The sister of Cleopatra is still unaccounted for.

An interdisciplinary research team led by anthropologist Gerhard Weber from the University of Vienna, together with experts from the Austrian Academy of Sciences, has analysed a skull that was found in the ruins of Ephesos (Turkey) in 1929. It was long speculated that it could be the remains of Arsinoë IV, the sister of the famous Cleopatra. However, the latest anthropological analyses show that the remains are those of a boy between the ages of 11 and 14 who suffered from pathological developmental disorders. His genes point to an origin in Italy or Sardinia. The results are currently being published in Scientific Reports.

In 1929, Austrian archaeologist Josef Keil and his team unearthed a sarcophagus brimming with water amid the ruins of the once grand "Octagon," a remarkable structure located on the main thoroughfare of Ephesos (Turkey). While no significant burial artifacts were uncovered, a complete skeleton was found within. Keil decided to take only the skull with him before sealing the tomb on the notable "Curetes Street" (Kuretenstraße). Following his preliminary examination in Greifswald (Germany), he speculated that the remains belonged to "a highly esteemed individual," likely a 20-year-old female. Although Keil lacked concrete evidence, he transported the skull to Vienna when he accepted a new position at the University of Vienna. In 1953, Josef Weninger, who led the Institute of Anthropology at the University of Vienna, published an article complete with photographs and measurements. He also reached the conclusion that the skull from the "Heroon" (Heroengrab), as noted on a faded document accompanying the discovery, belonged to a young woman of a "refined, specialized type," suggesting a connection to the elite aristocracy of ancient times.

During subsequent excavations in 1982, the remaining parts of the skeleton were discovered in Ephesos, not within the sarcophagus, but rather in a niche located in an antechamber adjacent to the burial chamber. This discovery, along with the potential architectural influence of the Octagon from the Egyptian "Pharos of Alexandria" and the historical context of Arsinoë IV's murder in Ephesos around 41 BCE at the behest of Mark Antony, Cleopatra's lover, led to a hypothesis in 1990. It was proposed that Arsinoë IV might have been laid to rest in this splendid tomb in Ephesos. Since that time, a plethora of reports and publications have emerged regarding this intriguing speculation.

Contemporary anthropology and scientific archaeology have increasingly adopted CSI (Crime Scene Investigation) methodologies, enhancing their research techniques. These methods involve systematic documentation, meticulous evidence collection, and advanced analytical techniques to uncover past human behaviors and cultural practices. By applying forensic principles, anthropologists and archaeologists can better interpret artifacts, skeletal remains, and site contexts, leading to more accurate reconstructions of historical events and lifestyles. This interdisciplinary approach not only improves the rigor of archaeological investigations but also fosters a deeper understanding of human history through a scientific lens.

In recent years, the Department of Evolutionary Anthropology at the University of Vienna has seen significant growth and now employs nearly all contemporary techniques within the field. Collaborating with geneticists, dating experts, orthodontists from the University of Vienna, and archaeologists from the Austrian Academy of Sciences, research on the skull has commenced.

Initially, the skull underwent micro-computed tomography, creating a permanent digital representation at an 80-micrometer resolution. Researchers then extracted tiny samples, weighing just a few milligrams, from the base of the skull and the inner ear to analyze its age and genetic profile. The findings from the mass spectrometer were matched against the most recent calibration curves, which considered the likely dietary habits as well. As a result, the skull has been dated between 36 and 205 BCE, aligning closely with the widely accepted date of Arsinoë IV's death in 41 BCE. Furthermore, geneticists discovered a correlation between the skull and previously collected femur samples. This indicated that the skeleton found later in the anteroom of the Octagon indeed belonged to the same individual from whom Josef Keil had extracted the skull from its sarcophagus in 1929. "However, the major revelation came during further examinations: both the skull and femur exhibited a Y chromosome, indicating that the individual was male," states Gerhard Weber.

The analysis of the skull's morphology and the micro-CT scans indicated that the boy from the Octagon was in the midst of puberty, estimated to be between 11 and 14 years old. This assessment is supported by the detailed images showing his dental roots and the ongoing development of the skull base. Nevertheless, he exhibited signs of abnormal development overall. Notably, one of his cranial sutures, which typically fuses around the age of 65, had already fused in his case, resulting in a distinctly asymmetrical skull shape.

