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Oxford University Study Links Human Right-Handedness to Evolutionary Changes

Oxford University Study Links Human Right-Handedness to Evolutionary Changes

A recent study led by researchers from the University of Oxford has explored the evolutionary roots of human right-handedness, a trait observed in approximately 90% of the population. The study, published in PLOS Biology, analyzed handedness across 41 species of monkeys and apes, involving data from 2,025 individuals. The researchers found that humans' strong right-handed bias is linked to two major evolutionary developments: bipedalism and increased brain size. By incorporating these factors into their models, the researchers demonstrated that humans are not as unique in their handedness as previously thought. The study suggests that the anatomical changes associated with upright walking and larger brains have contributed to the development of right-handedness in humans.
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Scientists Gather to Define Love, Highlighting Its Complexity and Significance

Scientists Gather to Define Love, Highlighting Its Complexity and Significance

Scientists Gather to Define Love, Highlighting Its Complexity and Significance
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Dangote Group Expands Investment in Ethiopian Fertilizer Plant to $4 Billion, Enhancing Agricultural Capacity

Dangote Group Expands Investment in Ethiopian Fertilizer Plant to $4 Billion, Enhancing Agricultural Capacity

The Dangote Group has increased its investment in Ethiopia's fertilizer plant project from $2.5 billion to over $4 billion. This expansion includes the development of a 110-kilometer pipeline, a 120-megawatt power plant, a polypropylene packaging facility, and a two-million-tonne NPK blending plant. The project, located in Gode, is set to produce 3 million metric tons of urea annually, making it one of the largest industrial investments in Ethiopia's agricultural sector. Prime Minister Abiy Ahmed and Aliko Dangote recently visited the site to assess the progress, which is advancing as planned. The initiative aims to bolster Ethiopia's domestic fertilizer production, reduce reliance on imports, and support millions of farmers, thereby enhancing agricultural productivity and economic self-reliance.
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Dangote Group Expands Investment in Ethiopian Fertilizer Plant to $4 Billion

Dangote Group Expands Investment in Ethiopian Fertilizer Plant to $4 Billion

The Dangote Group has increased its investment in Ethiopia's fertilizer plant project from $2.5 billion to over $4 billion. This expansion includes the development of a 110-kilometer pipeline, a 120-megawatt power plant, a polypropylene packaging facility, and a two-million-tonne NPK blending plant. The project, located in Gode, is expected to significantly boost Ethiopia's domestic fertilizer production capacity, reducing reliance on imports and supporting millions of farmers. Ethiopian Prime Minister Abiy Ahmed and Aliko Dangote recently visited the site to assess progress, highlighting the project's importance in strengthening Ethiopia's agricultural sector.
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Scientists Name New Moth Species After Pope Leo XIV in Environmental Tribute

Scientists Name New Moth Species After Pope Leo XIV in Environmental Tribute

A new species of moth, discovered on the Greek island of Crete, has been named Pyralis papaleonei in honor of Pope Leo XIV. This naming recognizes the Pope's advocacy for environmental issues. The moth, featuring distinctive purple forewings with orange-golden spots and white stripes, was found in the White Mountains of Crete at elevations between 3,281 and 3,937 feet. Initially misidentified as a related species, Pyralis kacheticalis, the moth was correctly classified after detailed physical and DNA analysis of around 100 specimens. The study, published in Nota Lepidopterologica, highlights the importance of accurate species identification for biodiversity conservation. The moth is most active in June and is often found near artificial light sources.
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Ethiopian Fossil Discovery Challenges Linear Human Evolution Narrative

