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Why Humans Are Not Naturally Built for Strict Monogamy: Unveiling the Truth

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The Fragile Nature of Monogamy: A Deep Dive into Human Relationships

Monogamy is often regarded as a sacred institution, the default setting for romantic relationships. Yet, behind the facade, monogamy can feel fleeting, negotiable, and at times, nearly impossible to maintain. If sexual exclusivity is a natural trait for humans, why does it often require significant effort and societal reinforcement to uphold?

A Cultural Perspective on Non-Monogamy

Human culture is rich in examples of non-monogamous relationships, including polyamory, infidelity, and casual dating. Research conducted since the 1960s indicates that 87% of pre-industrial societies embraced some form of polygamy, suggesting that today’s fascination with monogamy might stem from rapid cultural shifts.

Interestingly, while polygamous relationships were widely accepted, only a fraction of individuals engaged in such partnerships, keeping monogamy as the prevalent norm. Moreover, fewer than 10% of mammal species form long-term pair bonds, although this rate is about 25% among primates. Notably, our closest relatives, chimpanzees and bonobos, are often promiscuous, engaging with multiple partners to strengthen social ties.

Why Monogamy?

A compelling theory proposes that monogamy evolved as a defense mechanism against male infanticide. A landmark study published in 2013 examined 230 primate species and revealed that males of promiscuous species often killed the offspring of rivals, prompting a shift toward monogamous relationships for protection.

In contrast, female chimpanzees often mate with various males to obfuscate paternity and mitigate the risk of infanticide. Bonobos, on the other hand, utilize casual sex as a way to nurture social bonds and ease conflicts.

Additionally, male provision of resources to females is believed to increase their attractiveness as mates, further supporting the evolutionary narrative favoring monogamous pairings.

Understanding Human Pair Bonding

Despite their complex origins, it’s evident that humans have a biological inclination to form tight-knit partnerships. However, it’s essential to distinguish between pair bonding and the modern interpretation of monogamy, which usually implies emotional and sexual exclusivity.

Biologists categorize monogamy into three types: social, sexual, and reproductive. Socially monogamous pairs share resources, raise offspring together, and may also engage in sexual exclusivity. In the animal kingdom, reproduction and sexual monogamy are often intertwined, especially since contraception does not exist.

In humans, strong romantic bonds are a hallmark of our species. According to Professor Agustín Fuentes of Princeton University, these connections foster extensive networks of care, such as compassion and cooperation. Research on prairie voles highlights the powerful neurochemistry involved in forming these bonds, showcasing how brain chemicals like oxytocin foster strong pair bonds.

The Statistics Behind Monogamy

Dr. Mark Dyble from the University of Cambridge emphasizes the challenges in quantifying human mating systems, particularly due to discrepancies in self-reported sexual behavior. Recent studies utilizing genetic data reveal that approximately 66% of human siblings are full siblings, indicating a faculty toward monogamy, albeit with considerable variability.

Despite approximately 25% of marriages in the UK ending in divorce within ten years and significant rates of infidelity reported among men and women in the U.S., these findings align humans more closely with socially monogamous mammals, ranking seventh behind species like the Eurasian beaver.

Cultural Constructs and Changing Norms

Human sexual and marital practices vary widely across cultures, influenced by factors like resource allocation and socio-economic conditions. As Fuentes indicates, contemporary definitions of monogamy can shift from “one person for life” to “one person at a time,” a phenomenon known as serial monogamy.

As individuals age, many gravitate toward forms of semi-monogamy, often signaling a return to monogamous norms. For some, monogamy feels natural; for others, it can be stifling. Yet for many, it remains a conscious choice with continually evolving terms influenced by societal norms.

Conclusion: The Dual Nature of Human Relationships

So, how monogamous are humans? The answer is nuanced: it varies. We possess an innate capacity for deep attachment, bolstered by ancient brain chemistry that facilitates pair bonding. Additionally, intricate cultural frameworks shape our relationships, oscillating between enforcing and relaxing monogamous norms. Ultimately, while humans may strive to practice monogamy, our success in doing so remains complex and multifaceted.

For more insights on human relationships and the evolution of monogamy, explore our additional resources here.

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Source: www.sciencefocus.com

Unexpected Ways Hi-Fi Technology is Built for the Future

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The evolution of hi-fi systems began in the 1950s, featuring separate components like turntables and amplifiers that enabled precise control over sound reproduction. The 1970s marked the golden age of analog, establishing standards for audio excellence that enthusiasts continue to seek.

In the past 50 years, music technology and listening habits have undergone significant transformations. Hi-Fi engineers face the challenge of meeting rising expectations amid technological advancements. The advent of streaming has notably disrupted the landscape, raising the question: Does streaming sacrifice quality, or can it offer the richness of analog alongside the convenience of digital music?

Explore how Hi-Fi engineering is adapting to this new musical era.

What does the future hold for hi-fi?