One of the most notable characteristics was the poorly developed upper jaw, which was noticeably angled downwards, likely causing significant difficulties with chewing. This observation is supported by the distinct angles of the temporomandibular joints and the dental evidence from the two teeth still present in the jaw. The first permanent molar, typically the longest-lasting tooth in the permanent set, showed no signs of wear whatsoever. In contrast, the first premolar, which emerges a few years later, exhibited signs of heavy wear and visible cracks, likely due to excessive strain. The researchers deduce that there was a lack of normal tooth contact, stemming from the jaw and facial growth abnormalities. The underlying cause of these growth issues remains uncertain at this point; it might be attributed to a deficiency in vitamin D, for instance. Additionally, genetic conditions such as Treacher Collins syndrome can result in a similar appearance to that of the boy found in the Octagon.

The conclusion of a speculation and the onset of a fresh quest

Recent findings have revealed that the individual interred in the Octagon of Ephesos was not Cleopatra's sister, but rather a young man believed to have been Roman and possibly with developmental disorders. The architectural allusions to Egypt within this structure still pose an intriguing mystery. What is evident, however, is that the tomb was designed for someone of considerable social standing. This study's outcomes pave the way for a plethora of stimulating new research opportunities. Consequently, the quest for the remains of Arsinoë IV can now continue unencumbered by speculation.

How to view the first complete 'Wolf' moon of 2025 and the story behind its name

Full Moons are eagerly awaited occasions in the lunar calendar. Here’s how you can catch the first full 'Wolf Moon' of 2025. View pictures in App save up to 80% data. The 'Wolf Moon' is set to illuminate the night sky shortly. Skywatchers won't have to wait much longer for the first full Moon of the year to illuminate our night skies. A full Moon occurs when the side of the Moon facing the Earth is fully illuminated by the Sun. It rises around sunset and sets around sunrise. The upcoming full Moon is scheduled for Monday, January 13, 2025. It will attain its full phase at 10:26 PM GMT, although the times for moonrise will differ based on your specific location within the UK. The same side of the Moon always faces Earth. NASA says this is due to the interplay of gravity between the Earth and Moon slowing the moon into a rotation at the same speed it orbits Earth – a process known as being ‘tidally locked’. During the course of the lunar month, observers of the Moon can witness the movement of the terminator, which is the dividing line between the illuminated and dark portions of the lunar surface. When a full Moon occurs, the side of the Moon that faces Earth is completely illuminated. The term 'Wolf Moon' is derived from Native American traditions, where it was used to describe the first full moon of January. This name reflects the time of year when wolves were often heard howling in the cold winter nights, as they ventured out in search of food. The name has since been adopted into modern culture and is commonly used to refer to this specific full moon. The term "Wolf Moon" refers to the second full moon of the winter season and marks the first full moon of the new year. This name is thought to have come from Indigenous peoples in North America, as it was during this time that the sounds of wolves howling could often be heard in the night. View pictures in App save up to 80% data. The 'Wolf Moon' marks the initial full Moon of the new year. Dr. Darren Baskill, an astrophysicist at the University of Sussex, explains, “Some European cultures refer to the January Full Moon as the Wolf Moon, inspired by the haunting howls of wolves that echo through the winter as they hunt for sustenance.” “Wolves were hunted to extinction in the UK just 250 years ago, being Britain’s last apex predator to go extinct,” Baskill told BBC Science Focus. “But their presence is still remembered today through the oral tradition of the names of the Full Moon.” Every month features a unique name for its full Moon. For instance, June is known for its 'Strawberry Moon,' while September is referred to as the 'Corn Moon.' Full Moon schedule for the remainder of 2025. Monday, January 13 — Wolf Moon Wednesday, February 12 — Snow Moon Friday, March 14 — Worm Moon Saturday, April 12 — Pink Moon Monday, May 12 — Flower Moon Wednesday, June 11 — Strawberry Moon Thursday, July 10 — Buck Moon Saturday, August 9 — Sturgeon Moon Sunday, September 7 — Corn Moon Monday, October 6 — Hunter’s Moon (Supermoon) Wednesday, November 5 — Beaver Moon (Supermoon)

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Individuals affected by historical child abuse within faith-based environments are urged to come forward and recount their stories.

