Tag #Radiation

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dailymail.co.uk

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Mar 20, 01:12

Astronaut's 288-Day Space Mission Reveals Extreme Aging Effects

After a record-breaking 288-day space mission, astronaut Sunita Williams returned to Earth with significant physical changes, including complete hair whitening, muscle and bone loss, and facial gauntness, highlighting the extreme physiological stress of prolonged space travel and the need for furthe...

Astronaut's 288-Day Space Mission Reveals Extreme Aging Effects

After a record-breaking 288-day space mission, astronaut Sunita Williams returned to Earth with significant physical changes, including complete hair whitening, muscle and bone loss, and facial gauntness, highlighting the extreme physiological stress of prolonged space travel and the need for furthe...

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What are the most critical long-term health implications of prolonged space travel, based on Williams's experience, and what measures are needed to address these risks in future missions?

Williams's experience underscores the need for further research into mitigating the effects of long-duration space travel on human health. Future missions, particularly those aiming for Mars, must prioritize countermeasures for bone loss, muscle atrophy, cardiovascular issues, and radiation-induced DNA damage to ensure astronaut safety and mission success. Long-term health consequences, such as increased cancer risk and accelerated aging, require focused investigation and preventative strategies.

dailymail.co.uk

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Feb 14, 10:08

Drone Strike Damages Chernobyl Radiation Shelter

A Russian drone attack damaged the Chernobyl Nuclear Power Plant's radiation shelter overnight, causing a fire that was extinguished; radiation levels remain stable, according to the IAEA, but the incident raises serious safety concerns.

Drone Strike Damages Chernobyl Radiation Shelter

A Russian drone attack damaged the Chernobyl Nuclear Power Plant's radiation shelter overnight, causing a fire that was extinguished; radiation levels remain stable, according to the IAEA, but the incident raises serious safety concerns.

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What are the potential long-term implications of this attack on nuclear safety and international relations?

The incident's long-term impact could include increased international pressure on Russia, further damage to the already fragile shelter, and renewed calls for demilitarization around nuclear facilities. It underscores the danger of military conflict near nuclear sites and the need for strengthened international safeguards.

english.kyodonews.net

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Jan 12, 04:05

Manhattan Project Surgeon's Warnings on Radiation Risks Ignored

Army surgeon James F. Nolan repeatedly warned Manhattan Project chief Gen. Leslie Groves about the dangers of radiation, but Groves downplayed the risks, prioritizing secrecy over health concerns; this pattern continued after witnessing the devastation of the atomic bombings of Hiroshima and Nagasak...

Manhattan Project Surgeon's Warnings on Radiation Risks Ignored

Army surgeon James F. Nolan repeatedly warned Manhattan Project chief Gen. Leslie Groves about the dangers of radiation, but Groves downplayed the risks, prioritizing secrecy over health concerns; this pattern continued after witnessing the devastation of the atomic bombings of Hiroshima and Nagasak...

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What were the immediate consequences of Gen. Groves' decision to downplay the health risks associated with nuclear weapons during the Manhattan Project?

During the Manhattan Project, Army surgeon James F. Nolan warned about the severe health risks of radiation exposure from nuclear weapons, but his concerns were largely dismissed by Gen. Leslie Groves, who prioritized secrecy and public perception. Nolan's grandson, James Nolan Jr., states that Groves implemented minimal safety measures and downplayed the long-term effects of radiation on survivors, even after witnessing the devastation in Hiroshima and Nagasaki.

zeit.de

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Dec 17, 04:09

German Public Fear Nuclear Weapons, Radon Risks, BfS Survey Finds

A BfS survey of 2,002 Germans (May-July 2024) shows 58% fear nuclear weapons use due to the Ukraine war; 94% know little about radon risks, despite it being a major lung cancer cause.

German Public Fear Nuclear Weapons, Radon Risks, BfS Survey Finds

A BfS survey of 2,002 Germans (May-July 2024) shows 58% fear nuclear weapons use due to the Ukraine war; 94% know little about radon risks, despite it being a major lung cancer cause.

