Articles tagged with Africa
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The CABI-led study provides a comprehensive review of the devastating fall armyworm (Spodoptera frugiperda), highlighting its serious impact on maize and other cereal crops in Africa and parts of Asia and Australasia. The research offers recommendations for research to enhance sustainable management of FAW in invaded regions.
Researchers found that protected Indigenous lands have higher forest integrity than non-protected areas in all regions analyzed, including the Americas and Africa. However, within Indigenous lands without overlap with protected areas, forest health was actually worse off than non-protected areas.
Researchers found increasing water storage in recent decades, despite declining long rains season, which points to a potential silver lining for climate adaptation. Groundwater may support increasingly food and water insecure rural populations in the Horn of Africa drylands.
Over 250 health journals globally publish an editorial urging wealthy nations to provide climate justice for Africa, citing severe flooding, increased infectious diseases, and economic devastation. The authors argue that achieving the $100bn climate finance target is now 'globally critical' to forestall systemic risks.
A recent study published in eLife reveals that women, the elderly, those in rural areas, and those living in poverty are less likely to own a mobile phone, thereby excluding them from accessing mobile health (mHealth) services. The study highlights the need for digital transformation across Africa to ensure equitable access to healthcare.
The editorial urges wealthy nations to step up support for Africa and vulnerable countries in addressing past, present, and future impacts of climate change. The climate crisis has destroyed a fifth of the GDP of the most vulnerable countries.
A clinical trial begins in the Democratic Republic of Congo to evaluate tecovirimat's safety and effectiveness in treating monkeypox. The trial will enroll up to 450 participants, comparing those who receive tecovirimat to placebo, and gather data on disease severity, mortality, and recovery.
A recent MU study found that COVID-19 significantly impacted the academic experiences of African international students, with travel limitations, restricted employment opportunities, and family concerns making it difficult to focus on studies. The findings highlight the need for tailored support from universities during times of crisis.
A new analysis found that women in sub-Saharan Africa continue to face a higher risk of death following childbirth beyond the standard 42-day postpartum limit. The research, published in The Lancet Global Health, suggests that this risk remains elevated until around four months after childbirth.
Research reveals forest elephants disperse seeds over long distances, aiding timber species regeneration. Logging can be part of conservation efforts when planned and legally conducted.
A study published in the Review of Development Economics found that investments in high-quality education for rural farm people are crucial to breaking the cycle of low soil health and human capital development. Annual returns to schooling in Malawi were 3-4% after correcting for various factors.
A team of researchers has observed orcas killing white sharks in South Africa using drone and helicopter footage. The study provides the first direct evidence of this behavior, showing that orcas are capable of pursuing, capturing, and incapacitating white sharks.
The University of Illinois has received a $30 million investment from USAID to develop soybean value chains across Sub-Saharan Africa. The project aims to remove last-mile obstacles to technology adoption, including seed, productivity-improvement, and credit issues.
A new study from the University of Bergen found that prophylactic anti-malarials can save money and reduce hospital readmissions for severely anaemic children in malaria-endemic areas. The research showed a 70% reduction in readmissions and deaths among these children.
A new species of iris has been discovered in the Langeberg Mountains of South Africa, known as Geissorhiza seracina. The plant boasts a unique deep cherry-pink color and is one of the first new Iridaceae species to be found in over a decade.
Researchers documented social ties between individual chimpanzees and gorillas that persisted over years and across different contexts. The study found enhanced foraging opportunities to be a key benefit of interspecies social interactions, with apes sharing knowledge of diverse plant species.
A new, shorter combination treatment has been shown to be effective in treating visceral leishmaniasis in Eastern Africa. The treatment, which combines miltefosine and paromomycin, is safer and reduces hospitalization time by 18%, eliminating the need for painful daily injections.
The new initiative aims to create more equitable digital financial services, expanding access to mobile money and other services for low-income earners and marginalized communities. The Upanzi Network will leverage research and academia across the continent to develop secure and cost-effective open-source digital technologies.
Scientists analyze environmental data to find temperature, rainfall, and pastureland areas as key factors contributing to viral transmission. The researchers project that areas hospitable to Lassa virus spread may extend into Central and East Africa in the next several decades.