The initiative will explore the experiences of victims and survivors within various faith communities. Additionally, it aims to gain insights into what participants consider to be possible future actions. View pictures in App save up to 80% data. The First Minister and the deputy First Minister are urging victims and survivors of past child abuse within faith organizations to share their experiences as part of an ongoing research initiative. The initiative, commissioned by The Executive Office, aims to explore the experiences of victims and survivors within various faith communities. Additionally, it will seek to gather insights on what participants consider as possible future actions. First Minister Michelle O’Neill said: “Clerical child abuse has had a devastating impact on many people here, and those affected deserve truth and justice. It is also important that they are able to tell their stories about the abuse they suffered, to be listened to and have their voices heard. This study will offer a safe space for people to do that.” Deputy First Minister Emma Little-Pengelly said: “We recognise the importance of fully understanding the prevalence of child abuse in faith settings and the impact it has had on victims and survivors. “This study aims to shed light on how we can effectively meet the needs of individuals impacted by historical clerical child abuse. I urge anyone affected to step forward and participate in the research, sharing their personal experiences and recounting their stories in their own voices.” This research is part of a trio of studies commissioned to investigate the prevalence and systemic characteristics of historical child abuse within faith-based environments in Northern Ireland. The project will be managed by the Interdepartmental Working Group (IDWG), established to supervise research and formulate recommendations concerning the historical Mother and Baby Institutions/Magdalene Laundries, along with issues related to historical clerical child abuse (HCCA). These topics were not addressed by the Historical Institutional Abuse Inquiry. Professor Tim Chapman has been appointed to conduct the research. He mentioned, “I urge anyone interested to step forward and participate in this study. Our team has extensive experience working with victims and survivors, and we will make sure that you have a voice and the opportunity to share your unique experiences in a confidential setting.” "I want to assure everyone that participants will receive support in sharing their experiences through a victim-focused approach, with qualified counselors available for those who require assistance." Lisa Caldwell, the chair of the Interdepartmental Working Group, stated: "This marks a significant milestone in our vital research program. Once the three research components are finalized, we will present our recommendations to the Ministers regarding the proposed next steps. Personal experiences will play a crucial role in shaping these recommendations." If you would like to participate in the oral history study, please contact Tim Chapman at [email protected] or call him on 07351940491, before end of February 2025. - SCROLL DOWN TO READ MORE - SCROLL DOWN TO READ MORE - SCROLL DOWN TO READ MORE - SCROLL DOWN TO READ MORE - SCROLL DOWN TO READ MORE - SCROLL DOWN TO READ MORE - SCROLL DOWN TO READ MORE - SCROLL DOWN TO READ MORE - SCROLL DOWN TO READ MORE

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Consensus Guidelines for Histological and Clinical Reporting in HS

View pictures in App save up to 80% data. The following is a summary of “Standardized Protocols for Clinical and Histopathological Characterization of Hidradenitis Suppurativa Tissue Specimens,” published in the January 2025 issue of Dermatology by Sampath et al.  The absence of standardized protocols for the description and reporting of clinical and histological features of skin tissue samples from patients with hidradenitis suppurativa (HS) impedes consistent data collection, documentation, and communication. This is essential for advancing translational research, even in light of a recent agreement on the morphology of HS lesions.   A team of researchers carried out a retrospective analysis aimed at developing a standardized protocol for documenting the histopathological and clinical features of HS tissue samples.   A study was conducted between May 2023 and August 2023, involving specialists in clinical care, dermatopathology, and translational research. In total, 27 experts took part, comprising 14 dermatologists, 3 fellowship-trained dermatopathologists, 3 plastic surgeons, 3 general surgeons, and 4 research scientists. The researchers employed a modified Delphi technique to create a protocol aimed at histologic reporting and clinical characterization of tissue samples from patients diagnosed with HS.    The findings indicated that a total of 27 specialists were involved in the creation and assessment of protocols for the clinical and histopathological analysis of HS tissue samples. This cohort comprised 14 dermatologists (51.9%), 3 dermatopathologists with fellowship training (11.1%), 3 plastic surgeons (11.1%), 3 general surgeons (11.1%), and 4 research scientists (14.8%).   Researchers determined that the structured protocols, delivered in the form of a summary report, would promote uniform classification of HS specimens in biobanks according to their histological characteristics. This would lead to improved accuracy in reporting and the selection of samples for translational research initiatives.  You have been educated on information available until October 2023.

