Tag #Science

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nos.nl

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Jul 11, 10:18

Maas River Floods Reveal Unexpected Erosion and Infrastructure Risks

In July 2021, the Maas River's flood revealed 16 underwater pits (up to 15 meters deep) and dunes (1.5 meters high) along a 6-kilometer stretch due to unexpected erosion from the Maaswerken project, exposing a nafta pipeline and causing a ferry closure. The event highlights risks of incomplete subsu...

Maas River Floods Reveal Unexpected Erosion and Infrastructure Risks

In July 2021, the Maas River's flood revealed 16 underwater pits (up to 15 meters deep) and dunes (1.5 meters high) along a 6-kilometer stretch due to unexpected erosion from the Maaswerken project, exposing a nafta pipeline and causing a ferry closure. The event highlights risks of incomplete subsu...

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What immediate impacts resulted from the extreme erosion of the Maas Riverbed during the July 2021 floods, and what specific infrastructure was affected?

During the July 2021 floods, researchers discovered significant changes in the Maas Riverbed using sonar. Six kilometers of river showed sixteen underwater pits, some 15 meters deep, and 1.5-meter-high dunes, indicating far more sediment movement than usual. This caused a pipeline carrying nafta to be exposed, necessitating a shutdown, and a ferry to be closed due to subsidence.", A2="The extreme erosion was likely caused by uneven implementation of the Maaswerken flood mitigation project, creating bottlenecks where fast-flowing water scoured the riverbed. The lack of a uniform protective layer of gravel allowed deeper erosion into underlying fine sand. While the Maas's current low shipping traffic minimized consequences, the researchers warn of similar risks elsewhere.", A3="The findings highlight the unforeseen consequences of river engineering without complete subsurface knowledge. Future flood mitigation projects, like the Netherlands' "Ruimte voor de Rivier 2.0," must account for underwater erosion to prevent similar incidents and potential shipping disruptions in rivers with heavier traffic, affecting water distribution in the Rhine delta.", Q1="What immediate impacts resulted from the extreme erosion of the Maas Riverbed during the July 2021 floods, and what specific infrastructure was affected?", Q2="How did the uneven implementation of the Maaswerken flood mitigation project contribute to the unexpected erosion and formation of underwater pits and dunes in the Maas River?", Q3="What are the long-term implications of this incident for future river management strategies, especially concerning navigation and water distribution in interconnected river systems, and how can such risks be mitigated?", ShortDescription="In July 2021, the Maas River's flood revealed 16 underwater pits (up to 15 meters deep) and dunes (1.5 meters high) along a 6-kilometer stretch due to unexpected erosion from the Maaswerken project, exposing a nafta pipeline and causing a ferry closure. The event highlights risks of incomplete subsurface knowledge in river engineering.", ShortTitle="Maas River Floods Reveal Unexpected Erosion and Infrastructure Risks"))

welt.de

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Jul 11, 16:17

Damaged Nuclear Waste Barrels Found Leaking in North East Atlantic

An international team discovered roughly 3,350 barrels of nuclear waste, some leaking bitumen, in the North East Atlantic; initial radiation levels were normal, but further testing is required to assess long-term risks.

Damaged Nuclear Waste Barrels Found Leaking in North East Atlantic

An international team discovered roughly 3,350 barrels of nuclear waste, some leaking bitumen, in the North East Atlantic; initial radiation levels were normal, but further testing is required to assess long-term risks.

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Life Below Water

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What were the methods used in the survey to locate and assess the condition of the nuclear waste barrels?

The discovery of damaged nuclear waste barrels in the North East Atlantic highlights the long-term consequences of past ocean dumping practices. While initial radiation readings were within normal background levels, the leaking bitumen suggests potential contamination. The survey's findings underscore the need for comprehensive assessment of the environmental impact of these sites.

china.org.cn

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Jul 10, 07:14

Chang'e-6 Reveals Lunar Far Side's Volcanic History and Ancient Magnetic Field

China's Chang'e-6 mission returned 1,935.3 grams of lunar far-side samples from the South Pole-Aitken Basin in 2024, revealing evidence of volcanic activity lasting 1.4 billion years, an ancient magnetic field, lower water content than the near side, and a precise formation date of the basin at 4.25...

Chang'e-6 Reveals Lunar Far Side's Volcanic History and Ancient Magnetic Field

China's Chang'e-6 mission returned 1,935.3 grams of lunar far-side samples from the South Pole-Aitken Basin in 2024, revealing evidence of volcanic activity lasting 1.4 billion years, an ancient magnetic field, lower water content than the near side, and a precise formation date of the basin at 4.25...

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How do the compositional differences between the lunar near and far sides, as revealed by Chang'e-6, relate to the massive impact that formed the South Pole-Aitken Basin?

