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The Andromeda galaxy, the closest large galaxy to the Milky Way, is on a collision course with our galaxy, set to merge in several billion years. Recent observations from the Hubble Space Telescope, spanning over a decade, have produced the most detailed view of Andromeda to date, creating a 2.5 billion-pixel mosaic from 600 separate fields of view. This extensive study resolved around 200 million stars, revealing that Andromeda is more chaotic than previously thought, likely due to past collisions, including a possible interaction with its satellite, Messier 32. Researchers describe Andromeda as a transitional galaxy, exhibiting characteristics of both star-forming spirals and aging elliptical galaxies. Principal investigator Ben Williams emphasized that this detailed analysis will enhance our understanding of Andromeda's merger history, while co-researcher Daniel Weisz noted its complex stellar population and star formation history. A paper detailing these findings has been published in The Astrophysical Journal. 
Published: Jan 17 2025, 10 pmeznews.inThe colour of nasal mucus, or snot, can provide valuable insights into an individual's immune health, according to researchers from York St John University. Clear mucus is typical of a healthy state, while white mucus often indicates congestion and the onset of an infection. Yellow mucus suggests that the immune system is actively combating an infection, as white blood cells release enzymes that change its colour. A green hue indicates a heightened immune response, often associated with bacterial infections. Pink or red mucus may signal the presence of blood due to irritation, while brown or orange can result from environmental debris or dried blood. Rarely, black mucus may indicate serious conditions like fungal infections. Understanding these variations in mucus can help differentiate between viral and bacterial infections, highlighting the body's complex defence mechanisms at work.
Published: Jan 22 2025, 5 ameznews.inPallasite meteorites, rare and stunning extraterrestrial rocks, are characterized by their unique composition of olive-green olivine crystals embedded in metal. With only about 300 known specimens among over 60,000 recognized meteorites, they are rarer than diamonds and offer valuable insights into the Solar System's history. Formed from differentiated asteroids, pallasites are believed to originate at the boundary between the core and mantle, although some scientists propose that collisions in the early Solar System may have mixed these materials. The Imilac meteorite, one of the largest and oldest pallasites at over 4.5 billion years, exemplifies their beauty and scientific significance. Found in Chile, it is not only a collector's gem but also a stable specimen for ongoing research, providing clues about the Earth's interior and the processes that shaped our planet.
Published: Jan 22 2025, 6 ameznews.inPolish researchers have unveiled a stunning new map that intricately details supernatural stories from Polish and German folklore, particularly along the Polish-German border. Designed to resemble Renaissance maps, it highlights various mythical beings such as devils, spirits, gnomes, and dragons, based on 1,500 accounts collected in the 19th and early 20th centuries. Of these, 600 stories are linked to specific landscape features, showcasing the cultural significance of these narratives. The map is part of a broader study that employs modern Geographic Information System (GIS) tools to spatially analyze folklore, merging artistic elements with contemporary research methodologies. The project aims to preserve intangible heritage and offers insights into the socio-cultural context of these tales. The map and accompanying research are published in the Journal of Maps, contributing to the growing field of Computational Folkloristics.
Published: Jan 21 2025, 2 ameznews.inIn 46 BCE, the Roman calendar experienced an unprecedented length of 445 days, making it the longest year in recorded history, often referred to as the "year of confusion." This anomaly arose as Julius Caesar sought to reform the disordered calendar, which had fallen out of sync with the Earth's orbit due to the previous system's inefficiencies. Before Caesar's reforms, the Roman calendar comprised only four months of 31 days, with others shorter, leading to significant discrepancies, such as a recorded eclipse occurring months off its actual date. To realign the calendar with the seasons, Caesar added two extra months between November and December, abolishing the intercalary month and establishing a more consistent 365-day year with a leap day every four years. This overhaul aimed to ensure that seasonal festivals aligned correctly, marking a significant shift in how time was measured in the Roman world.