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Humans Emit Light, But It's Too Faint for Our Eyes to Detect

"The human body truly shines." View pictures in App save up to 80% data. It appears that the human body sparkles in sync with the circadian rhythm. Image credit: Mygate / Shutterstock.com. Living things have been known to glow thanks to a nifty trick called bioluminescence, but it’s something we more typically associate with animals of the deep sea than those stomping around surface-side. It may surprise you, then, to learn that bioluminescence has been detected in humans. That’s right, we glow in the dark – it’s just really, really, really faint. That was the discovery made by researchers in a 2009 study who used incredibly sensitive cameras to effectively watch naked people sleep. Bit creepy, sure, but it also shone a light on the light that we unknowingly emit. "The researchers noted that 'the human body actually emits a subtle glow.' As for the reason we can't perceive it? 'The brightness of the light released by the body is a thousand times dimmer than what our unaided eyes can detect.'" The shimmering phenomenon was noticed in five men in their twenties who were placed under standard light-dark settings and encouraged to take short naps in front of a cryogenic charge-coupled device (CCD) camera capable of sensing light down to the level of a single photon. The researchers pointed out that the camera needed to function at a temperature of –120 °C (-184 °F), but thankfully, the participants did not have to endure such extreme conditions. View pictures in App save up to 80% data. A. Overview of the experimental configuration. B–F. Photographs depicting ultraweak photon emissions from the human body, showcasing the subject illuminated by light. G. Calibration scale for the estimated radiation intensity on the skin's surface. H. Daily patterns of photon emission from the faces and bodies of 5 participants. I. A representative thermographic image of the subject from sections B-G. Image credit: Kobayashi et al., PLoS One 2009 (CC BY 4.0) They were, however, routinely sampled for saliva to measure cortisol levels, and had their surface and oral temperature checked before and after photon measurements were taken. Cortisol is a biomarker of endogenous circadian rhythms, which the researchers wanted to have tracked so that they could compare it against any changes observed on the camera. Interestingly, our natural radiance appears to fluctuate throughout the day, peaking in our facial glow. The driving force behind this variation is probably linked to our circadian rhythms. Chronobiology is a branch of science that studies cyclical physiological phenomena, and it’s established that the circadian clock is the main regulator of metabolism. We see it in the way we burn up glucose and consume oxygen, both of which – the researchers say – show robust rhythms in the main mammalian circadian center. The mitochondria, often referred to as the "powerhouse" of the cell, generate energy essential for our survival, but in the process, they also release small quantities of reactive oxygen species (ROS) as byproducts. These ROS engage with various molecules such as proteins, lipids, and fluorophores, resulting in excited states that emit biophotons. This phenomenon is what causes "the human body to shimmer in harmony with the circadian clock." Oh, look at us, all dressed up! Bioluminescence relies on enzymatic activity to glow, but there’s also another way that living things can glow and we’re increasingly finding it in more and more species.

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Pluto might have acquired its largest moon following a primordial waltz and embrace.