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How does the survey illuminate the connection between the Ukraine conflict and anxieties surrounding radiation?

The survey reveals a correlation between the Ukraine war and heightened nuclear anxieties in Germany. The lack of radon awareness, despite its link to lung cancer, underscores a need for public education, particularly given that 94% of respondents reported taking no protective measures.

mk.ru

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Dec 13, 13:13

Breakthrough Antioxidant Offers Enhanced Radiation Protection

Scientists have discovered a highly effective antioxidant composed of manganese, phosphate, and a peptide, derived from the radiation-resistant bacterium Deinococcus radiodurans, offering potential for enhanced radiation protection in space travel and various Earth-based applications.

Breakthrough Antioxidant Offers Enhanced Radiation Protection

Scientists have discovered a highly effective antioxidant composed of manganese, phosphate, and a peptide, derived from the radiation-resistant bacterium Deinococcus radiodurans, offering potential for enhanced radiation protection in space travel and various Earth-based applications.

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What are the potential future applications of this research in various fields?

This breakthrough has wide-ranging implications, extending beyond space exploration. Future applications include enhanced radiation protection in healthcare, industrial settings, and defense against radiation-related accidents. Further research will refine the antioxidant's efficacy and explore its broader use.

dailymail.co.uk

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Nov 20, 13:20

Chernobyl Frogs and Human Resettlement

A study on black frogs in the Chernobyl exclusion zone suggests that current radiation levels may not be harmful to humans, prompting discussion about potential resettlement.

Chernobyl Frogs and Human Resettlement

A study on black frogs in the Chernobyl exclusion zone suggests that current radiation levels may not be harmful to humans, prompting discussion about potential resettlement.

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What was the main finding of the study on the black frogs in Chernobyl?

Scientists have discovered that black frogs in the Chernobyl exclusion zone, which developed black skin due to radiation exposure, have the same lifespan as their green counterparts.

aljazeera.com

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Mar 19, 07:13

Extended ISS Mission: Thruster Malfunction Delays Astronaut Return

Astronauts Sunita Williams and Barry Wilmore's eight-day ISS mission extended to 288 days due to a thruster malfunction on their Boeing Starliner Calypso spacecraft on June 5, 2024, making it one of NASA's longest single missions.

Extended ISS Mission: Thruster Malfunction Delays Astronaut Return

Astronauts Sunita Williams and Barry Wilmore's eight-day ISS mission extended to 288 days due to a thruster malfunction on their Boeing Starliner Calypso spacecraft on June 5, 2024, making it one of NASA's longest single missions.

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How does this mission compare to other record-breaking space missions in terms of duration and challenges faced?

The extended mission highlights the challenges of space travel, demonstrating the potential for unforeseen technical issues and their impact on mission duration. The incident underscores the importance of redundancy and robust contingency planning for future space missions.

pda.kp.ru

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Jan 27, 04:06

Astronaut Vision Problems Threaten Moon and Mars Missions

A study shows 70% of astronauts experience severe vision problems (SANS) after six months on the ISS due to microgravity and blood pooling in the eye, posing challenges for future Moon and Mars missions due to prolonged exposure and radiation.

Astronaut Vision Problems Threaten Moon and Mars Missions

A study shows 70% of astronauts experience severe vision problems (SANS) after six months on the ISS due to microgravity and blood pooling in the eye, posing challenges for future Moon and Mars missions due to prolonged exposure and radiation.

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What are the primary health risks associated with long-duration space travel, and how do these risks impact plans for future missions to the Moon and Mars?

