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North America is a diverse continent comprising 23 independent countries, including not only the well-known trio of the United States, Canada, and Mexico, but also nations in Central America and the Caribbean. These include Antigua and Barbuda, Cuba, Jamaica, and Panama, among others. Additionally, the continent features 23 non-self-governing territories, such as Puerto Rico and the British Virgin Islands. The definition of continents is complex and varies globally, with some arguing for as few as two continents based on geological criteria. The North American tectonic plate extends beyond the continent's political boundaries, encompassing regions like Greenland and parts of Iceland. Ultimately, the classification of continents is influenced by a mix of geological, political, and cultural factors, highlighting the intricate nature of geographical definitions. 
Published: Nov 13 2025, 10 pmeznews.inOn July 20, 1969, Neil Armstrong made history as he stepped onto the Moon, delivering a speech that captivated an estimated 650 million viewers worldwide. While the live broadcast showcased blurry images of this monumental event, NASA engineers at ground stations in California and Australia were privy to high-quality footage transmitted from the lunar surface. However, the need for live television led to a compromise, as the original video was degraded through scan-conversion technology. Following the mission, NASA lost the original recordings, which were part of a 200,000-tape batch that was inadvertently erased to make room for new satellite data. Despite a three-year search led by engineer Richard Nafzger, the tapes were deemed irretrievable. Fortunately, lower-quality footage has been restored and enhanced, allowing audiences to relive the historic Moon landing, albeit without the original clarity.
Published: Nov 18 2025, 6 pmeznews.inIn a remarkable decade since the first detection of gravitational waves, scientists have identified hundreds of such events, with a recent alert drawing significant attention due to its unusually small mass. The candidate detection, named S251112cm, suggests the possibility of a pair of objects with a combined mass less than that of the Sun, a scenario not previously observed. Researchers speculate that these could be neutron stars formed under unique conditions or even primordial black holes, theorized to have originated shortly after the Big Bang. While the event's false alarm rate stands at 1 in 6.2 years, indicating a need for cautious optimism, scientists are conducting further analyses to confirm its validity. Dr. Christopher Berry from the University of Glasgow emphasized the importance of extraordinary evidence to support such an extraordinary claim, as the gravitational wave observatories continue to push the boundaries of our understanding of the universe.
Published: Nov 18 2025, 2 ameznews.inA remarkable discovery in Italy has reshaped our understanding of Neanderthal facial anatomy, particularly regarding their nasal cavity. Researchers studying the well-preserved remains of the Altamura Man, estimated to be between 130,000 and 172,000 years old, found that the inner structure of the nasal cavity contradicts previous assumptions about cold-adapted features thought to be unique to Neanderthals. Contrary to earlier hypotheses suggesting specific adaptations, such as a swelling on the nasal cavity wall, the findings reveal that the Altamura Man's nasal cavity closely resembles that of modern humans, lacking these supposed traits. This new insight suggests that Neanderthals had their own unique adaptations for cold climates, challenging the notion of a paradoxical appearance between their robust body plan and large nasal openings. The study, published in the Proceedings of the National Academy of Sciences, highlights the complexity of Neanderthal adaptation strategies.
Published: Nov 18 2025, 4 ameznews.inThe Virtual Telescope Project is set to livestream the interstellar comet 3I/ATLAS on November 19, 2025, at 04:15 UTC, offering a unique opportunity for the public to witness this remarkable celestial object. Discovered by the Asteroid Terrestrial-impact Last Alert System (ATLAS) on July 1, 2023, 3I/ATLAS is the third known interstellar visitor, believed to have traveled through the galaxy for approximately 10 billion years. While some have speculated about its nature, including unfounded claims of it being an alien spacecraft, astronomers confirm its identity as a comet, complete with a visible ion and dust tail. The livestream will feature real-time images captured by robotic telescopes in Italy, allowing viewers to experience this extraordinary event from home. The Virtual Telescope Project emphasizes the significance of this comet, inviting enthusiasts and curious observers alike to join in the experience.
