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A study from the Duke Canine Cognition Center has revealed that a dog's ability to cope with stress and perform tasks is closely linked to its temperament. Researchers tested two groups of dogs—pet dogs and service dogs—by measuring their reactions to stress-inducing situations. The experiment involved retrieving a treat while being encouraged in either a calm or excited manner. While the service dogs thrived under enthusiastic encouragement, the more excitable pet dogs struggled, with one spaniel breaking down under pressure. This aligns with the Yerkes-Dodson law, which suggests that moderate stress can enhance performance, but excessive stress can hinder it. The findings aim to assist trainers in selecting service dogs that can better handle high-stress environments, highlighting the importance of temperament in canine performance. 
Published: Dec 01 2025, 9 ameznews.inThe European Space Agency's Mars Express and ExoMars Trace Gas Orbiter have expanded their capabilities beyond their primary missions, recently capturing data on interstellar comet 3I/ATLAS and measuring Martian surface winds. Utilizing a comprehensive catalog of 1,039 dust devils—tornado-like phenomena observed by various rovers and orbiters—the spacecraft revealed that wind speeds can reach up to 160 kilometers (100 miles) per hour, significantly faster than previously estimated. Lead author Valentin Bickel noted that dust devils make the invisible winds visible, allowing for a global mapping of wind patterns on Mars, a feat previously unattainable due to limited data. This new understanding is crucial for future exploration missions, particularly those relying on solar power, as dust storms can obscure sunlight and jeopardize equipment. The findings were published in *Science Advances*, highlighting the importance of understanding Martian atmospheric dynamics.
Published: Dec 01 2025, 2 pmeznews.inAstronomers have unveiled the largest low-frequency radio image of the Milky Way, created by Curtin University PhD student Silvia Mantovanini using a supercomputer to merge data from two radio surveys, GLEAM and GLEAM-X, conducted at the Murchison Widefield Array telescope in Western Australia. This new image boasts double the resolution and size of the previous GLEAM map from 2019, with ten times the sensitivity, offering unprecedented insights into the galaxy's structure and stellar evolution. Mantovanini's research highlights supernova remnants and stellar nurseries, with the vibrant image revealing exploded stars as large red circles and active star-forming regions as smaller blue areas. The groundbreaking map is expected to facilitate numerous discoveries, with the SKA Observatory's upcoming SKA-Low telescope anticipated to surpass it in sensitivity and resolution within the next decade. The findings are detailed in the Publications of the Astronomical Society of Australia.
Published: Dec 01 2025, 11 ameznews.inThe East Antarctic Plateau holds the title of the coldest place on Earth, with temperatures at Russia's Vostok Station plummeting to -89.2°C (-128.6°F) on July 23, 1983. Recent satellite data from the National Snow and Ice Data Center, covering 2004 to 2016, revealed even lower temperatures of around -98°C (-144.4°F) in the region during the polar night, particularly at altitudes of 3,800 to 4,050 meters (12,467 to 13,287 feet). These extreme conditions are exacerbated by a strong Antarctic polar vortex, which traps cold air. While these temperatures are naturally occurring, scientists have achieved even colder conditions in laboratory settings, nearing absolute zero. In 2021, German researchers set a record by cooling rubidium atoms to 38 picokelvins, creating a Bose-Einstein condensate, where atoms behave as a single quantum entity, showcasing the bizarre phenomena of quantum physics.
Published: Nov 27 2025, 11 pmeznews.inA recently discovered ancient Babylonian clay tablet, dating back to 1770 BCE, reveals that the Pythagorean theorem predates the Greek philosopher Pythagoras by over a millennium. The tablet, known as IM 67118, demonstrates the use of the theorem to calculate the diagonal of a rectangle, indicating that Babylonian mathematicians were aware of this mathematical principle long before Pythagoras was born around 570 BCE. Another tablet from 1800-1600 BCE also shows knowledge of the theorem through labeled triangles. Mathematician Bruce Ratner notes that the Babylonians understood the relationship between a square's diagonal and its sides, suggesting familiarity with the theorem's special case. The attribution of the theorem to Pythagoras likely stems from the secretive nature of his school, which passed knowledge orally, leading to many discoveries being credited to him. Despite not originating the theorem, Pythagoras's school played a crucial role in its popularization.