Analysis of Chang'e-6 samples shows significantly lower water content in the far-side mantle compared to the near side, and an extreme depletion of incompatible elements in the SPA Basin's basalt mantle source. These findings indicate a profound impact from the basin-forming collision on the moon's interior composition and evolution.

china.org.cn

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Jul 10, 07:14

Shenzhou-19 Mission Concludes Successfully, Setting New Records

The Shenzhou-19 mission, launched October 30, 2024, concluded on April 30, 2025, with astronauts Cai Xuzhe, Song Lingdong, and Wang Haoze returning in good health after 183 days, completing three EVAs, numerous cargo deliveries, and 88 scientific experiments, including successfully growing sweet pot...

Shenzhou-19 Mission Concludes Successfully, Setting New Records

The Shenzhou-19 mission, launched October 30, 2024, concluded on April 30, 2025, with astronauts Cai Xuzhe, Song Lingdong, and Wang Haoze returning in good health after 183 days, completing three EVAs, numerous cargo deliveries, and 88 scientific experiments, including successfully growing sweet pot...

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How did the Shenzhou-19 mission contribute to the advancement of China's space technology and scientific research?

The mission's success highlights advancements in China's space technology, particularly the reliability of extravehicular spacesuits and the coordination between space and ground teams. The successful cultivation of sweet potatoes in orbit marks a significant first, showcasing potential for future space agriculture. The completion of 88 scientific experiments demonstrates a commitment to advancing space science.

nrc.nl

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Jul 10, 10:13

24-Million-Year-Old Proteins Rewrite Rhinoceros Evolutionary History

Analysis of a 21-24 million-year-old rhinoceros tooth from northern Canada yielded the oldest-ever reconstructed proteins, revising the timeline of rhinoceros evolution and demonstrating the potential for protein analysis to illuminate previously unknown aspects of evolutionary history.

24-Million-Year-Old Proteins Rewrite Rhinoceros Evolutionary History

Analysis of a 21-24 million-year-old rhinoceros tooth from northern Canada yielded the oldest-ever reconstructed proteins, revising the timeline of rhinoceros evolution and demonstrating the potential for protein analysis to illuminate previously unknown aspects of evolutionary history.

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Life on Land

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How does the discovery of these ancient proteins compare to the age of the oldest reliably reconstructed proteins previously discovered, and what new avenues for research does this open?

Analysis of these ancient proteins reveals that significant branching points in the rhinoceros evolutionary lineage occurred approximately 30 million years ago, considerably more recently than the previously estimated 45 million years. This finding challenges established evolutionary timelines and necessitates a reevaluation of rhinoceros evolutionary history. The discovery also showcases the potential of protein analysis in dating evolutionary divergence events more accurately.

german.china.org.cn

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Jul 10, 10:13

China Leads New International Space Exploration Association

The International Deep Space Exploration Association (IDSEA), a new international academic organization dedicated to space exploration, was officially founded on July 7, 2025, in Hefei, China, with Wu Weiren, chief designer of China's lunar exploration program, elected as its first chairman.

China Leads New International Space Exploration Association

The International Deep Space Exploration Association (IDSEA), a new international academic organization dedicated to space exploration, was officially founded on July 7, 2025, in Hefei, China, with Wu Weiren, chief designer of China's lunar exploration program, elected as its first chairman.

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How does the IDSEA's creation reflect China's evolving role in global space exploration?

IDSEA's founding, initiated by Chinese and French organizations along with 51 international academics, underscores China's growing prominence in space exploration and its commitment to global collaboration. The association will focus on lunar and planetary exploration, asteroid defense, and establishing space exploration norms.

dailymail.co.uk

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Jul 11, 16:17

Earth's Accelerating Rotation: Milliseconds Now, Catastrophe Later

Earth's rotation is unexpectedly accelerating, causing days to shorten by milliseconds; while currently unnoticeable, continued acceleration could lead to devastating flooding, extreme weather, and infrastructural failure.

Earth's Accelerating Rotation: Milliseconds Now, Catastrophe Later

Earth's rotation is unexpectedly accelerating, causing days to shorten by milliseconds; while currently unnoticeable, continued acceleration could lead to devastating flooding, extreme weather, and infrastructural failure.

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What are the immediate and specific impacts of Earth's accelerating rotation?

On July 22 and August 5, Earth's rotation will be 1.38 and 1.51 milliseconds shorter than average, respectively, due to unexpected acceleration. This minor change is currently imperceptible to humans but highlights the planet's dynamic nature.

dailymail.co.uk

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Jul 10, 19:15

Four Pathways to Dementia Identified, Revolutionizing Diagnosis and Treatment

A new study published in The Lancet identified four distinct pathways to developing dementia—psychiatric conditions, brain dysfunction illnesses, mild cognitive impairments, and heart disease—in an analysis of over 24,000 patients, potentially revolutionizing diagnosis and treatment.