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For hi-fi to thrive in the future of music, it must evolve. Modern users demand convenience, high-quality sound, and smart features. “Listening to music has become effortless for younger generations, but crafting a listening experience that highlights the music we think we should hear has never been more challenging,” says Naim Audio, a leader in high-end audio. “That’s our mission.”

Hi-Fi manufacturers are stepping up to meet these modern demands. Let’s delve into the features you can expect.

Wireless Technology


Gone are the days of tangled wires behind your hi-fi system. Modern wireless setups offer aesthetic appeal and convenience. While earlier wireless options suffered from latency issues, today’s innovations strive for minimal delays and seamless playback.

Naim Audio excels in timing and low-noise design, partnering with French audio specialist Focal to create the Focal Diva Utopia active loudspeaker. This collaboration combines cutting-edge Naim electronics with Focal’s acoustic prowess, delivering convenience without sacrificing quality.

Exceptional Sound Quality


Recent advancements in digital signal processing (DSP) and audio compression have led to clearer, more immersive sound. While some analog purists criticize digital sound as overly “clinical,” the latest Hi-Fi tech enables listeners to experience the clarity of digital with the warmth of analog. Naim Audio engineers carefully fine-tune DSP filters to maintain the emotional depth and texture of music, preserving the critical PRaT (pace, rhythm, and timing) that makes music resonate.

Smart Features


Naim Audio’s premium systems seamlessly integrate into your home with built-in software, allowing music to flow effortlessly from room to room. Compatible with the Focal and Naim apps or voice assistants like Google Assistant and Siri, these systems adapt to modern lifestyles. Moreover, Naim and Focal systems support over-the-air firmware updates, enabling users to enjoy new features without needing to replace hardware.

Looking ahead, there’s immense potential for AI-driven systems that can automatically calibrate sound to suit room acoustics or individual listening preferences.

In Service of Sound

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Founded in 1973, Naim Audio operates under the motto: “Hear it the way the artist intended.” This philosophy drives all innovations in Hi-Fi design, technology, and engineering. Both Naim and Focal product lines are crafted from premium materials and deliver outstanding audio performance.

The newly launched Diva Utopia speaker, a collaboration between Focal and Naim, exemplifies excellence and innovation. Click below to discover more about the Diva Utopia and other pioneering products from Focal.

Source: www.sciencefocus.com

Easter Island Statues Possibly Built by Independent Small Groups

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Moai Statues of Easter Island

Maurizio De Mattei/Shutterstock

The grand stone statues of Easter Island may have originated from diverse artistic and spiritual traditions, where multiple communities independently created their own massive carvings, rather than through a centralized effort led by a powerful ruler. This revelation aims to better identify the island’s primary quarries.

Easter Island, or Rapa Nui, located in the Pacific Ocean, is believed to have been settled by Polynesian navigators around 1200 AD.

Archaeological observations indicate that the Rapa Nui were not politically unified, prompting discussions on whether the numerous moai statues were produced under a centralized authority.

The island had only one quarry, Rano Raraku, that provided the volcanic rock utilized for the statue carvings.

Curl Lipo and his team at Binghamton University in New York employed drones and advanced mapping technology to develop the first 3D representation of the quarry, which holds many incomplete moai. Lipo noted that earlier studies yielded varying results regarding the number of moai remaining at the site.

Lipo and his associates documented 426 features representative of the moai at different completion stages, 341 grooves indicating the planned carving blocks, 133 carved cavities for removing the statues, and five bollards likely used for lowering the moai into position.

It was also noted that the quarry was divided into 30 distinct working areas, each functioning independently with various carving methods, according to Lipo.

The idea that small factions of workers may have relocated the moai statues, along with prior evidence of separate territories marked by groups at freshwater sources, hints that the statue carvings stemmed from community-level competition rather than centralized governance, Lipo explained.

“Monumentalism signifies a competitive display among peer communities instead of top-down mobilization,” he stated.

Historians continue to discuss the alleged decline of the Rapa Nui, with some contending that resource over-exploitation resulted in a severe social breakdown, while others challenge this narrative.

Lipo argues that the collapse theory presumes a centralized leadership pushed for monument construction, leading to deforestation and social disintegration. “However, if monuments are decentralized and arise from community competition rather than intentional expansion, then deforestation cannot be attributed to egotistical leadership,” Lipo comments.

Nevertheless, some researchers are skeptical about this perspective. Dale Simpson, from the University of Illinois at Urbana-Champaign, concurs there wasn’t a singular overarching chief as seen in other Polynesian regions such as Hawaii and Tonga; however, he suggests clans were not as isolated as proposed by Lipo and others, indicating there must have been collaboration among the groups.

“I think they’ve had a bit too much Kool-Aid and haven’t fully considered the limiting factors in a confined area like Rapa Nui, where stone is paramount. It’s not feasible to carve moai within a single clan without interaction and stone-sharing,” he notes.

