Tag #Science

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euronews.com

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Feb 14, 22:08

Asymptomatic Bird Flu Cases in US Veterinarians Highlight Undetected Outbreak Spread

A study revealed three asymptomatic US cow veterinarians with bird flu antibodies, highlighting the undetected spread of H5N1 in dairy cattle (968 herds affected since March 2024) and 68 human cases (one death) in the US. The findings suggest that current monitoring may underestimate infection rates...

Asymptomatic Bird Flu Cases in US Veterinarians Highlight Undetected Outbreak Spread

A study revealed three asymptomatic US cow veterinarians with bird flu antibodies, highlighting the undetected spread of H5N1 in dairy cattle (968 herds affected since March 2024) and 68 human cases (one death) in the US. The findings suggest that current monitoring may underestimate infection rates...

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Good Health and Well-being

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What are the immediate implications of asymptomatic bird flu infections detected in US veterinarians, and how does this impact current outbreak control strategies?

Three US cow veterinarians tested positive for bird flu antibodies, despite no reported symptoms, suggesting that current monitoring methods underestimate human infections. This highlights the spread of avian influenza (H5N1) to 968 dairy herds in the US since March 2024, with 68 human cases and one death. One veterinarian who tested positive had contact with infected poultry, while another worked in a state without reported cases, indicating potential wider spread.

t24.com.tr

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Feb 14, 13:12

Nano-Polymer Sensor Detects BPA in Food Packaging at Hitit University

Researchers at Hitit University are developing a smart nano-polymer sensor to detect Bisphenol A (BPA) levels in food and beverage packaging, funded by TÜBİTAK; the sensor's nano-scale design allows for easier sensor use and potential in-vivo applications.

Nano-Polymer Sensor Detects BPA in Food Packaging at Hitit University

Researchers at Hitit University are developing a smart nano-polymer sensor to detect Bisphenol A (BPA) levels in food and beverage packaging, funded by TÜBİTAK; the sensor's nano-scale design allows for easier sensor use and potential in-vivo applications.

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What is the primary goal of the Hitit University project, and what are its potential global implications?

At Hitit University, a project is underway to develop a smart nano-polymer sensor that can detect Bisphenol A (BPA) leaching from water bottles and juice/milk packaging. The project, funded by TÜBİTAK, aims to quantify BPA migration into food and beverages. Professor Kadir Erol leads this initiative.

dailymail.co.uk

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Feb 14, 16:10

Unexpected Radioactive Anomaly Found in Pacific Ocean Sediments

Scientists found unexpectedly high levels of the radioactive isotope beryllium-10 in Pacific Ocean seabed samples from 10 million years ago, suggesting either a drastic change in Antarctic ocean circulation or a massive burst of space radiation impacting Earth.

Unexpected Radioactive Anomaly Found in Pacific Ocean Sediments

Scientists found unexpectedly high levels of the radioactive isotope beryllium-10 in Pacific Ocean seabed samples from 10 million years ago, suggesting either a drastic change in Antarctic ocean circulation or a massive burst of space radiation impacting Earth.

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Life Below Water

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What are the two proposed explanations for the observed beryllium-10 anomaly, and what evidence supports each hypothesis?

The beryllium-10 anomaly could act as a global time marker for researchers studying periods spanning millions of years, similar to how C14 spikes from nuclear testing are used for more recent samples. The discovery's significance lies in its potential to synchronize dating across different sample sets, improving accuracy in paleoclimatic and paleontological studies. The two proposed causes – altered ocean currents or a space radiation event – highlight the interconnectedness of Earth's systems and space phenomena.

pda.kp.ru

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Feb 13, 19:08

Thawing Permafrost Releases Potent Greenhouse Gases, Accelerating Global Warming

Thawing permafrost in the Arctic and Antarctic is releasing significant amounts of methane and nitrous oxide, potent greenhouse gases, accelerating global warming; Arctic methane emissions increased by almost 9 percent since 2002, reaching 20 million tons annually by 2021; Antarctic methane hydrates...

Thawing Permafrost Releases Potent Greenhouse Gases, Accelerating Global Warming

Thawing permafrost in the Arctic and Antarctic is releasing significant amounts of methane and nitrous oxide, potent greenhouse gases, accelerating global warming; Arctic methane emissions increased by almost 9 percent since 2002, reaching 20 million tons annually by 2021; Antarctic methane hydrates...

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Climate Action

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What are the immediate consequences of thawing permafrost in polar regions on global warming?

