inhibiting the spread of prostate cancer, and its broader availability is based on evidence from clinical trials, including the STAMPEDE trial published in 2022, which demonstrated its effectiveness in extending life for men with high-risk prostate cancer. NHS England has confirmed the drug will be accessible within weeks, initially benefiting around 2,000 men diagnosed in the last three months who are deemed clinically suitable for the treatment. This move aligns England with other UK nations in providing earlier intervention for prostate cancer patients, potentially improving survival rates and quality of life for thousands.

22 hours ago

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MAINSTREAM New Scientist

Meat may play an unexpected role in helping people reach 100

A recent study conducted in China challenges the common perception that plant-based diets are universally superior for longevity, particularly among the oldest adults. Researchers analyzed data from a centralized health database tracking 5,203 individuals aged 80 and above who were free of cardiovascular disease, diabetes, and cancer in 1998. The study found that roughly 80 percent of these participants consumed meat, and meat eaters were statistically more likely to reach 100 years old than their vegetarian, pescatarian, or vegan counterparts—especially when body weight was taken into account. The findings were most significant for underweight individuals, defined by a body mass index (BMI) below 18.5. Among this group, nearly 30 percent of meat eaters reached centenarian status, compared to 24 percent of underweight vegetarians. The likelihood of reaching 100 appeared to increase with daily meat consumption. This suggests that animal protein may play a crucial role in supporting muscle and bone strength, which is particularly important for older adults who are underweight and more vulnerable to fractures and poor recovery after surgery. Conversely, plant-based diets have been associated with higher risks of malnutrition and bone fractures in elderly populations. While meat consumption has been linked to obesity and certain chronic conditions, the study’s authors emphasize the importance of dietary balance and nutritional adequacy rather than strict avoidance of animal products, especially for the oldest-old. The researchers also noted that daily vegetable intake was generally associated with increased longevity, underscoring the value of a varied diet. Although the study was conducted within a Chinese population and may not directly apply to other regions with different dietary habits, the biological mechanisms connecting nutrition and aging are believed to be broadly relevant. These findings contribute to ongoing discussions about optimal dietary strategies for healthy aging and suggest that tailored nutritional recommendations may be necessary for different subgroups within the elderly population.

1 days ago

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MAINSTREAM BBC Health

Hospital violated trans complaint nurses' dignity, tribunal rules

An employment tribunal has ruled that County Durham and Darlington NHS Foundation Trust violated the dignity of eight female nurses at Darlington Memorial Hospital who complained about a transgender colleague using their female-only changing room. The nurses objected to Rose Henderson, a biological male who identifies as a woman, using the single-sex space, arguing that it created a hostile and uncomfortable environment. The tribunal found that the trust’s policy, which allowed individuals to use facilities corresponding with their gender identity, failed to adequately address the nurses’ concerns, resulting in a "hostile, humiliating and degrading environment" for them. The nurses had raised complaints beginning in 2019, culminating in a formal grievance in August 2023. They claimed they were penalized for objecting to Henderson’s presence in the changing room, and alleged inappropriate conduct, including staring, which the tribunal dismissed as unfounded. While the trust maintained that the nurses had "demonised" Henderson and defended its policy as compliant with existing guidelines, the panel concluded that management had not seriously considered whether the policy might discriminate against female employees. The nurses said they felt ignored and dismissed by hospital management and human resources when raising their concerns. Although the tribunal did not uphold all aspects of the nurses’ claims, it recognized that the trust had created a hostile environment by failing to balance the rights and dignity of all staff. The ruling was seen by the nurses as a significant vindication and a call for organizations to better listen to women’s concerns in similar situations. The case highlights ongoing tensions within workplaces over policies on transgender inclusion and single-sex spaces, underscoring the challenges of accommodating gender identity while respecting the privacy and comfort of all employees.

1 days ago

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MAINSTREAM Science Daily

NASA brings Crew-11 home early in rare medical evacuation

NASA’s SpaceX Crew-11 mission concluded with a safe splashdown in the Pacific Ocean off the coast of San Diego, ending a more than five-month stay aboard the International Space Station (ISS). The crew, consisting of NASA astronauts Zena Cardman and Mike Fincke, JAXA astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov, returned after completing over 140 scientific experiments and traveling nearly 71 million miles around Earth. The mission was cut short by approximately one month due to a medical concern involving one crew member, who is reported to be stable. Recovery teams quickly secured the SpaceX Dragon capsule and assisted the astronauts following their landing. Throughout their 167-day mission, the Crew-11 team contributed significantly to scientific research, station maintenance, and technology testing aboard the ISS. Their work supports ongoing efforts to deepen human understanding of space and prepare for future exploration beyond low Earth orbit. The mission also coincided with the 25th anniversary of continuous human presence on the ISS, a milestone highlighting international collaboration in space. NASA Administrator Jared Isaacman praised the professionalism of the astronauts and ground teams, emphasizing the mission’s demonstration of the U.S. space program’s adaptability and readiness to respond to unforeseen challenges. The early return underscores the importance of astronaut health and safety in spaceflight operations. NASA’s ability to expedite the crew’s return while maintaining mission objectives reflects advancements in space mission planning and emergency response. This capability is critical as NASA prepares for upcoming endeavors such as the Artemis II mission, which aims to extend human exploration to the Moon and eventually Mars. The Crew-11 mission thus represents both a successful scientific campaign and a testament to the resilience and flexibility of modern space programs.

