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The case of Melissa Caddick has underscored the complexities of marine forensics, particularly in understanding why some human remains sink while others float. Human bodies, composed largely of water, have a density similar to that of water, which means they can sink if their lungs are empty. However, factors such as the cause of death and the type of water—fresh or salt—play crucial roles in determining buoyancy. Research indicates that drowning victims can sink within seconds, while decomposition produces gases that may eventually cause a body to float. The rate of decomposition is influenced by temperature, salinity, and marine life, with colder waters slowing the process significantly. This knowledge aids forensic experts in estimating how long a body has been submerged and assists in search efforts for missing persons, highlighting the intricate relationship between marine environments and forensic science. 
Published: Aug 07 2025, 9 ameznews.inA significant number of men grapple with anxiety over penis size, often feeling inadequate despite studies indicating that most fall within a normal range. Research shows that around two-thirds of men are dissatisfied with their size, leading to a phenomenon known as "small penis syndrome," where individuals with average-sized penises perceive themselves as below average. A comprehensive review of over 15,000 men revealed that the average erect penis measures approximately 5.16 inches, a figure that many men mistakenly believe to be larger. Experts suggest that societal pressures, including media portrayals and unrealistic standards, contribute to these feelings of inadequacy. Urologists emphasize the importance of accurate information and sexual education to combat these misconceptions, advocating against surgical interventions that carry risks. Ultimately, understanding the normal size range can help alleviate concerns and promote healthier body image among men.
Published: Aug 09 2025, 4 ameznews.inResearchers from the University of Oxford have identified seven universal moral principles that underpin human cooperation, suggesting these behaviors are biologically ingrained through evolution. The study, published in *Current Anthropology*, posits that these morals—helping kin, aiding one's group, reciprocating, bravery, deferring to superiors, dividing resources fairly, and respecting prior possession—are essential for societal success and conflict resolution. By analyzing ethnographic reports from 60 cultures, the researchers concluded that these principles are universally regarded as morally good, countering the views of philosophers like John Locke, who doubted the existence of a common ethical code. Dr. Oliver Scott Curry, a lead author of the study, emphasized the potential for these findings to foster mutual understanding across cultures, highlighting a shared commitment to cooperation and the common good.
Published: Aug 12 2025, 8 pmeznews.inA team of scientists has unveiled "Chrysalis," a generational spaceship designed to transport humans on a 400-year journey to Alpha Centauri. As part of Project Hyperion, the winning design features a simple, cylindrical structure to ensure safety during acceleration at speeds of 0.01% of light speed. The ship, measuring over 58 kilometers and weighing approximately 2.4 billion tons, would be constructed at Lagrange Point 1 between Earth and the Moon, taking 20-25 years to build. To prepare for this monumental voyage, the first generation of inhabitants would spend 70-80 years in Antarctica, adapting to isolated living conditions. The design incorporates rotating interior shells to create artificial gravity, addressing health concerns associated with long-term space travel. While still a concept, Chrysalis represents humanity's aspirations for interstellar exploration, emphasizing the psychological and societal implications of such a journey for future generations.
Published: Aug 12 2025, 9 pmeznews.inA remarkable migration of aerosols, microscopic particles that can drift for days, is continuously occurring high above the Earth. A recent video created by NASA’s Scientific Visualization Studio illustrates this phenomenon, showcasing the movement of aerosols from August 1 to September 14, 2024, using data from satellites and ground measurements. Different types of aerosols are color-coded: sea salt appears in deep blue, desert dust in magenta, wildfire smoke in fiery orange and red, and sulfate particles in bright green. Notably, a significant plume of Saharan dust impacted air quality across the Caribbean and parts of the U.S., while volcanic eruptions from Hawaii and Italy released sulfate particles. The visualization also highlights the influence of tropical storms, such as Hurricane Ernesto, on aerosol distribution. By mapping these airborne journeys, NASA aims to enhance understanding of air quality and the interconnectedness of our planet's atmosphere.
Published: Aug 12 2025, 7 pmeznews.inResearchers at the Scripps Research Institute have unveiled a groundbreaking "evolution engine" named T7-ORACLE, which accelerates protein evolution in laboratory settings. This innovative system introduces mutations into _E. coli_ at a staggering rate 100,000 times faster than natural processes, allowing for continuous and precise evolution without damaging the cell's genome. By utilizing an artificial DNA replication system that targets plasmids rather than the main chromosomal DNA, the T7-ORACLE enables rapid protein development. In tests, the system successfully evolved a protein conferring antibiotic resistance within a week, capable of withstanding doses 5,000 times higher than initially tested. Co-senior author Christian Diercks emphasized the system's ease of implementation, making it accessible for researchers already working with _E. coli_. The T7-ORACLE holds promise for advancing therapeutic protein development for various medical conditions, including cancers and neurodegenerative diseases, potentially revolutionizing the field of protein engineering.