Published: Dec 01 2025, 6 ameznews.inEvery year, numerous Americans find themselves in emergency rooms due to mishaps involving sex toys, with data from the National Electronic Injury Surveillance System revealing a steady increase in such incidents over the past decade. Common items causing trouble include vibrators, cock rings, and butt plugs, with the majority of cases involving rectal insertions. Experts attribute the rise in accidents to the growing normalization of sex toys, fueled by celebrity endorsements and improved accessibility through online shopping. Notably, men are more frequently admitted for these incidents, often due to a tendency to engage in riskier sexual behaviors. The data indicates that vibrators are the most commonly "stuck" toys, primarily due to their lack of flared bases. Experts emphasize the importance of education on safe practices, particularly regarding anal play, to prevent these embarrassing and painful situations.
Published: Dec 01 2025, 4 ameznews.inAstronomers and space enthusiasts are captivated by the interstellar comet 3I/ATLAS, first detected on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS). Recent images from NASA, ESA, and China's Tianwen-1 orbiter have showcased the comet's features, with NASA's Perseverance rover capturing a faint glimpse from Mars. The comet passed Mars at a distance of 19 million miles, allowing three NASA spacecraft, including the Mars Reconnaissance Orbiter, to gather data. Meanwhile, the European Space Agency's Jupiter Icy Moons Explorer (JUICE) is set to observe 3I/ATLAS between November 2 and 25, using five instruments, although images will not be available until February 2026 due to the spacecraft's thermal constraints and distance from Earth. Looking ahead, ESA is developing the Comet Interceptor mission, which aims to study comets from the outer solar system, potentially including interstellar visitors like 3I/ATLAS.
Published: Nov 27 2025, 7 pmeznews.inScientists are unraveling the complex mechanisms that guide cells in developing into specific body parts, such as brain, bone, or liver cells, based on their location. This specialization is crucial for both biological organisms and societal functions, where individuals often excel in specific areas. Central to this process are morphogens—molecules that create gradients, helping cells determine their roles by responding to their abundance and direction. Professor Arthur Lander from the University of California, Irvine, highlights the need for precision, especially in injury repair, where cells must accurately assess their position. While morphogen gradients are vital, cells also employ strategies to manage measurement errors, such as degrading morphogens to clarify their environment. Despite significant advances since the concept was introduced by Alan Turing, many morphogens remain unidentified, indicating that our understanding of cellular organization is still evolving.
Published: Nov 30 2025, 1 ameznews.inThroughout history, instances of human cruelty have emerged, often driven by the mere ability to inflict harm. The Stanford Prison Experiment and Marina Abramović's provocative art piece illustrate how easily individuals can resort to violence when given power or a weapon. A particularly shocking example occurred in 2000 at Denmark's Trapholt Museum, where artist Marco Evaristti presented an installation featuring ten blenders, each containing a goldfish. Visitors faced a moral dilemma: to press the button and kill the fish or refrain from doing so. While most abstained, one individual did press the button, resulting in the death of two goldfish. This act sparked outrage, leading to police intervention and a fine for the museum owner, Peter Meyer, who refused to comply, citing artistic freedom. Ultimately, he was acquitted of animal cruelty, highlighting a disturbing aspect of human nature where cruelty can exist without justification.
Published: Dec 01 2025, 2 ameznews.inGenghis Khan, born Temüjin near Lake Baikal, is a polarizing historical figure known for uniting Mongolia and establishing an empire stretching from China to the Adriatic Sea. While he is often remembered for his military conquests, a 2003 genetic study revealed that nearly one in 12 men in Asia share a Y-chromosomal lineage likely linked to him, suggesting that about 16 million people today may be his descendants. This genetic legacy stems from cultural practices rather than mere biological selection, as Khan's conquests decimated local populations, allowing his lineage to proliferate. Officially, he had at least nine children with his primary wife, Börte, but the true number is likely higher due to numerous concubines. Despite his genetic impact, Khan's legacy is marred by the estimated 40 million deaths resulting from his invasions, underscoring the duality of his historical significance as both a progenitor and a conqueror.
Published: Nov 28 2025, 12 amFor the fastest, latest, not so wokest news, 'experts say' you need to visit Eznews
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