1 days ago

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MAINSTREAM Science Daily

Scientists found the soil secret that doubles forest regrowth

New research has revealed that nitrogen availability in soil significantly accelerates the regrowth of tropical forests, potentially doubling the rate at which these ecosystems recover after deforestation. Scientists conducted a long-term study across 76 forest plots in Central America, monitoring forest regeneration over up to 20 years. The study found that forests with sufficient nitrogen in the soil rebounded at roughly twice the speed of those without, while phosphorus alone did not have the same effect. These findings highlight the critical role of soil nutrients in forest recovery and carbon sequestration. The research involved a collaborative effort among institutions including the University of Leeds, University of Glasgow, Smithsonian Tropical Research Institute, Yale University, Princeton University, Cornell University, National University of Singapore, and the Cary Institute of Ecosystem Studies. Experimental treatments applied to the plots included nitrogen and phosphorus fertilizers, both separately and combined, as well as untreated controls. The results consistently pointed to nitrogen as the key nutrient driving faster tree growth and forest regeneration during the first decade after land clearing. The implications of this discovery are significant for climate change mitigation and reforestation strategies. Tropical forests act as vital carbon sinks, absorbing large amounts of atmospheric carbon dioxide. Faster forest regrowth means enhanced carbon capture, which could help slow global warming. However, the researchers caution against widespread use of nitrogen fertilizers due to potential environmental risks, such as nitrous oxide emissions, a potent greenhouse gas. Instead, they recommend nature-based approaches like planting nitrogen-fixing leguminous trees or prioritizing reforestation in areas where nitrogen is naturally abundant, including regions affected by nitrogen deposition from air pollution. This study offers a promising pathway to improve reforestation outcomes by working with natural soil processes rather than relying on chemical inputs. By understanding and leveraging the role of nitrogen in tropical forest ecosystems, forest managers and policymakers can develop more effective strategies to restore degraded lands and enhance the global carbon sink capacity.

1 days ago

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MAINSTREAM BBC Science

Landscape beneath Antarctica's icy surface revealed in unprecedented detail

Scientists have produced the most detailed map yet of the landscape beneath Antarctica’s ice sheet, revealing thousands of previously unknown hills, ridges, and sharper features of hidden mountain ranges. Using a combination of satellite data and physical models of glacier movement, researchers were able to infer the continent’s sub-ice topography with unprecedented clarity. This breakthrough offers new insights into the continent’s geology and is expected to improve predictions of how Antarctica’s ice will respond to climate change, with significant implications for future sea-level rise. Traditional methods of mapping beneath the ice have relied on radar surveys conducted along discrete lines, often spaced tens of kilometers apart, leaving large gaps in the data. The new approach integrates satellite observations of the ice surface with an understanding of how the ice flows over underlying terrain, allowing scientists to detect subtle surface features and velocity changes that indicate the shape of the bedrock below. This method has revealed a far more complex and rugged landscape than previously known, including many smaller hills and ridges that were undetectable with earlier techniques. The research team, led by Dr. Helen Ockenden of the University of Grenoble-Alpes and including Professor Robert Bingham of the University of Edinburgh, emphasized the significance of this enhanced mapping. The findings not only provide a clearer picture of Antarctica’s geological structure but also serve as a crucial tool for modeling ice dynamics. Understanding the bedrock topography is essential for predicting how ice sheets will behave as global temperatures rise, which directly affects projections of global sea-level changes. This advancement marks a major step forward in polar science, closing knowledge gaps about one of Earth’s least accessible regions. By revealing the hidden contours beneath Antarctica’s ice, the new map lays the groundwork for more accurate climate models and a better understanding of the continent’s role in the global climate system.