Published: Jan 21 2025, 2 pmeznews.inSpaceX's seventh test flight of the Starship, conducted on January 16 at 7:37 PM ET, ended in failure as the rocket exploded 8.5 minutes into its flight, with debris falling over the Turks and Caicos Islands. Initially deemed a success due to the successful recovery of the Super Heavy booster by the mechanical arms known as Mechazilla, the mission quickly turned disastrous when Starship experienced a "rapid unscheduled disassembly." Fortunately, there were no reported casualties, but the incident raised concerns about safety near populated areas and led to flight delays, including those by Qantas. The Federal Aviation Administration (FAA) is set to investigate the incident, a standard procedure following such failures. Despite the setback, SpaceX remains committed to the Starship program, which is crucial for NASA's Artemis missions to return humans to the Moon, with further tests planned for 2025.
Published: Jan 17 2025, 8 pmeznews.inIn a thought-provoking exploration published in the Journal of Astrobiology, two University of Cambridge scientists have drawn inspiration from the fictional Silurians of *Doctor Who* to pose a compelling question: could evidence of an ancient industrial civilization be detected in the geological record? The paper, titled "The Silurian Hypothesis," does not assert that such a civilization existed but examines the potential "geological fingerprints" it might leave behind. The researchers highlight the brief duration of human industrial civilization—approximately 300 years—compared to the Earth's extensive history, raising the possibility that earlier advanced societies could have existed. They discuss markers that could indicate past civilizations, such as synthetic molecules and radioactive fallout, while cautioning that sustainable practices might leave minimal geological traces. Ultimately, the authors hope their inquiry will inspire further research into both astrobiology and the Anthropocene, enhancing our understanding of civilization's impact on Earth.
Published: Jan 16 2025, 11 pmeznews.inIn a whimsical new video, xkcd cartoonist and science communicator Randall Munroe explores the intriguing concept of a swimming pool on the Moon. He explains that buoyancy would still allow astronauts to float in lunar water, as the upward force exerted by the fluid remains consistent regardless of gravity. Swimming would feel similar to Earth, but the Moon's low gravity would create larger waves and enable astronauts to leap from the water like dolphins. Additionally, Munroe references a 2012 study suggesting that humans could potentially run on water in the Moon's reduced gravity, provided they weigh under 73 kilograms (160 pounds). This would be a significant departure from Earth, where the required speed to run on water is unattainable for humans. Munroe's playful vision raises the possibility of a future where lunar leisure activities include swimming and water running, adding a new dimension to space exploration.
Published: Jan 17 2025, 5 ameznews.inGoogle has unveiled its top searches for 2024, highlighting a year marked by significant global events and concerns. Extreme weather phenomena dominated search queries, reflecting growing anxieties about climate change. Notably, the most-searched terms included major sporting events like the Copa América and the UEFA European Championship, alongside public figures such as Donald Trump and Catherine, Princess of Wales, the latter likely due to her recent cancer diagnosis. In the U.S., the election cycle overshadowed other topics, with Trump leading search interest over Kamala Harris. The top news searches globally also featured excessive heat and Hurricane Milton, underscoring the impact of severe weather. Additionally, searches for recently deceased celebrities, including Liam Payne and Toby Keith, were notable. Google Maps data revealed Central Park as the most-viewed park worldwide, reflecting ongoing public interest in outdoor spaces. For more detailed insights, users can explore Google Trends.
Published: Jan 21 2025, 10 ameznews.inT Coronae Borealis, known as "The Blaze Star," is set to brighten dramatically once again, with predictions suggesting a nova eruption could occur before September 2024. This recurring nova, located 3,000 light-years away, consists of a red giant and a white dwarf, the latter of which siphons material from its companion, leading to explosive outbursts approximately every 80 years. Historical records indicate previous eruptions in 1787, 1866, and 1946, with a potential earlier event noted in a medieval manuscript from 1217. Researchers, including Dr. Gerard van Belle from the Lowell Observatory, emphasize the uncertainty of the exact timing, but observations over the past eight years indicate a high likelihood of an imminent explosion. Astronomers, including those using NASA’s Fermi telescope, are closely monitoring the constellation of Corona Borealis, offering a rare opportunity for both scientists and amateur astronomers to witness this celestial phenomenon.
Published: Jan 19 2025, 11 amFor the fastest, latest, not so wokest news, 'experts say' you need to visit Eznews
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