Tag #Science

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bbc.com

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Jul 31, 04:12

Kamchatka Earthquake: Tsunami Impact Lower Than Predicted

A powerful 8.8 magnitude earthquake struck off the coast of Kamchatka, Russia on July 30th, 2024, generating a tsunami with waves up to 4 meters high; while less devastating than initially feared, the event highlights the region's vulnerability and the importance of early warning systems.

Kamchatka Earthquake: Tsunami Impact Lower Than Predicted

A powerful 8.8 magnitude earthquake struck off the coast of Kamchatka, Russia on July 30th, 2024, generating a tsunami with waves up to 4 meters high; while less devastating than initially feared, the event highlights the region's vulnerability and the importance of early warning systems.

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Sustainable Cities and Communities

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What geological factors contributed to both the earthquake and the comparatively lower-than-expected tsunami impact?

The earthquake occurred in the Pacific Ring of Fire, an area known for significant seismic activity. The quake resulted from the Pacific plate subducting under the Okhotsk microplate, a process that can cause mega-thrust earthquakes when plates become stuck and then suddenly release. This specific event was near the epicenter of a 1952 quake, highlighting the region's vulnerability.

nrc.nl

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Jul 31, 04:12

Experimental Drug Accelerates Recovery in Children with Post-COVID MIS-C

A small study shows the experimental drug larazotide safely speeds recovery from MIS-C in 6 children compared to 6 controls; the drug strengthens the gut lining, reducing the release of spike proteins into the bloodstream, thus resolving gastrointestinal problems and other symptoms faster.

Experimental Drug Accelerates Recovery in Children with Post-COVID MIS-C

A small study shows the experimental drug larazotide safely speeds recovery from MIS-C in 6 children compared to 6 controls; the drug strengthens the gut lining, reducing the release of spike proteins into the bloodstream, thus resolving gastrointestinal problems and other symptoms faster.

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Good Health and Well-being

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How does the mechanism of larazotide potentially explain the observed improvement in MIS-C symptoms?

The study, published in Science Translational Medicine, suggests that lingering viral proteins, specifically the spike protein, might trigger the immune system's aberrant response in MIS-C. Larazotide strengthens the gut lining, reducing permeability and potentially preventing these proteins from entering the bloodstream, thus accelerating symptom resolution.

dailymail.co.uk

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Jul 31, 13:17

Deepest Chemosynthetic Communities Discovered in Pacific Ocean Trenches

Scientists exploring the Kuril-Kamchatka and Aleutian trenches discovered thriving chemosynthetic communities of tube worms and clams at depths exceeding 9,500 meters, significantly deeper than previously known, suggesting the possibility of similar ecosystems in extraterrestrial oceans.

Deepest Chemosynthetic Communities Discovered in Pacific Ocean Trenches

Scientists exploring the Kuril-Kamchatka and Aleutian trenches discovered thriving chemosynthetic communities of tube worms and clams at depths exceeding 9,500 meters, significantly deeper than previously known, suggesting the possibility of similar ecosystems in extraterrestrial oceans.

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Life Below Water

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What is the significance of discovering thriving chemosynthetic communities at depths exceeding 9,500 meters in the Pacific Ocean?

Scientists have discovered thriving communities of chemosynthetic organisms at depths exceeding 9,500 meters in the Kuril-Kamchatka and Aleutian trenches, almost 25% deeper than previously documented. These communities, dominated by tube worms and clams, are sustained by chemicals from seafloor seeps, not organic matter.

zeit.de

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Jul 31, 07:16

Kamchatka Earthquake Triggers Tsunami, Volcanic Eruption

A powerful earthquake off Kamchatka, Russia, measuring over magnitude 7, triggered a tsunami that flooded Severo-Kurilsk, caused the eruption of Klyuchevskoy volcano, and prompted widespread tsunami warnings across the Pacific, resulting in evacuations in Chile (1.4 million people), Hawaii, and othe...

Kamchatka Earthquake Triggers Tsunami, Volcanic Eruption

A powerful earthquake off Kamchatka, Russia, measuring over magnitude 7, triggered a tsunami that flooded Severo-Kurilsk, caused the eruption of Klyuchevskoy volcano, and prompted widespread tsunami warnings across the Pacific, resulting in evacuations in Chile (1.4 million people), Hawaii, and othe...

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How did the earthquake's depth and location contribute to the severity of the tsunami and volcanic eruption?