Four Pathways to Dementia Identified, Revolutionizing Diagnosis and Treatment

A new study published in The Lancet identified four distinct pathways to developing dementia—psychiatric conditions, brain dysfunction illnesses, mild cognitive impairments, and heart disease—in an analysis of over 24,000 patients, potentially revolutionizing diagnosis and treatment.

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What are the four identified pathways to dementia, and how might their identification improve diagnosis and treatment?

Researchers have discovered four distinct pathways leading to dementia: psychiatric conditions, brain dysfunction illnesses, mild cognitive impairments, and heart disease. Each pathway presents unique characteristics and potential demographic associations, potentially enabling faster diagnosis. Early intervention, even for non-brain related illnesses, may prevent dementia.

europe.chinadaily.com.cn

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Jul 10, 07:14

June 2025: Third Warmest Globally, Record Heat in Western Europe

June 2025 was the world's third-warmest June on record, with Western Europe experiencing its hottest June ever at 20.49 degrees Celsius, while global average surface air temperature reached 16.46 degrees Celsius, exceeding pre-industrial levels by 1.3 degrees, driven by human-induced climate change ...

June 2025: Third Warmest Globally, Record Heat in Western Europe

June 2025 was the world's third-warmest June on record, with Western Europe experiencing its hottest June ever at 20.49 degrees Celsius, while global average surface air temperature reached 16.46 degrees Celsius, exceeding pre-industrial levels by 1.3 degrees, driven by human-induced climate change ...

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How did the June 2025 heatwave affect different regions, and what were the contributing factors?

Exceptional heatwaves impacted Western Europe, exceeding previous records. Simultaneously, above-average temperatures were observed across the US, parts of Canada and Asia, and West Antarctica, demonstrating a global warming trend.

bbc.com

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Jul 10, 07:13

Measles Cases in US Reach 33-Year High

The US is experiencing its highest number of measles cases in 33 years, with over 700 cases in Texas alone, primarily affecting unvaccinated individuals; this surge highlights the ongoing challenge of maintaining herd immunity against preventable diseases.

Measles Cases in US Reach 33-Year High

The US is experiencing its highest number of measles cases in 33 years, with over 700 cases in Texas alone, primarily affecting unvaccinated individuals; this surge highlights the ongoing challenge of maintaining herd immunity against preventable diseases.

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How does the uneven distribution of the MMR vaccine across the US contribute to the current measles outbreak?

The resurgence of measles in the US, reaching a 33-year high, is directly linked to lower-than-required vaccination rates (below the 95% needed for herd immunity). The 2021 vaccination rate of 90.6% for children aged 24 months highlights a persistent shortfall, contributing to the outbreak's severity.

npr.org

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Jul 10, 07:14

Trump Administration Cuts Jeopardize Pandemic and Coastal Hazard Research

In April 2025, the Trump administration cut funding for several federally funded research projects focused on pandemic preparedness and coastal hazard mitigation, jeopardizing crucial research on broad-spectrum antivirals and early warning systems for storm surges, despite the ongoing need for these...

Trump Administration Cuts Jeopardize Pandemic and Coastal Hazard Research

In April 2025, the Trump administration cut funding for several federally funded research projects focused on pandemic preparedness and coastal hazard mitigation, jeopardizing crucial research on broad-spectrum antivirals and early warning systems for storm surges, despite the ongoing need for these...

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How do the terminated research projects relate to broader concerns about national security and infrastructure resilience?

The cuts to federally funded research demonstrate a disconnect between short-term budget priorities and long-term national security needs. The halting of projects to develop broad-spectrum antivirals and improved storm surge prediction systems leaves the nation vulnerable to future pandemics and extreme weather events. The termination of funding jeopardizes years of research and development, delaying preparedness measures.

kathimerini.gr

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Jul 10, 10:13

High Blood Pressure Linked to Dementia Risk, Medication Shows Promise

A study of over 92,000 individuals showed that high blood pressure increases dementia risk, but taking antihypertensive medications reduced dementia risk by 7% over four years.

High Blood Pressure Linked to Dementia Risk, Medication Shows Promise

A study of over 92,000 individuals showed that high blood pressure increases dementia risk, but taking antihypertensive medications reduced dementia risk by 7% over four years.

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How does high blood pressure contribute to dementia, and what are the specific mechanisms involved?

This study, published in JAMA, analyzed data from 12 other studies and found a link between high blood pressure and increased dementia risk. Lowering blood pressure through medication significantly reduced this risk, suggesting a preventative measure against cognitive decline.

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