View pictures in App save up to 80% data. On July 11, 2015, the dwarf planet Pluto and its moon Charon are depicted in this image. (NASA) Around 4.5 billion years ago, Pluto, the dwarf planet, encountered a companion in a sudden and remarkable event. For a fleeting moment – likely just a few hours – they twirled together in a cosmic embrace, performing a graceful do-si-do before drifting apart. This celestial dance ultimately led to the formation of Pluto and its five moons, which now orbit the sun in harmony. For many years, astronomers have been curious about the origin of Charon, the largest moon of Pluto, and its orbit around the dwarf planet. A recent study released on Monday in the journal Nature Geoscience proposed a potential series of events that could explain this intriguing phenomenon. "Adeene Denton, a planetary scientist from the University of Arizona who spearheaded the research, remarked, 'What makes Pluto and Charon particularly fascinating is that Charon is half the size of Pluto. The only similar example we have is the Earth and its moon.'" Charon measures approximately 750 miles in width, whereas Pluto has a diameter of nearly 1,500 miles. This size ratio indicates that several traditional theories regarding moon formation may not apply, such as the ideas that Charon originated from debris surrounding Pluto or was gravitationally captured by it. Might Charon's presence be better accounted for by a collision scenario similar to the one thought to have created Earth's moon? According to Erik Asphaug, a planetary scientist from the University of Arizona and a co-author of the study, the dimensions of Pluto and Charon posed challenges in understanding why they "didn't simply combine like two droplets of liquid," which would be the expected result in such a cataclysmic situation. Pluto and Charon reside in the Kuiper belt, an area in the outer solar system located past Neptune, characterized by its rocky and icy composition. By incorporating these features into their model, the research team formulated a scenario where the two celestial bodies collided and became trapped together without actually merging. If Charon collided with Pluto at a leisurely pace of approximately 2,000 mph—ten times slower than the impact that created Earth's moon—the two celestial bodies would have stayed in contact for around 10 hours before slowly drifting apart, yet still maintaining a gravitational bond. The scientists referred to this event as a “kiss and capture.” Denton explained that the resilience of the two bodies kept them intact. At that time, Pluto would have completed a rotation every three hours (in contrast, a day on Pluto now lasts about 150 hours), meaning the two bodies would have orbited each other three times while still connected. The angular momentum generated by Pluto's rotation would have gradually pushed Charon further away, while still keeping it securely within Pluto's orbital path. Bill McKinnon, a planetary scientist from Washington University in St. Louis, remarked that this scenario is quite plausible, considering the vast number of objects that are thought to be floating in the Kuiper belt during the early stages of the solar system. He noted, "Collisional capture is likely a frequent occurrence," adding that many other significant binary objects are also believed to be present in the Kuiper belt. According to Denton, the consequences would have resulted in "essentially a complete resurfacing of Pluto." She noted that Charon would lose a significant portion of its surface ice to its neighboring body. "This impact serves as a geological reset for the entire system," she explained. This could have also led to the creation of Pluto's four other recognized moons – Nix, Styx, Kerberos, and Hydra – which are significantly smaller than Charon and were observed during NASA's New Horizons spacecraft's flyby of Pluto in 2015. The model developed by the team may provide a fresh perspective on the phenomenon of certain moons orbiting different celestial bodies. “This introduces an intriguing new angle to the physics involved,” noted Asphaug. “We’ve long believed that the strength of materials is irrelevant during collisions. It’s time to reassess that belief, particularly in the context of our moon’s formation.” A more in-depth examination of Pluto could reveal whether its celestial movements actually occurred, but it may be quite some time before another spacecraft arrives at the dwarf planet. Denton stated, “If Charon were to have transferred some of its rock material to Pluto, we could detect that through gravity measurements. Sadly, we would need to return to Pluto to verify this.” This article originally appeared in The New York Times.

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Researchers discuss concerning potential consequences of a reversal in Earth's magnetic field, while NASA remains vigilant about a 'dent' in the magnetic shield.

