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Marie Curie, celebrated for her groundbreaking research on radioactivity, remains a pivotal figure in science, having won two Nobel Prizes and earning the title of the "mother of modern physics." Alongside her husband Pierre, she discovered the radioactive elements polonium and radium in 1898, which contributed to her Nobel Prize in Physics in 1903. Curie's subsequent Nobel Prize in Chemistry in 1911 recognized her isolation of pure radium, significantly advancing cancer treatment. However, her relentless work with radioactive materials led to her death from aplastic anemia in 1934, a condition linked to radiation exposure. Curie's remains were so radioactive that she was interred in a lead-lined coffin, a fact only revealed after her exhumation in 1995. Today, many of her personal belongings, including laboratory notes, remain highly radioactive, stored under strict safety measures, serving as a lasting testament to her extraordinary yet perilous legacy. 
Published: Oct 14 2025, 1 ameznews.inA recent survey by YouGov across 13 countries has prompted a urologist to recommend that men should sit down to urinate. The survey revealed significant variations in habits, with only 10% of American men reporting they always sit down, compared to a majority in Germany, where the term "sitzpinkler" humorously refers to those who do. Urological consultant Gerald Collins highlighted the health benefits of sitting, noting that it promotes better bladder emptying by relaxing pelvic muscles, which is particularly beneficial for older men with enlarged prostates. Studies indicate that men with urinary issues experience improved flow when seated, reducing the risk of complications like urinary tract infections and bladder stones. Given that over 90% of men in their 80s face prostate enlargement, Collins suggests that adopting this practice early could be advantageous for men's health. 
Published: Oct 11 2025, 12 pmeznews.inInterstellar object 3I/ATLAS, widely recognized as a comet, has sparked a flurry of speculation, with some claiming it could be an alien spacecraft. Despite the scientific consensus on its cometary nature, imaginative theories abound, including suggestions from academics that it might be a giant cosmic animal, such as a space squid or turtle. The comet, currently not visible from Earth due to its position on the opposite side of the Sun, has been observed from Mars and will be studied by the upcoming JUICE mission. While some enthusiasts propose whimsical ideas, others emphasize the significance of 3I/ATLAS as a potential time capsule, possibly billions of years older than Earth. Experts like Colin Wilson from the European Space Agency advocate for appreciating its true nature, highlighting its intriguing origins rather than indulging in fanciful interpretations. As humanity awaits future interstellar missions, 3I/ATLAS remains a captivating subject of both scientific inquiry and public imagination. 
Published: Oct 14 2025, 10 pmeznews.inEarth has officially crossed its first climate tipping point, with warm-water coral reefs now facing unprecedented die-offs due to rising ocean temperatures, according to the second Global Tipping Points Report. Global temperatures are currently about 1.4°C above pre-industrial levels, surpassing the critical heat threshold for coral reefs, which is around 1.2°C. Even limiting warming to 1.5°C presents a 99% chance that these ecosystems will reach a point of no return. The report, involving over 160 scientists from 87 institutions, warns that this shift could lead to irreversible damage across various natural systems, including the Amazon rainforest and polar ice sheets. Dr. Mike Barrett from WWF-UK described the findings as a "tragedy" for both nature and communities reliant on coral reefs. The report is being released ahead of COP30, where global leaders will discuss urgent climate action to mitigate these tipping points. 
Published: Oct 15 2025, 12 ameznews.inThe "Purple Earth Hypothesis," proposed by Professor Shiladitya DasSarma and Dr. Edward Schwieterman, suggests that early Earth may have been dominated by purple microorganisms rather than the green life forms we see today. This theory posits that before the Great Oxygenation Event, when the atmosphere was rich in carbon dioxide and methane, photosynthetic organisms utilized retinal, a simpler pigment that absorbs green light and reflects purple. This could have given the oceans a mauve tint, as these retinal-rich microbes thrived in low-oxygen environments. As evolution progressed, chlorophyll-based photosynthesis emerged, allowing organisms to exploit blue and red light wavelengths, leading to the dominance of green life forms. While chlorophyll is now the predominant pigment on Earth, the hypothesis highlights the potential for alternative life forms elsewhere in the universe, suggesting that purple or other colors could signify life under different environmental conditions. 