Rising global temperatures are thawing permafrost in polar regions, releasing trapped greenhouse gases like methane and nitrous oxide. This creates a positive feedback loop, accelerating warming. Methane emissions from the boreal-Arctic region increased by nearly 9 percent since 2002, reaching 20 million tons annually by 2021, significantly impacting global warming.

forbes.com

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Feb 13, 13:11

Salmon Shark Provides High-Resolution Oceanographic Data During "The Blob" Event

A 2015 study used a salmon shark tagged with a new CTD-SRDL tag to collect 56 high-resolution temperature-salinity profiles in the Gulf of Alaska over 36 days, revealing significant warm-water anomalies and providing higher-resolution data than Argo floats in dynamic regions, particularly during the...

Salmon Shark Provides High-Resolution Oceanographic Data During "The Blob" Event

A 2015 study used a salmon shark tagged with a new CTD-SRDL tag to collect 56 high-resolution temperature-salinity profiles in the Gulf of Alaska over 36 days, revealing significant warm-water anomalies and providing higher-resolution data than Argo floats in dynamic regions, particularly during the...

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How does the data collected from the tagged shark compare to existing data from Argo floats, and what are the limitations of each approach?

The study highlights the potential of using marine animals like sharks to collect oceanographic data in hard-to-reach areas. The shark's data revealed that 75% of temperature readings showed positive anomalies, exceeding 3°F in some areas. This complements data from Argo floats but offers higher resolution in dynamic regions such as mesoscale eddies, improving understanding of heat and salinity movement and their influence on climate patterns.

spanish.china.org.cn

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Feb 13, 10:10

China Successfully Launches Second Batch of Satellites for Internet Constellation

China launched a group of low Earth orbit satellites, the second for a planned internet constellation, via a Long March-8A rocket from Wenchang, Hainan on February 11th, 2025 at 5:30 PM Beijing time, successfully entering their predetermined orbit; this was the 559th Long March launch.

China Successfully Launches Second Batch of Satellites for Internet Constellation

China launched a group of low Earth orbit satellites, the second for a planned internet constellation, via a Long March-8A rocket from Wenchang, Hainan on February 11th, 2025 at 5:30 PM Beijing time, successfully entering their predetermined orbit; this was the 559th Long March launch.

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Industry, Innovation, and Infrastructure

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How does the innovative design of the Long March-8A carrier rocket contribute to improved launch efficiency and payload capacity?

This successful launch demonstrates advancements in China's space launch capabilities. The Long March-8A, designed for large-scale constellation network launches, boasts a payload capacity of 3, 5, and 7 tons for sun-synchronous orbits, significantly enhancing China's ability to deploy satellites in low and medium Earth orbits. The innovative design, integrating multiple functions into a multifunctional module, reduced the rocket's weight by 200 kg, increasing payload efficiency.

pda.murmansk.kp.ru

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Feb 14, 19:09

Overfishing Threatens Capelin Stocks in the Barents Sea

Overfishing has severely depleted capelin stocks in the Barents Sea, leading to fishing moratoriums in 2015, 2019, and potential future restrictions. Despite a record 2024 catch of 50,200 tons (out of a quota of 78,200 tons), the lack of capelin in 2025 highlights the fragility of the population and...

Overfishing Threatens Capelin Stocks in the Barents Sea

Overfishing has severely depleted capelin stocks in the Barents Sea, leading to fishing moratoriums in 2015, 2019, and potential future restrictions. Despite a record 2024 catch of 50,200 tons (out of a quota of 78,200 tons), the lack of capelin in 2025 highlights the fragility of the population and...

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Life Below Water

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How have past fishing moratoriums affected capelin stocks, and what factors beyond fishing practices contribute to population fluctuations?

Overfishing in the 70s and 80s drastically altered the capelin population's age structure and reproductive cycle, leading to fluctuating yearly catches. The 2024 record catch, despite being high, doesn't negate the long-term depletion of the stock. The absence of capelin in 2025 highlights the population's vulnerability and the need for sustainable fishing practices.

nos.nl

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Feb 14, 10:08

Childhood Cancer Survival Rates in the Netherlands Significantly Increase

New data from the Netherlands Cancer Registry shows that the five-year survival rate for children diagnosed with cancer between 2010 and 2018 was 84 percent, compared to 74 percent for those diagnosed between 1990 and 1999; improvements in diagnosis and targeted treatments are responsible for this i...

Childhood Cancer Survival Rates in the Netherlands Significantly Increase

New data from the Netherlands Cancer Registry shows that the five-year survival rate for children diagnosed with cancer between 2010 and 2018 was 84 percent, compared to 74 percent for those diagnosed between 1990 and 1999; improvements in diagnosis and targeted treatments are responsible for this i...