1 days ago

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MAINSTREAM BBC Science

Astronauts splash down to Earth after medical evacuation from space station

Four astronauts from the International Space Station (ISS) returned to Earth earlier than planned following a medical evacuation prompted by a serious health issue aboard the station. The crew, known as Crew-11, included NASA astronauts Mike Fincke and Zena Cardman, Japan’s Kimiya Yui, and Russian cosmonaut Oleg Platonov. They had been scheduled to complete a six-and-a-half-month mission but were brought back after approximately five months. The astronauts splashed down off the coast of California, where they were met with medical teams for immediate health assessments. This marks the first medical evacuation from the ISS since its launch in 1998. NASA officials confirmed that the affected astronaut is currently stable and in good spirits, though specific details about the individual’s condition or identity have not been disclosed. The evacuation tested NASA’s emergency protocols for handling serious medical situations in space, highlighting both the challenges and the preparedness of the agency to respond to health crises beyond Earth. The ISS, orbiting at an altitude of about 250 miles and traveling at 17,500 miles per hour, is equipped with medical supplies and trained crew members, but lacks a dedicated physician onboard. Following the departure of Crew-11, control of the ISS was transferred to Russian cosmonaut Sergey Kud-Sverchkov and two other crew members, leaving the station with a reduced crew of three until a new team arrives in February. Despite the unexpected changes, Kud-Sverchkov emphasized the crew’s commitment to continuing scientific research and maintenance tasks aboard the station. The incident underscores the inherent risks of long-duration space missions and the importance of robust contingency plans to safeguard astronaut health and mission continuity.

2 days ago

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MAINSTREAM NPR Science

After a medical evacuation from space, NASA's Crew-11 returns to Earth a month early

NASA’s Crew-11 mission concluded earlier than planned when four astronauts returned to Earth after a medical evacuation from the International Space Station (ISS). The crew splashed down off the coast of San Diego in their SpaceX Dragon capsule following a nearly 10-hour journey from orbit. The mission, originally scheduled to last six months, was cut short by about a month due to a serious but stable medical condition affecting one of the astronauts. This marked the first medical evacuation from the ISS in over 25 years of continuous human presence aboard the station and the first time in NASA’s history that a mission was ended early for medical reasons. The crew consisted of NASA astronauts Zena Cardman and Mike Fincke, Japan Aerospace Exploration Agency astronaut Kimiya Yui, and Russian cosmonaut Oleg Platonov. NASA has withheld details about the astronaut’s identity and the nature of the medical issue, citing privacy concerns. The medical situation led to the cancellation of a planned spacewalk and prompted NASA to expedite the crew’s return for evaluation and treatment on Earth. Because the SpaceX Dragon capsule served as the crew’s only means of transportation to and from the ISS, all four astronauts had to return together. The Crew-11 mission launched on August 1, 2025, aboard a SpaceX Falcon 9 rocket from Kennedy Space Center in Florida. Over their 167 days in space, including 165 days on the ISS, the crew completed 2,672 orbits of Earth, covering approximately 70.8 million miles. Their early departure has temporarily reduced the ISS crew to three members: Russian cosmonauts Sergey Kud-Sverchkov and Sergey Mikayev, and NASA astronaut Christopher Williams, who arrived in late November 2025 aboard a Soyuz spacecraft. This unprecedented medical evacuation highlights the challenges of long-duration spaceflight and underscores the importance of health monitoring and contingency planning for astronauts on the ISS. It also raises questions about the impact of early crew departures on ongoing scientific research and station operations.

2 days ago

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MAINSTREAM NPR Science

Kitchen countertop workers are dying. Some lawmakers want to ban their lawsuits

An alarming rise in silicosis, a deadly lung disease caused by inhaling silica dust, has been reported among workers who cut engineered quartz countertops. This health crisis has prompted regulatory and legislative responses on opposite sides of the United States. In California, workplace safety officials are considering a ban on cutting quartz countertops, citing the material’s high silica dust emissions, which are significantly greater than those from natural stone like granite or marble. The proposed ban aims to prevent further cases of silicosis by eliminating the source of hazardous dust exposure. Meanwhile, in Washington, a Republican-led subcommittee of the House Judiciary Committee held a hearing on a bill that would prohibit workers from suing manufacturers of engineered quartz slabs. The legislation seeks to shield companies from liability for workers’ illnesses, shifting the focus away from product safety. Advocates for workers argue this approach is misguided, emphasizing that the real solution is to ban the dangerous material itself rather than restrict legal recourse. Hundreds of lawsuits are currently underway, with workers seeking accountability for the health risks they have endured. Cambria, the largest U.S. manufacturer of engineered quartz, maintains that quartz can be fabricated safely when proper dust control measures, such as ventilation and wet cutting, are used. The company operates some fabrication shops under these controlled conditions and contends that unsafe practices by third-party fabricators are to blame for the health crisis. Cambria denies liability for the lawsuits filed by workers employed by other businesses, describing those operations as “American sweatshops” that fail to implement necessary protections. Occupational health experts and worker advocates reject Cambria’s defense, highlighting the inherent dangers of the quartz slabs and the difficulty of ensuring safe fabrication across the industry. The debate underscores broader tensions between protecting worker health, regulating hazardous materials, and balancing corporate liability. The outcome of these regulatory and legislative efforts could have significant implications for workplace safety standards and the future of the engineered quartz countertop industry.

2 days ago

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