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Maintaining hygiene in space presents unique challenges, particularly regarding laundry, as water is a precious resource aboard the International Space Station (ISS). Astronauts often wear the same clothes for extended periods, with garments replaced only when they become uncomfortable or excessively dirty. Discarded clothing typically becomes waste, incinerated upon re-entry into the atmosphere. Current solutions include testing advanced fabrics that inhibit bacteria growth and exploring detergents like Tide Infinity, which is designed for minimal water use. Procter & Gamble has collaborated with NASA to trial various cleaning products, including Tide To-Go Wipes for stain removal. While there are ongoing efforts to develop a functional washing machine for future missions to the Moon or Mars, effective laundry solutions remain a work in progress, highlighting the need for innovations that could also benefit Earth. 
Published: Dec 01 2025, 10 ameznews.inEach year, thousands search online for answers to the question, "Why does my belly button smell?" The primary cause is often a buildup of bacteria, which thrive in the warm, moist environment of the navel. Research from North Carolina State University revealed over 2,300 bacterial species in belly buttons, with some potentially new to science. While a mild odor can be normal, proper hygiene—washing with warm water and soap—can help mitigate smells. However, persistent odors or discharge may indicate more serious issues, such as cysts or infections, including yeast infections caused by an overgrowth of the fungus *Candida*. Maintaining cleanliness and ensuring the area is dry after washing are key preventive measures. If concerns persist, consulting a healthcare professional is advised, as they can provide appropriate diagnosis and treatment.
Published: Dec 04 2025, 12 pmeznews.inMany people experience small, worm-like structures in their vision, particularly against bright backgrounds like a clear sky or snow. These are known as eye floaters, caused by clumps of protein, tissue, or red blood cells within the vitreous humor, the jelly-like substance in the eye. While generally harmless, a sudden increase in floaters can signal more serious conditions, such as posterior vitreous detachment. Another phenomenon, the blue field entoptic phenomenon, occurs when looking at a bright blue sky, revealing small, darting dots caused by white blood cells moving through the eye's blood vessels. These dots, which vary in speed with the heartbeat, are typically benign but can provide insights into retinal health. Ophthalmologists advise seeking medical attention for any significant changes in vision, particularly a sudden onset of floaters, as they may indicate underlying issues.
Published: Dec 04 2025, 8 ameznews.inCincinnati Zoo is celebrating the remarkable milestone of Lazzie, the world’s oldest little penguin, who has just turned 25. While this age may not seem extraordinary for humans, it is impressive for a little penguin (_Eudyptula minor_), which typically lives less than 20 years in managed care. Lazzie, the first little penguin to hatch at the zoo in 2000, has thrived thanks to the dedicated care from the zoo's staff, allowing her to keep pace with younger members of her colony. Little penguins, averaging just 30 centimeters tall and weighing over a kilogram, are often referred to as "fairy penguins." Despite being classified as Least Concern by the IUCN, they face threats from predators like dogs. Fortunately, they are protected in Australia and New Zealand, and Lazzie's longevity highlights the potential for these charming birds to thrive under proper care.
Published: Nov 29 2025, 9 ameznews.inThe first near-Earth asteroid ever discovered, 433 Eros, will make a close fly-by of Earth this weekend, passing approximately 60 million kilometers (37.2 million miles) away on November 30, 2025. This safe distance allows for excellent viewing opportunities, as the stony asteroid, measuring around 34 × 11 × 11 kilometers, will shine brightly for several weeks and can be observed with a modest telescope. Eros will skim near the Andromeda Galaxy, our closest galactic neighbor, during its approach. For those unable to view it in person, the Virtual Telescope Project will livestream the event at 8pm UTC. Discovered in 1898 by German astronomer Gustav Witt, Eros has been the subject of significant scientific study, including a historic landing by NASA's NEAR Shoemaker spacecraft in 2001, which conducted groundbreaking experiments on its surface.