It has the potential to inflict significant harm. View pictures in App save up to 80% data. There are countless factors that contribute to Earth's ability to support human life and a vast array of other organisms. However, one crucial element stands out: the planet's magnetic field. A protective blanket surrounding Earth, it does the business and more when it comes to protecting life from nasty storms heading towards the planet. Most of that comes from the Sun in the form of solar wind. If we didn't have the magnetic field, we'd suffer a fate similar to what Mars looks like nowadays. Cold, barren, and ultimately all the telltale signs of a planet that used to have life. It is this magnetic field that has recently got NASA scientists on high alert following the identification of a 'dent' in the protective cover; an area known as the South Atlantic Anomaly (SAA). At the heart of Earth's magnetic field lie the magnetic poles, located at the northern and southern extremes of the planet. These poles function as pivotal points in a never-ending circuit, allowing invisible magnetic field lines to flow continuously. The video below offers a visual representation of this phenomenon: What would occur if it were to reverse? Would humanity manage to cope if this event took place while we inhabit the Earth? This occurrence takes place roughly once every hundred thousand years in the timeline of Earth's development. Reversing the magnetic field Since the beginning of Earth as we know it, scientists reckon there has been at least 183 occasions where the planet's magnetic poles have flipped. The timing of their flipping is completely unpredictable, occurring at intervals ranging from 10,000 years to as long as 50 million years. It's quite a vast range of time! The most recent magnetic pole reversal occurred 780,000 years ago, an event known as the Brunhes-Matuyama reversal. View pictures in App save up to 80% data. The planet Earth is enveloped by a magnetic field (Getty Stock Images) Will it turn again in the near future? The South Atlantic Anomaly has raised concerns that we may be approaching this situation once more. Initially identified in 1958, the South Atlantic Anomaly (SAA) is a region where the Earth's magnetic field is notably less intense compared to its surrounding areas. Extending from South America across the southern Atlantic Ocean to Africa, this region covers a vast expanse of the Earth. Essentially, this signifies that this segment of the planet has reduced shielding from cosmic hazards compared to other areas (which also applies to satellites traversing this orbiting zone). A 2018 study suggests that the next flip is not expected to occur in the near future. Richard Holme from the University of Liverpool stated, "There have been discussions suggesting that we may soon face a magnetic polar reversal or excursion." "Nonetheless, our analysis of the last two major excursion events, which occurred around 31,400 and 34,000 years ago, reveals that neither of these events bears any similarity to the current shifts in the geomagnetic field. Consequently, it seems improbable that a similar occurrence is imminent." "Our findings indicate that the presently weakened field is expected to bounce back without the occurrence of a drastic event, making a reversal improbable." View pictures in App save up to 80% data. Is it possible for the north to transform into the south? (Getty Stock Images) If the Earth's magnetic field were to flip, a phenomenon known as geomagnetic reversal, several potential impacts could occur. First, the magnetic field protects the planet from solar and cosmic radiation. A weakened or altered magnetic field during a flip might allow more radiation to reach the Earth's surface, which could affect electronic systems and increase radiation exposure for living organisms. Additionally, navigational systems that rely on magnetic compasses might be thrown off, creating challenges for wildlife that depend on magnetic cues for migration. The flip could also influence atmospheric conditions, possibly leading to changes in weather patterns. However, it's important to note that geomagnetic reversals are natural processes that have occurred many times throughout Earth's history, and life has persisted through these events. While there may be some short-term disruptions, the long-term effects are still a subject of scientific study. This would be quite troubling news, as it would lead to significant changes in our way of life. Jean-Pierre Valet, a geomagnetic reversal researcher at the Institute of Earth Physics in Paris, stated, "One of the most significant effects observed during pole reversals is a substantial reduction in the overall intensity of the magnetic field." In other terms, we would face a significant reduction in the overall shielding provided by the magnetic field. Considering that the reversal process spans from 1,000 to 10,000 years, this duration would likely result in considerable losses over an extended period. View pictures in App save up to 80% data. The Earth's magnetic field (Getty Stock Images / NASA) Monika Korte, the scientific director of the Niemegk Geomagnetic Observatory at GFZ Potsdam in Germany, explained, "The transition is not abrupt; instead, it unfolds gradually. Initially, the magnetic field's strength diminishes, likely becoming more intricate and potentially exhibiting multiple poles for a period. Eventually, it regains strength and realigns in the opposite direction." During this 1,000 to 10,000-year period, humans may find themselves at their most susceptible, possibly experiencing heightened impacts from solar storms that could adversely affect us on Earth, leading to a rise in skin cancer incidents. Regarding the possibility of it being an extinction-level event, scientists remain uncertain, with many expressing skepticism. Korte elaborated: "Even if the magnetic field weakens considerably, the atmosphere protects us from radiation at the Earth's surface. Just as we cannot perceive or sense the geomagnetic field at present, we are unlikely to detect any substantial changes during a reversal." Although we may not face extinction from the perils of outer space, our technology would suffer greatly. Satellites could be disabled, GPS systems would be inoperable, and widespread power failures could occur worldwide. Such occurrences could severely impact life on our planet, interfering with food supply, healthcare systems, international transportation, and internet connectivity. The silver lining is that these changes unfold slowly, allowing humanity the opportunity to respond as challenges emerge.