Ethiopian Fossil Discovery Challenges Linear Human Evolution Narrative

A groundbreaking fossil discovery in Ethiopia is reshaping the understanding of human evolution. Fossils from the Ledi Geraru site indicate that multiple hominin species, including Australopithecus and early Homo, coexisted in the same region between 2.6 and 2.8 million years ago. This finding challenges the traditional linear model of human evolution, suggesting a more complex evolutionary tree with overlapping species. The research, led by Arizona State University, highlights the presence of an unidentified Australopithecus species and the oldest known Homo fossils, providing new insights into the diversity of early human ancestors.
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Study Links Human Right-Handedness to Evolutionary Traits

Study Links Human Right-Handedness to Evolutionary Traits

Study Links Human Right-Handedness to Evolutionary Traits
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400,000-Year-Old Teeth Discovery Sheds Light on Human Evolutionary Links

400,000-Year-Old Teeth Discovery Sheds Light on Human Evolutionary Links

Researchers have unearthed 400,000-year-old teeth in China, revealing new insights into human evolution. The study, published in the journal Nature, highlights the extraction of ancient proteins from these teeth, which are linked to early human ancestors. The findings suggest interactions between Homo erectus and later human relatives, including Denisovans, through shared genetic markers. This discovery challenges the linear view of human evolution, proposing a complex web of connections. The research utilized a non-destructive acid-etching technique to extract proteins, preserving the integrity of the fossils.
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Research Explores Evolutionary Basis for Human Right-Handedness

Research Explores Evolutionary Basis for Human Right-Handedness

A recent study led by researchers from the University of Oxford has delved into the evolutionary roots of human right-handedness, a trait that distinguishes humans from other primates. The study, published in PLOS Biology, analyzed handedness across 41 species of monkeys and apes, involving data from 2,025 individuals. The researchers found that humans exhibit a strong rightward handedness bias, which is not common among other primates. The study suggests that this trait may have evolved due to two significant changes in human evolution: bipedalism and increased brain size. By incorporating factors such as brain size and the intermembral index, which measures the balance between arm and leg length, the researchers were able to account for the strong rightward bias observed in humans.
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Study Finds Calorie Restriction May Slow Aging Without Nutrient Loss

Study Finds Calorie Restriction May Slow Aging Without Nutrient Loss

A recent study published in The American Journal of Clinical Nutrition has revealed that moderate calorie restriction can slow the aging process without compromising nutritional intake. The study, known as CALERIE 2, involved 218 healthy adults who were assigned to either a 25% calorie reduction or a normal diet over two years. Despite not reaching the full 25% reduction, participants averaged a 12% cut, which was sufficient to improve diet quality and reduce inflammation. The research, led by Susan B. Racette, PhD, from Arizona State University, showed that participants maintained nutrient levels through real food rather than supplements. The study also found that calorie restriction led to slower cellular aging, potentially due to reduced oxidative stress.
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Drones are making Sudan's war even deadlier for civilians

Drones are making Sudan's war even deadlier for civilians

Experts say drone warfare has become the deadliest threat to civilians in Sudan's conflict, with both the military and the rival paramilitary Rapid Support Forces being supplied by various countries
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U.S. Lifts Arms Embargo on Ethiopia Amid Rising Red Sea Tensions

U.S. Lifts Arms Embargo on Ethiopia Amid Rising Red Sea Tensions

The United States has lifted its arms embargo on Ethiopia, a restriction that was initially imposed during the Tigray war. This decision was announced by the U.S. State Department’s Directorate of Defence Trade Controls, which confirmed that Ethiopia has been removed from the list of countries subject to a 'policy of denial' under the International Traffic in Arms Regulations (ITAR). The embargo was first introduced in September 2021 due to escalating hostilities and worsening humanitarian conditions in the region. The conflict, which began in November 2020, concluded with the Pretoria peace agreement in November 2022. Despite the peace agreement, tensions have persisted, particularly in northern Ethiopia, with accusations from the Tigray People's Liberation Front (TPLF) against Addis Ababa for violating parts of the ceasefire. The lifting of the embargo comes amid rising tensions between Ethiopia and Eritrea over access to the Red Sea, a situation that has heightened fears of renewed conflict.