Published: Nov 17 2025, 9 pmeznews.inThe European Space Agency (ESA) has successfully utilized images from the ExoMars Trace Gas Orbiter (TGO) to enhance the orbital calculations of interstellar comet 3I/ATLAS, which was obscured from Earth by the Sun. This achievement not only deepens our understanding of the comet but also aids in predicting the trajectories of potentially hazardous objects. Despite challenges in tracking the comet's rapid movement and unpredictable gas emissions, ESA astronomers managed to reduce the uncertainty in 3I/ATLAS's path by a factor of ten. This precision allows for more efficient searches once the comet re-emerges from behind the Sun and establishes a baseline for assessing future gas outbursts. The ongoing observations from the Jupiter Icy Moons Explorer (JUICE) will further refine these calculations. ESA's efforts are part of a broader strategy to improve techniques for tracking near-Earth objects, with plans for the NEOMIR mission aimed at detecting asteroids approaching from the Sun's direction.
Published: Nov 17 2025, 11 pmeznews.inChina has announced the discovery of one of its largest gold deposits, the Dadonggou site in Liaoning province, which contains approximately 2.586 million tonnes of gold ore, translating to around 1,444 tonnes of gold. Valued at over $192 billion at current market prices, this find comes amid rising gold prices, which have surged to record highs of over $4,000 per ounce. The development of the mine will involve a collaboration between China National Gold Group, Liaoning Mineral Geology Group, and the Yingkou Municipal Government, with plans to invest over 20 billion yuan ($2.82 billion) from 2024 to 2027. This discovery follows a previous significant find in Hunan Province, further solidifying China's position as the world's largest gold producer. Experts highlight that the geological conditions in China, shaped by tectonic activity, are conducive to gold formation, enhancing the country's competitiveness in the global gold market.
Published: Nov 18 2025, 12 ameznews.inAlex Simpson, born in November 2005 in Omaha, Nebraska, defied grim expectations after being diagnosed with hydranencephaly, a rare condition where the cerebrum fails to develop, leaving only the cerebellum and brainstem. Initially, her parents were told she would likely not survive past six months, but she celebrated her 20th birthday this year. Hydranencephaly occurs in about one in 50,000 live births, often diagnosed via ultrasound during pregnancy. While most affected infants do not thrive, Alex has lived with significant medical needs, including a feeding tube and tracheostomy, requiring round-the-clock care. Her father noted that she has minimal brain tissue but retains some awareness of her surroundings. The cause of her condition is believed to be a stroke in utero, which interrupted oxygen supply to her developing brain. Despite the challenges, Alex's story highlights resilience in the face of severe medical adversity.
Published: Nov 17 2025, 10 pmeznews.inA new study has provided insights into the non-gravitational acceleration observed in comet 3I/ATLAS, our third confirmed interstellar visitor. Researchers, led by Florian Neukart from Leiden University, propose that this acceleration can be explained by conventional outgassing of volatiles, such as carbon dioxide and water, rather than invoking exotic or non-natural hypotheses. The comet, which was first detected on July 1, 2025, has exhibited typical cometary behavior, including the release of water as it approaches the Sun. Measurements indicate a radial acceleration of 135 kilometers per day squared and a transverse acceleration of 60 kilometers per day squared. The findings suggest that the observed acceleration aligns with thermophysical models, eliminating the need for more complex explanations. Further observations are anticipated to refine our understanding of this intriguing celestial object, which may serve as a time capsule from the early universe.
Published: Nov 13 2025, 10 pmeznews.inThis week, a significant health concern has emerged as nearly 90% of US adults are found to have at least one risk factor for a newly identified condition known as cardiovascular-kidney-metabolic (CKM) syndrome, yet most remain unaware of it. In genetic news, researchers have discovered that the ancient Jomon people of Japan possess virtually no Denisovan DNA, distinguishing them from other prehistoric populations. Meanwhile, Iceland has recorded its first-ever sighting of mosquitoes, leaving only one location on Earth free from the pests. Additionally, a unique "wind phone" in Dorset invites individuals to communicate with deceased loved ones, raising questions about the role of such practices in coping with grief. In environmental research, a study involving over two million children has linked autism rates to maternal exposure to certain pollutants during pregnancy, although the findings suggest these factors are not the primary causes of autism.
Published: Nov 15 2025, 12 pmFor the fastest, latest, not so wokest news, 'experts say' you need to visit Eznews
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