A new study reveals that approximately 70% of astronauts experience severe vision problems after long-duration stays on the ISS, specifically after more than six months. This is primarily attributed to Spaceflight-Associated Neuro-ocular Syndrome (SANS), characterized by reduced eye stiffness, increased intraocular pressure, and other vision impairments.

dailymail.co.uk

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Jan 4, 01:06

Rural 5G Video Uploads Expose Users to Double the Radiation

A Swiss study found that uploading videos on 5G phones in rural areas exposes users to nearly double the radiation compared to urban areas (29 mW/sq-m vs 16 mW/sq-m), exceeding the WHO safety threshold, primarily due to increased phone emissions.

Rural 5G Video Uploads Expose Users to Double the Radiation

A Swiss study found that uploading videos on 5G phones in rural areas exposes users to nearly double the radiation compared to urban areas (29 mW/sq-m vs 16 mW/sq-m), exceeding the WHO safety threshold, primarily due to increased phone emissions.

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What are the specific differences in RF-EMF exposure between uploading videos in rural and urban 5G areas, and what are the immediate implications for users?

A new study reveals that uploading videos in rural areas with 5G exposes users to almost double the radiation compared to city users. This is not due to 5G towers but to mobile devices working harder to obtain a signal. The average rural exposure during uploads was 29 mW/sq-m, exceeding the WHO's recommended threshold of 10 mW/sq-m.

dailymail.co.uk

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Dec 16, 22:08

Chernobyl Fungus Converts Radiation into Energy, Offering Breakthrough for Space Travel and Waste Cleanup

Cladosporium sphaerospermum, a black fungus found thriving in Chernobyl's reactor, uses melanin to convert gamma radiation into energy through radiosynthesis; this discovery could revolutionize radiation shielding for space travel and radioactive waste cleanup.

Chernobyl Fungus Converts Radiation into Energy, Offering Breakthrough for Space Travel and Waste Cleanup

Cladosporium sphaerospermum, a black fungus found thriving in Chernobyl's reactor, uses melanin to convert gamma radiation into energy through radiosynthesis; this discovery could revolutionize radiation shielding for space travel and radioactive waste cleanup.

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How does the Chernobyl fungus, Cladosporium sphaerospermum, utilize radiation, and what are the immediate implications of this discovery for radiation protection?

The highly resilient black fungus Cladosporium sphaerospermum, discovered thriving in Chernobyl's highly radioactive environment, uses melanin to convert gamma radiation into chemical energy, a process called radiosynthesis. This unique adaptation allows it to grow faster in high-radiation areas, unlike most life forms which are harmed by radiation. This discovery opens avenues for radiation protection technologies.

pda.kp.ru

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Dec 7, 10:06

Ukraine Fortifies Chernobyl Border, Raising Environmental Concerns

Ukraine has allocated nearly 700 hectares within the Chernobyl Exclusion Zone to build border fortifications, raising concerns about the environmental and health consequences of this action within a radioactive area.

Ukraine Fortifies Chernobyl Border, Raising Environmental Concerns

Ukraine has allocated nearly 700 hectares within the Chernobyl Exclusion Zone to build border fortifications, raising concerns about the environmental and health consequences of this action within a radioactive area.

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What are the immediate consequences of constructing fortifications in the Chernobyl Exclusion Zone?

Ukraine has designated a 45-meter wide strip of land along its Belarusian border within the Chernobyl Exclusion Zone for fortifications, totaling almost 700 hectares. This decision, while ostensibly for national security, raises concerns about the environmental and health implications of construction in a radioactive area.

pda.kp.ru

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Nov 8, 07:20

Myths and Truths of Radiation Diagnostics

An interview with a radiologist about myths and truths of radiation diagnostics, including mammography, MRI, CT scans, and fluoroscopy.

Myths and Truths of Radiation Diagnostics

An interview with a radiologist about myths and truths of radiation diagnostics, including mammography, MRI, CT scans, and fluoroscopy.

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How often should a person get a mammogram?

For preventative purposes, a mammogram is recommended annually after age 40. However, a doctor may recommend more frequent screenings based on individual risk factors and medical history.

Showing 13 to 24 of 24 results