The earthquake's shallow depth (around 10 kilometers) amplified its impact, resulting in significant aftershocks and a destructive tsunami. The event highlights the interconnectedness of geological events, as the earthquake triggered both the tsunami and volcanic eruption. The widespread tsunami warnings underscore the potential for far-reaching consequences from seemingly localized seismic activity.

edition.cnn.com

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Jul 31, 13:16

Ancient Thai Betel Nut Use Confirmed by New Scientific Technique

Archaeologists used liquid chromatography-mass spectrometry (LC-MS) to detect betel nut traces in 4,000-year-old dental plaque from a Neolithic burial site in central Thailand, providing the earliest direct biochemical evidence of betel nut chewing in Southeast Asia and demonstrating that visible ev...

Ancient Thai Betel Nut Use Confirmed by New Scientific Technique

Archaeologists used liquid chromatography-mass spectrometry (LC-MS) to detect betel nut traces in 4,000-year-old dental plaque from a Neolithic burial site in central Thailand, providing the earliest direct biochemical evidence of betel nut chewing in Southeast Asia and demonstrating that visible ev...

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No Poverty

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How does this new method compare to previous techniques for identifying betel nut use in archaeological contexts, and what are its advantages and limitations?

The study published in Frontiers in Environmental Archaeology analyzed dental plaque from six individuals at a Neolithic burial site. LC-MS identified betel nut alkaloids in three samples from one individual, demonstrating the technique's ability to detect "invisible" traces. This innovative approach offers a minimally invasive way to uncover ancient practices, surpassing previous methods limited to stained teeth or plant fragments.

theguardian.com

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Jul 31, 07:16

Toxic Algal Bloom Threatens Unique Australian Cuttlefish Breeding Ground

A toxic algal bloom threatens the annual gathering of thousands of giant Australian cuttlefish in South Australia's Spencer Gulf, prompting scientists to explore emergency conservation measures to protect this globally unique breeding population.

Toxic Algal Bloom Threatens Unique Australian Cuttlefish Breeding Ground

A toxic algal bloom threatens the annual gathering of thousands of giant Australian cuttlefish in South Australia's Spencer Gulf, prompting scientists to explore emergency conservation measures to protect this globally unique breeding population.

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Life Below Water

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How vulnerable is the Spencer Gulf giant cuttlefish population to the toxic algal bloom, and what factors contribute to this vulnerability?

The unique breeding aggregation of giant Australian cuttlefish in Spencer Gulf is vulnerable due to the short lifespan of the cuttlefish and the lack of generational overlap. The current algal bloom poses a significant threat, as it could eliminate the entire next generation if it reaches the breeding grounds. This would have devastating consequences for this globally unique population.

forbes.com

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Jul 31, 04:12

Hawai'i's Tsunami History: Vulnerability, Response, and Future Preparedness

Hawai'i's remote location makes it susceptible to tsunamis, with major events in 1946 (159 deaths, leading to the Pacific Tsunami Warning Center), 1960 (61 deaths in Hilo, highlighting wave behavior), 1975 (2 deaths, emphasizing local tsunami dangers), and 2011 (no deaths, showcasing early warning s...

Hawai'i's Tsunami History: Vulnerability, Response, and Future Preparedness

Hawai'i's remote location makes it susceptible to tsunamis, with major events in 1946 (159 deaths, leading to the Pacific Tsunami Warning Center), 1960 (61 deaths in Hilo, highlighting wave behavior), 1975 (2 deaths, emphasizing local tsunami dangers), and 2011 (no deaths, showcasing early warning s...

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What is the significance of Hawai'i's vulnerability to tsunamis, and how have past events shaped current preparedness measures?

Hawai'i's geographical location makes it vulnerable to tsunamis, which historically have caused significant damage and loss of life, particularly in Hilo. The 1946 tsunami, triggered by an Aleutian earthquake, resulted in 159 deaths and prompted the creation of the Pacific Tsunami Warning Center. The 1960 Chilean earthquake tsunami caused 61 deaths in Hilo, revealing crucial lessons about wave behavior and the need for extended warnings.

theguardian.com

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Jul 31, 19:17

World's 'Oldest' Baby Born from 1994 Frozen Embryo

Thaddeus Daniel Pierce, born July 26th in Ohio from a 1994 frozen embryo adopted by Lindsey and Tim Pierce from Linda Archerd, is reportedly the world's oldest baby, highlighting advancements in IVF and embryo adoption.

World's 'Oldest' Baby Born from 1994 Frozen Embryo

Thaddeus Daniel Pierce, born July 26th in Ohio from a 1994 frozen embryo adopted by Lindsey and Tim Pierce from Linda Archerd, is reportedly the world's oldest baby, highlighting advancements in IVF and embryo adoption.