Published: Aug 12 2025, 7 pmeznews.inResearchers at Tulane School of Medicine have discovered that the parasitic worm _Schistosoma mansoni_, which can burrow into human skin, may hold the key to developing new painkillers that could serve as alternatives to opioids. The worm evades the immune system by suppressing the TRPV1+ protein, crucial for pain sensation, thereby allowing it to infect its host without triggering pain or inflammation. By blocking TRPV1+, _S. mansoni_ effectively reduces the host's pain response, which could lead to the identification of molecules that might be harnessed for therapeutic use. Dr. De’Broski R. Herbert, who led the study, emphasized that these findings could not only inspire new pain relief medications but also inform preventive treatments for schistosomiasis, a serious tropical disease caused by the parasite. The next phase of research will focus on isolating the molecules responsible for this suppression.
Published: Aug 12 2025, 8 pmeznews.inA recent study utilizing data from NASA's Parker Solar Probe has identified a "helicity barrier" in the Sun's atmosphere, offering insights into the long-standing "coronal heating problem." Launched in 2018, the Parker Solar Probe has made multiple close approaches to the Sun, reaching speeds of 692,000 kilometers per hour. The research aims to unravel why the Sun's corona, which can reach temperatures of 3.5 million °F, is significantly hotter than its surface, which is only about 10,000 °F. The helicity barrier may explain this phenomenon by altering how turbulent energy dissipates, potentially linking existing theories about turbulence and magnetic waves. The study's findings suggest that the barrier's presence can be detected through fluctuations in the solar wind's magnetic field, providing a clearer understanding of solar wind acceleration and its implications for astrophysics. The research was published in *Physical Review X*.
Published: Aug 10 2025, 2 ameznews.inCalifornian authorities are advising residents to steer clear of wild pig meat in Monterey County due to alarming reports of the animals' flesh and fat turning a striking neon blue. This unusual phenomenon was first noted in March by a wildlife trapper, prompting investigations by the California Department of Fish and Wildlife (CDFW). Experts believe the discoloration is linked to exposure to diphacinone, a blue anticoagulant rodenticide commonly used in agriculture. The CDFW warns that wildlife can ingest the poison directly or through consuming contaminated prey. Hunters are urged to exercise caution when harvesting game, as rodenticide exposure poses risks not only to wild pigs but also to other animals like deer and bears. This is not an isolated incident; previous studies have shown significant rodenticide contamination in California wildlife. The CDFW is calling for careful pesticide use to protect non-target species.
Published: Aug 08 2025, 10 pmeznews.inNASA has unveiled a striking visualization of a massive coronal mass ejection (CME) that occurred in July 2012, which nearly resulted in a solar storm comparable to the historic 1859 Carrington Event. This geomagnetic storm, the most intense on record, caused widespread auroras and disrupted telegraph systems. The 2012 CME, traveling at an astonishing 2,000 kilometers per second, was preceded by several smaller CMEs that cleared a path for its arrival. Scientists believe that had Earth been just nine days ahead in its orbit, the CME could have struck, potentially inflicting damage to global infrastructure amounting to hundreds of billions of dollars. The visualization highlights the significance of this event, particularly as it occurred during a weak solar cycle, raising concerns about the frequency and impact of such solar phenomena in the future.
Published: Aug 12 2025, 11 ameznews.inA spectacular total lunar eclipse, often referred to as a "blood Moon," is set to captivate over 7 billion people worldwide on the evening of September 7-8, depending on local time zones. The event will unfold over 3 hours, 29 minutes, and 24 seconds, with totality lasting more than 80 minutes. Approximately 60% of the global population will witness the entire phenomenon, while up to 87% will see at least part of it, weather permitting. The eclipse will be visible across most of Asia, parts of East Africa, and Western Australia, with varying visibility in Europe, Australia, and Brazil. This lunar eclipse is particularly notable as it follows a March eclipse that was primarily visible in the Americas. The blood Moon's distinctive red hue occurs as sunlight filters through Earth's atmosphere, casting a shadow on the Moon. For precise viewing times, enthusiasts can consult Time&Date.com.
Published: Aug 12 2025, 5 pmFor the fastest, latest, not so wokest news, 'experts say' you need to visit Eznews
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