Published: Oct 14 2025, 10 pmeznews.inIn a recent Reddit post, a user showcased a time-lapse video demonstrating the Earth's curvature through the phenomenon of an analemma, a figure-eight pattern traced by the shadow of a garage over a year. This visual evidence counters flat Earth theories, which have previously led some to undertake misguided expeditions to prove the Earth is flat, only to confront the reality of its spherical shape. The analemma results from the Earth's axial tilt and elliptical orbit around the Sun, causing variations in solar noon throughout the year. While flat Earth models struggle to explain this phenomenon, the analemma aligns with established solar system models, reinforcing the understanding of Earth's shape. As one Reddit user noted, the evidence presented is consistent with scientific principles, highlighting the challenges flat Earth proponents face in reconciling their beliefs with observable phenomena. 
Published: Oct 14 2025, 10 pmeznews.inIn 1965, the US Air Force and MIT's Lincoln Laboratory launched the first super-high-frequency satellites, LES-1 and LES-2, aimed at demonstrating military space communications. While LES-1, launched on February 11, 1965, failed to meet most objectives due to a miswiring issue and ceased transmission in 1967, its twin, LES-2, successfully achieved its intended orbit. Remarkably, in 2013, amateur radio astronomer Phil Williams detected a signal from the long-silent LES-1, which had become a "zombie satellite." This phenomenon, attributed to potential electrical shorts allowing power from solar cells to reach the transmitter, led to a revival of interest in the satellite. Lincoln Laboratory has since recorded its signals, highlighting LES-1's historical significance in satellite communications. Despite its age, the satellite remains operational and continues to orbit Earth, showcasing the enduring legacy of early space technology. 
Published: Oct 14 2025, 11 pmeznews.inComet 3I/ATLAS, the third known interstellar visitor to our Solar System, is providing valuable insights into its formation conditions as it traverses space. Recent observations reveal an unusual abundance of nickel compared to iron, with 3I/ATLAS emitting more nickel than Solar System comets and its interstellar counterpart, Comet 2I/Borisov. A preliminary study indicates the comet is releasing hydrogen cyanide, a common prebiotic molecule, while NASA's Neil Gehrels Swift Observatory has detected hydroxyl (OH) gas, a chemical marker for water, suggesting the comet emits approximately 40 kilograms of water per second. This high level of activity implies that 8% of its surface is active, indicating it may be billions of years older than the Solar System and likely originates from the thick disk of the Milky Way. As researchers continue to study this enigmatic object, they anticipate further revelations about the nature of interstellar comets. 
Published: Oct 10 2025, 11 pmeznews.inA new study challenges the long-held classification of Uranus and Neptune as "ice giants," suggesting they may instead be "rocky giants." These two planets, the most distant in our Solar System, have only been visited once by Voyager 2 over 30 years ago, leaving much about their composition and structure unknown. Traditional models have relied on indirect observations, but researchers have developed new random models that align more closely with current data, indicating a rockier internal structure. The authors emphasize the need for dedicated missions to these planets to gather more accurate data and refine our understanding of their interiors, which could explain their unusual magnetic fields. Professor Brian Cox advocates for such missions, highlighting the overwhelming case for further exploration. The study, accepted for publication in Astronomy & Astrophysics, underscores the complexity of these enigmatic worlds and the necessity for improved observational data. 
Published: Oct 14 2025, 9 pmeznews.inSince the advent of nuclear weapons, the threat of global annihilation has loomed large, with studies indicating that as few as 100 warheads could trigger a nuclear winter, potentially resulting in the deaths of up to 1 billion people. As of 2023, the world is home to approximately 12,500 nuclear warheads, held by nine nations: Russia, the USA, China, the UK, France, Pakistan, Israel, North Korea, and India. Notably, the US has lost track of six nuclear weapons, raising concerns about accountability. A humorous yet misleading graphic once suggested that "Jeff" was the tenth largest nuclear power, but this refers to the Joint Evaluated Fission and Fusion Project, an international nuclear data initiative, rather than an individual. While the notion of a person named Jeff possessing nuclear arms is unfounded, it highlights the complexities and quirks surrounding nuclear data management. 
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