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Good Health and Well-being

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What are the potential long-term societal and medical implications of increased use of long-frozen embryos in assisted reproduction, considering both benefits and risks?

The increasing accessibility of IVF and embryo adoption, demonstrated by this case, may significantly impact birth rates and family structures in the future. Further research on the long-term health effects of embryos frozen for extended periods is needed to guide ethical considerations and regulations regarding embryo storage and adoption.

theglobeandmail.com

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Jul 31, 07:16

Minor Tsunami Hits B.C. Coast After 8.8 Magnitude Earthquake

A magnitude 8.8 earthquake near Russia's Kamchatka Peninsula triggered a tsunami warning for British Columbia, resulting in only 30-centimeter waves in Tofino; the event served as a successful test of the region's emergency response system.

Minor Tsunami Hits B.C. Coast After 8.8 Magnitude Earthquake

A magnitude 8.8 earthquake near Russia's Kamchatka Peninsula triggered a tsunami warning for British Columbia, resulting in only 30-centimeter waves in Tofino; the event served as a successful test of the region's emergency response system.

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Sustainable Cities and Communities

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How did the prior tsunami preparedness drills impact the response to the tsunami warning in Tofino?

The relatively small wave height, despite the earthquake's magnitude, highlights the complex factors influencing tsunami impact, including distance and energy dissipation during wave travel across vast oceans. The event served as a valuable test for B.C.'s tsunami warning system, demonstrating its effectiveness in alerting residents and facilitating a safe response.

pda.kp.ru

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Jul 31, 07:16

ISS Zvezda Module Leak Persists Despite Repairs

Despite a June 2025 announcement claiming its repair, a slow leak persists in the ISS's Zvezda module; ongoing efforts by Russian and American specialists to locate and fix the leak continue, despite its reduced rate.

ISS Zvezda Module Leak Persists Despite Repairs

Despite a June 2025 announcement claiming its repair, a slow leak persists in the ISS's Zvezda module; ongoing efforts by Russian and American specialists to locate and fix the leak continue, despite its reduced rate.

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Industry, Innovation, and Infrastructure

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What is the current status of the air leak in the ISS's Zvezda module, and what are the immediate implications for the station's operation?

A slow leak in the Zvezda module of the ISS persists, despite a June announcement claiming its repair. Ongoing efforts by Russian and American specialists continue to locate and fix the leak, which, while reduced after recent repairs, still shows air loss.

welt.de

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Jul 31, 04:12

Indoor Microplastic Inhalation Far Higher Than Previously Estimated: Study

A study in Southern France found that adults inhale roughly 68,000 microplastic particles daily indoors (47,000 for children), far exceeding previous estimates and highlighting the need for further research into the health consequences of this previously underestimated risk.

Indoor Microplastic Inhalation Far Higher Than Previously Estimated: Study

A study in Southern France found that adults inhale roughly 68,000 microplastic particles daily indoors (47,000 for children), far exceeding previous estimates and highlighting the need for further research into the health consequences of this previously underestimated risk.

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What are the main sources of microplastic air pollution in indoor environments, and how do these sources contribute to the disparity in concentration levels between homes and cars?

The study, conducted in Southern France, measured microplastic concentrations in homes (528 particles/cubic meter) and cars (2238 particles/cubic meter), with 94% of particles smaller than 10 micrometers, capable of deep lung penetration. These findings suggest that textile abrasion, plastic furniture, and car interiors are major sources, primarily polyethylene and polyamide.

elpais.com

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Jul 31, 10:20

Combating Climate Change Misinformation: A 2025 Perspective

Isabel Moreno's new book, 'Atmosphere of Rumors,' combats climate change misinformation prevalent on social media, arguing that the irreversible nature of current changes necessitates urgent action to mitigate future consequences.

Combating Climate Change Misinformation: A 2025 Perspective

Isabel Moreno's new book, 'Atmosphere of Rumors,' combats climate change misinformation prevalent on social media, arguing that the irreversible nature of current changes necessitates urgent action to mitigate future consequences.

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Climate Action

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What are the primary dangers of climate change misinformation spread through social media, and how does it impede effective responses?

The book 'Atmosphere of Rumors' tackles climate change misinformation spread through social media, hindering effective action. Combating these false narratives requires more than short videos; detailed explanations are needed to counter misleading claims like CO2's minimal atmospheric percentage. This misinformation undermines public trust in science and delays crucial climate action.

Showing 937 to 948 of 6,500 results