Published: Nov 30 2025, 3 pmeznews.inA groundbreaking solution to Euler's "36 Officers" problem, which has stumped mathematicians for 243 years, has been achieved using quantum entanglement. Euler posed the challenge of arranging six regiments, each with six officers of different ranks, in a square formation without repeating ranks or regiments in any row or column. Initially deemed impossible, the problem was later proven unsolvable for this specific configuration. However, a 2022 study published in *Physical Review Letters* suggests that if the officers exist in a state of quantum entanglement, a solution is possible. This innovative approach leverages the concept of superposition, allowing officers to embody multiple ranks simultaneously. The researchers' findings not only resolve a long-standing mathematical conundrum but also pave the way for further exploration in quantum combinatorics, potentially revealing new dimensions of quantum systems.
Published: Dec 04 2025, 4 ameznews.inIn the late 1960s, American psychologist Harry Harlow developed a controversial experimental device known as the "pit of despair" to study depression and loneliness in rhesus macaque monkeys. This apparatus, resembling a torture device, isolated the monkeys in a cold, vertical chamber for weeks, with minimal care, to simulate the emotional depths of human depression. Harlow's findings revealed that prolonged isolation led to profound behavioral changes, with monkeys exhibiting a lack of social interaction and curiosity even after being freed. Despite Harlow's claims of the device's potential for understanding depression, ethical concerns have overshadowed his legacy, with critics labeling his methods as sadistic. Harlow's work, which challenged earlier parenting theories emphasizing emotional distance, has influenced child development practices, yet his experiments would likely not pass modern ethical standards. Today, animal testing remains prevalent in research, with thousands of non-human primates still used annually in the U.S.
Published: Dec 03 2025, 2 ameznews.inA remarkable discovery in Bolivia's Torotoro National Park has unveiled the largest collection of dinosaur footprints ever recorded at a single site, with 16,600 prints identified, including 1,321 trackways and 289 solitary prints. The Carreras Pampa tracksite, spanning 7,485 square meters, showcases a variety of three-toed theropod footprints, some measuring over 30 centimeters, indicating a diverse range of species during the late Cretaceous period. Researchers, led by Dr. Raúl Esperante, noted that the site also features the highest number of continuous swimming trackways globally, as claw marks suggest dinosaurs were wading in shallow water. The preservation of tail traces on over 30 trackways marks a significant first for South America. While the site has become a tourist attraction, careful management by guides and park rangers has helped protect these invaluable remnants of the past, offering insights into the behavior and movement of dinosaurs in their natural habitat.
Published: Dec 04 2025, 2 ameznews.inInterstellar comet 3I/ATLAS is set to make its closest approach to Earth this month, passing at a distance of approximately 270 million kilometers (168 million miles) on December 19, 2025. Discovered by the Asteroid Terrestrial-impact Last Alert System (ATLAS) on July 1, the comet was initially traveling at 137,000 miles per hour, accelerating to 153,000 miles per hour as it neared the Sun. Astronomers estimate its nucleus measures between 1,400 feet and 3.5 miles in diameter. While 3I/ATLAS poses no threat to Earth, having already passed Mars safely, it offers a unique opportunity for astronomy enthusiasts to observe it with binoculars or telescopes. The comet will be visible in the eastern sky before dawn, near the star Regulus in the constellation Leo. Following its Earth flyby, 3I/ATLAS will have a close encounter with Jupiter on March 16, 2026, which may alter its trajectory.
Published: Dec 03 2025, 11 pmeznews.inPhysicists at the National Institute of Standards and Technology (NIST) have revealed that time on Mars runs faster than on Earth, with Martian clocks ticking an average of 477 microseconds faster per day. This discrepancy, influenced by Mars's eccentric orbit and gravitational pull, can vary by as much as 226 microseconds daily, unlike the more stable time difference observed on the Moon, where clocks are 56 microseconds faster. The research, which incorporates the complexities of gravitational interactions between the Sun, Earth, Moon, and Mars, aims to inform future navigation systems for interplanetary travel. NIST physicist Bijunath Patla noted the challenges of accounting for these variables, while colleague Neil Ashby emphasized the importance of precise timekeeping for potential Mars missions. Ultimately, spending 50 years on Mars would result in an individual aging nine seconds more than if they remained on Earth, highlighting the practical implications of time dilation as described by Einstein's theory of relativity.
Published: Dec 04 2025, 12 amFor the fastest, latest, not so wokest news, 'experts say' you need to visit Eznews
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