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Good Health and Well-being

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How do the survival rates vary across different types of childhood cancers, and what factors contribute to these variations?

The improved survival rates are linked to personalized treatments based on cancer cell characteristics, replacing the formerly uniform approach. This progress highlights the effectiveness of tailored therapies, but also reveals ongoing challenges with difficult-to-treat cancers like high-grade gliomas, which have a 7 percent five-year survival rate.

forbes.com

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Feb 14, 07:09

Caltech's "Crossing Over" Exhibit Showcases Art-Science Synergy

Caltech's "Crossing Over: Art and Science at Caltech 1920-2020" exhibit, running September 27-December 15, 2024, showcased artworks by four artists across the campus, using the concept of "crossing over" of genes as a metaphor for the interaction between art and science at Caltech, and included a se...

Caltech's "Crossing Over" Exhibit Showcases Art-Science Synergy

Caltech's "Crossing Over: Art and Science at Caltech 1920-2020" exhibit, running September 27-December 15, 2024, showcased artworks by four artists across the campus, using the concept of "crossing over" of genes as a metaphor for the interaction between art and science at Caltech, and included a se...

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Quality Education

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How did the exhibition's diverse locations and installations enhance its presentation of the interplay between art and science at Caltech?

The exhibition, spread across multiple Caltech buildings, incorporated diverse art forms interacting with the campus's scientific environment. Works like Maberi's "Spectrum Petals" evoked both astronomical instruments and California Light and Space art, while Albuquerque's "This Moment in Time" referenced nuclear fusion. The exhibit also included a display on Caltech's role in the Manhattan Project.

es.euronews.com

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Feb 13, 13:10

Cannabis Use Linked to Near Tripling of Schizophrenia Cases in Canada

A Canadian study analyzing 13.5 million medical records from 2006-2022 found that the proportion of new schizophrenia cases linked to cannabis use nearly tripled since legalization, rising to 10.3% overall and nearly 19% among young men (19-24 years old).

Cannabis Use Linked to Near Tripling of Schizophrenia Cases in Canada

A Canadian study analyzing 13.5 million medical records from 2006-2022 found that the proportion of new schizophrenia cases linked to cannabis use nearly tripled since legalization, rising to 10.3% overall and nearly 19% among young men (19-24 years old).

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What is the direct impact of increased cannabis access on schizophrenia diagnoses in young adults?

A new Canadian study reveals a near tripling of schizophrenia cases linked to cannabis use over nearly two decades, rising from 3.7% before legalization to 10.3% afterward. This increase correlates with expanding cannabis access for medical and recreational use, affecting young men most severely, with almost 19% of new cases in the 19-24 age group linked to cannabis use disorder.

welt.de

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Feb 13, 10:10

Record-Breaking Jet Discovered in Early Universe

An international team using the LOFAR radio telescope discovered a 200,000-light-year-long jet from a quasar (J1601+3102) in a galaxy 12.6 billion light-years away, challenging previous assumptions about jet formation in the early universe.

Record-Breaking Jet Discovered in Early Universe

An international team using the LOFAR radio telescope discovered a 200,000-light-year-long jet from a quasar (J1601+3102) in a galaxy 12.6 billion light-years away, challenging previous assumptions about jet formation in the early universe.

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What is the significance of the discovery of a 200,000-light-year-long jet from a quasar in the early universe?

An international team using the LOFAR radio telescope has discovered a 200,000-light-year-long jet emanating from a quasar in the early universe, a time when the universe was only 1.2 billion years old. This is the longest jet ever found in the young universe. The jet is propelled by a supermassive black hole 450 million times the mass of our sun, located in the galaxy J1601+3102.

usa.chinadaily.com.cn

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Feb 13, 10:10

Sorghum Genes Identified for Striga Resistance

Chinese scientists discovered two sorghum genes that, when disabled, significantly increase resistance to Striga, a parasitic plant costing \$10-12 billion annually in global economic losses, offering a potential solution to improve food security.

Sorghum Genes Identified for Striga Resistance

Chinese scientists discovered two sorghum genes that, when disabled, significantly increase resistance to Striga, a parasitic plant costing \$10-12 billion annually in global economic losses, offering a potential solution to improve food security.

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Zero Hunger

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What specific genes in sorghum confer resistance to Striga, and what is the immediate impact of this discovery on global food security?

Chinese scientists have pinpointed two genes in sorghum responsible for Striga resistance. Disabling these genes significantly increased Striga resistance, offering a potential solution to this significant agricultural threat costing \$10-12 billion annually. This breakthrough utilizes AI predictions and molecular biology techniques.

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