Jo Ann Van Tilburg from the University of California, Los Angeles, mentioned that further investigations are in progress to ascertain how the Rapa Nui exploited Rano Raraku, asserting that the conclusions drawn by Lipo’s team appear “premature and overstated.”

Machu Picchu and the Science of the Incas: Peru

Immerse yourself in the vital ruins of the Inca civilization with two visits to Machu Picchu, and discover that the tale of the Incas encompasses much more than just one location.

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Source: www.newscientist.com

The mystery of how the pyramids were built could soon be solved

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The mystery of how the Egyptian pyramids were built has puzzled researchers for centuries. Constructed over 4,000 years ago as burial sites for pharaohs, there are still over 100 pyramids remaining. The largest, the Great Pyramid of Giza, originally stood at 147 meters (482 feet) in height.

Comprised of around 2.3 million stone blocks, each weighing between 2.5 and 15 tonnes, the construction required innovative methods to transport and lift the heavy stones. Different theories exist among scientists regarding the techniques used to achieve such great heights,” says Dr. Eman Ghoneim, a Professor at the University of North Carolina Wilmington in the United States.

Eman Ghoneim on Egypt's Giza Plateau with the Great Sphinx and the pyramids of Khufu, Khafre and Menkaure – Photo credit: UNCW/Eman Ghoneim

Recent research has shed light on some aspects of pyramid construction. One prevailing theory suggests the use of ramps to move the stones, supported by the discovery of sloped structures near some pyramids. Dr. Roland Enmarch, a Senior Lecturer in Egyptology at the University of Liverpool, and his team unearthed groundbreaking evidence of quarry ramps in eastern Egypt used in pyramid construction.

Construction schedules were also crucial in the building of pyramids. It is believed that the Great Pyramid of Giza took 20 years to complete, starting at the beginning of a pharaoh’s reign. Archaeologist Frank Müller-Römer has proposed various ramp designs for pyramid construction, emphasizing the importance of multiple ramps placed along the exterior of the structure.

Construction Schedule

Various techniques like levers, cranes, and pulleys were likely employed in addition to ramps. In a study by Xavier Landreau and his team in Paris, a hydraulic lift system was proposed as a method to build the Step Pyramid of King Djoser. However, some experts question the feasibility of such systems based on archaeological evidence.

Research using scanning techniques is ongoing to explore the internal structure of the Great Pyramid of Giza. The ScanPyramids project by teams from Egypt and France aims to uncover hidden spaces within the pyramid using advanced imaging technologies.

Identifying Supply Lines

Transporting materials to the construction site was a logistical challenge. Researchers like Dr. Ghoneim and his team used satellite images and ground surveys to uncover ancient tributaries of the Nile River that were crucial for transporting goods to the pyramids. These discoveries shed light on the transportation methods used by ancient Egyptians.

Archaeologists have also unearthed logbooks detailing the construction activities at the Great Pyramids of Giza, dispelling myths of supernatural involvement. Ongoing excavations of workers’ quarters near the pyramids provide insight into the organizational aspects of pyramid construction.

About our experts

Dr. Eman Ghoneim, a professor at the University of North Carolina Wilmington, specializes in geographic information systems and remote sensing.

Dr. Roland Enmarch, a Senior Lecturer in Egyptology at the University of Liverpool, has extensive experience in ancient Egyptian research.

Frank Muller Roemer, a German archaeologist and Egyptologist, focuses on ancient Egyptian construction and transportation techniques.

Source: www.sciencefocus.com

New Supercomputer Built to Simulate Nuclear Bombs is the Fastest in the World

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El Capitan supercomputer at Lawrence Livermore National Laboratory

Garry McLeod/Lawrence Livermore National Laboratory

The top spot in the league table of the world's most powerful computers has changed hands, with one supercomputer built for US national security research overtaking another.

top 500The final list of the most powerful computers is based on one metric: how fast a machine can solve large numbers of equations, measured in floating point operations per second (FLOPS). Masu. A machine called Frontier, built in 2022, was the first to be publicly acknowledged to have reached exascale (1 billion FLOPS).

Frontier was founded by Oak Ridge National Laboratory in Tennessee to not only perform nuclear weapons simulations, but also address a variety of complex scientific problems such as climate modeling, fusion simulations, and drug discovery. Ta.

Now, Lawrence Livermore National Laboratory (LLNL) in California has developed El Capitan, which has a power of 1.742 exaFLOPS, more than any other supercomputer.

The machine was built under tight security in cooperation with the National Nuclear Security Administration, a division of the Department of Energy dedicated to developing nuclear weapons science. The agency was established in 2000 in response to revelations that nuclear secrets had been leaked from the Department of Energy to China.

Essentially, El Capitan would provide the vast computational power needed to ensure the effectiveness of the U.S. nuclear deterrent without conducting any physical nuclear tests. LLNL claims that complex, high-resolution 3D simulations of nuclear explosions that previously took months on Sierra, its most powerful system, can be completed in just hours or days on El Capitan.

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Source: www.newscientist.com