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Mysterious and Unidentified Formations Discovered Beneath the Pacific Ocean

The formations might be new or old, but scientists remain uncertain. View pictures in App save up to 80% data. Here is a representation of the locations of cooler material within the mantle, made possible by an innovative computer model. Image Credit: Sebastian Noe / ETH Zurich. Geoscientists have leveraged earthquake data to investigate the makeup of the lower section of the Earth's mantle beneath the Pacific Ocean, leading to some intriguing findings. They've identified regions where seismic waves exhibit unusual movement patterns, indicating the presence of structures that are either colder or possess a distinct composition compared to the adjacent molten rocks. The researchers characterize these structures as a significant enigma. It is unclear what these structures are. If they were anywhere else, they could be portions of tectonic plates that have sunk in a subduction zone. But the Pacific is one large plate, so there should be no subduction material under it. The researchers are also uncertain about what kind of material these deep structures are made of or what this means for the internal structure of the planet. "That's our dilemma. With the new high-resolution model, we can see such anomalies everywhere in the Earth's mantle. But we don't know exactly what they are or what material is creating the patterns we have uncovered," Thomas Schouten, first author and doctoral student at the Geological Institute of ETH Zurich, said in a statement. The existence of numerous cold areas within the mantle implies that they may have originated at various points in time and from diverse sources. These regions are not solely the result of subduction plates from the past 200 million years. Schouten elaborated, "We believe that the irregularities in the lower mantle stem from multiple sources. They might be remnants of silica-dense substances that have existed since the mantle's formation around 4 billion years ago, managing to endure the convective shifts within the mantle. Alternatively, these anomalies could represent areas where iron-laden rocks have gathered due to the mantle's movements over the span of billions of years." Further efforts are required. The team relies solely on one characteristic of seismic waves—their speed—to deduce a great deal about the processes occurring beneath our surface. Despite having impressive models, it remains a challenge to derive all necessary information from this single aspect. We cannot physically access the Earth's interior to observe its contents.   "Schouten explained, 'We need to assess the various material parameters that could account for the observed velocities of the different wave types. In essence, we must investigate the material characteristics that influence wave speed more thoroughly.'" A paper describing these findings is published in the journal Scientific Reports.

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California and Washington Rank Among the Top 5 States with the Highest Grocery Costs

View pictures in App save up to 80% data. Timmy! After my recent grocery store visit, I looked at the receipt, and my jaw dropped. My wife typically handles the grocery shopping because, in her opinion, I can't be relied upon (and she’s not wrong). The total cost for a bag of groceries along with a case of soda came to $64. I was aware that prices were soaring, but wow, I really wasn't keeping track. After my shock, the article from TheHill.com really didn’t surprise me at all. All I can say is thank goodness we’re not shopping in California! View pictures in App save up to 80% data. Canva On average, American households spend more than $1,000 a month on groceries, breaking down to just about $270 a week, according to a new study via HelpAdvisor. HelpAdvisor ran the numbers from the U.S. Census Bureau to fill a shopping bag with stats. It's hardly surprising that families with kids tend to have higher expenses, but the fact that they spend nearly 41% more than those without children is striking. (My wife and I only have a dog, and I'm pretty sure our little fur-ball wasn't part of this survey). Which States Have the Highest Grocery Expenditures? When analyzing the data by state (recall my comment about how grateful we are not to be grocery shopping in California?), it turns out that California has the highest average weekly grocery expenditure for families, which stands at $297.72. Washington ranks 4th, following Nevada and Mississippi, with an average store expenditure of $287.67. Who spends the most on groceries at stores in Washington? Seattle takes the lead with the highest prices! Moving to California, San Francisco holds the top spot, closely followed by Los Angeles. Are you surprised by these stats? How do you save money at the store? Comparison shop? Coupons? Five Finger Discount? Tap the App and let us know! CHECK IT OUT: 20 American dishes that surprise people from other countries Stacker compiled a list of 20 unusual and uniquely American foods that might raise eyebrows outside the U.S. Gallery Acknowledgment: Charlotte Barnett Top grocery store chains in the United States The most popular grocery stores in America, from corporate chains to family-owned enterprises. Stacker ranked them using consumer ratings sourced from YouGov polls. Gallery Acknowledgment: Stacker

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Researchers express alarm over elements causing extraordinary shifts along the Arctic coastline: 'This research serves as a crucial alert'

View pictures in App save up to 80% data. Image Courtesy: iStock A recent study conducted in Alaska reveals that the state's coastal erosion is speeding up due to "compound climate impacts." This phenomenon could potentially affect six to eight times more land compared to the effects of erosion by itself. What’s going on? The rising temperatures of our planet are causing swift transformations in the coastal areas of the Arctic. Following a thorough examination of 75 years of aerial and satellite data, researchers have identified a growing threat of coastal erosion in the Arctic region. Other less-understood processes are threatening Arctic coastlines that haven't received the same amount of attention. These "compound climate impacts" include rising sea levels, permafrost thaws, intensifying storms, and sea ice thinning. Inhabitants of northern Alaska have observed the effects of permafrost thaw subsidence, which refers to the sinking of the land surface caused by the melting of permanently frozen ground, commonly referred to as permafrost. Certain scientists express worry that organizations like the U.S. Army Corps of Engineers and the Federal Emergency Management Agency may not be seeing the full scope of the situation. "These sorts of bodies with a lot of resources may have not been paying enough attention to permafrost thaw subsidence as an agent of coastal change," according to Roger Creel, the study's lead author and postdoctoral scholar in Woods Hole Oceanographic Institution's Department of Physical Oceanography, per Phys.org. "This study is a wake-up call to expand the conversation.  "Creel noted, 'The combined effects of climate change are speeding up alterations along the coast. We should anticipate a nonlinear increase in coastal impacts, particularly in areas such as Northern Alaska.'" The acceleration of coastal erosion in Alaska is concerning for several reasons. Firstly, it threatens local communities and infrastructure, as many towns and villages are situated along the coast and are at risk of being washed away. Secondly, the erosion can lead to the loss of habitat for wildlife, disrupting local ecosystems and biodiversity. Additionally, the erosion can contribute to the release of greenhouse gases trapped in permafrost, exacerbating climate change. Lastly, the cultural significance of these coastal areas for Indigenous populations is at stake, as they rely on the land for their way of life and cultural practices. Overall, the rapid erosion poses significant environmental, social, and economic challenges that require urgent attention. "By 2100, unless coasts respond differently to future change, these compound effects may transform 6-8x more land than erosion alone may impact," according to the study. "Without mitigating measures, by 2100, coastal change could damage 40 to 65% of infrastructure in present-day ACP coastal villages and 10 to 20% of oilfield infrastructure." Scientists have concentrated their efforts on the Arctic Coastal Plain in Alaska, an extensive area exceeding 23,000 square miles characterized by low-lying, ice-laden permafrost. This region is currently facing some of the most rapid sea-level rise and coastal erosion observed in the Arctic. 🗣️ In your opinion, does the United States face an issue with plastic waste? 🗳️ Select your option to view the results and share your thoughts! The researchers behind the study emphasize the critical necessity for Arctic communities to engage in adaptive planning, given the challenges presented by escalating climate-related risks. The researchers caution that by the year 2100, the synergistic effects of coastal erosion along with various climate-related factors could drive the North Slope shoreline further inland than it has been since the last interglacial phase, which occurred over 100,000 years ago. Our overheating planet is hitting Alaska hard. A recent report highlights how our 49th state is being impacted by melting glaciers and extreme weather. One of the alarming findings from the study points out that flooding in Juneau last year was caused by glacial melt due to our planet overheating with minimal influence from weather conditions. What measures are being taken to address the effects of compounded climate challenges? The study's authors call for more research on Arctic shoreline evolution in the future, which should be driven by communities affected by the "paradigm shift in 21st-century Arctic coastal change that we project here." Soaring fuel costs are forcing utilities in Alaska to shift to renewable energy sources. Renewable options such as solar and wind will help reduce the amount of heat-trapping gases in our atmosphere that contribute to the problems in our country's biggest state. View pictures in App save up to 80% data. Join our free newsletter for good news and useful tips, and don't miss this cool list of easy ways to help yourself while helping the planet. Awesome Selections

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