Scientists from the University of Rochester have provided a more accurate simulation of the impact that formed Earth’s largest crater two billion years ago. The new research suggests the impactor was much larger, about 20 to 25 kilometers in diameter, and traveling at a velocity of 15 to 20 kilometers per second.
Climate variability in eastern Africa influenced hominin evolution, leading to anatomically distinct groups and modern human separation. Researchers analyzed lake sediment cores, revealing stable humid conditions, abrupt arid pulses, and extreme environmental shifts.
A new study led by ICM-CSIC has revealed the complex geometry of the Alboran Sea faults system, which has been absorbing most of the deformation from plate collision. The research demonstrates that this region is one of the most important fault systems in the western Mediterranean and has a significant tsunami risk.
The African Plant Nutrition Institute, Fertilizer Canada, and OCP Africa have signed a MoU to collaborate on agriculture development programmes that target sub-Saharan rural farmers. The planned interventions will see an improvement in food-security and livelihoods for smallholder farmers through joint programming, shared learning, and...
A new analysis of nutrient omission trial data reveals that balanced fertilizer application can significantly improve maize and rice yields in sub-Saharan Africa. The study found that doubling current yields through balanced fertilization with nitrogen, phosphorus, and potassium can lead to more consistent results across regions.
A study by the University of Bristol and Namibian Ministry found no statistically significant differences in population growth factors between dehorned and horned black rhinos. The research suggests that dehorning is not a hindrance to black rhino reproduction or survival, reassuring its use as an anti-poaching deterrent.
A £7M NIHR award will scale clean energy access to improve health, gender equality and climate in sub-Saharan Africa. The project aims to address household air pollution, a significant risk factor for global disease, and will focus on informing national strategies to meet the UN's Sustainable Development Goal 7.
Researchers used a random forest model to analyze hyena whoops and found that individual signatures are distinct enough for identification. Repeating calls can improve identification accuracy, peaking at seven repetitions.
A recent study led by Veronika Somoza found that egg powder is a valuable source of essential nutrients, including vitamins and indispensable amino acids. The researchers discovered that the drying process did not lead to contamination with heavy metals and that egg powder can provide up to 61% of a child's daily requirement for selenium.
A study by the University of Copenhagen found that religiosity significantly affects the risk preferences of small-scale farmers in Ethiopia. Farmers who believe in a higher power are more willing to take risks, with approximately 26% believing God determines their success as farmers.
The study reveals that donkeys were first domesticated in Africa 5,000 years ago, with a previously unknown genetic lineage discovered in the Levant. This discovery has significant implications for understanding the history of trade between Europe and North Africa.
A new study published in The Lancet shows that telemedicine can provide safe and effective abortion services without routine ultrasound exams. Women who received telemedicine care had treatment results similar to those who received standard care, and preferred the option.
Researchers have identified genetic signatures explaining ethnic differences in prostate cancer severity, particularly in African men. The study found a new prostate cancer taxonomy and cancer drivers that predict life-threatening cancers, providing a critical key to understanding the disease.
Research reveals that wildlife hunting motivations differ across Africa and Europe, shifting from economic to socio-cultural and recreational factors as socio-economic conditions increase. Hunting intensity is surprisingly constant, while densely populated areas experience increased conflict-related killings.
A new study sheds light on the ancestry of manatees, tracing their evolution back 47 million years to northern Africa. The research suggests that modern manatees migrated from South America to the Caribbean and North America around 34 million years ago, with some species thriving in communities for millions of years.
A new study led by York University finds that lower-to-middle-income countries struggle with high unemployment rates after COVID-19 lockdowns and economic restrictions. In contrast, higher-income countries such as Canada have better managed their unemployment rates.
Public health researchers developed a global vaccine risk index (VRI) to predict vaccine coverage lapses worldwide. The VRI considers factors like measles incidence, vaccine confidence, climate change, education, and income, revealing countries at high risk of disease outbreaks.
A meta-analysis of nearly 300 studies reveals a higher hypertension prevalence in urban areas but with a narrowing gap over time and socio-economic development, indicating rapid increase in rural areas. The study highlights the need for increased awareness and control measures in rural areas to address the growing burden of hypertension.
Researchers analyzed the impact of continental free trade and agricultural development on Africa's food security. They found that combining both approaches can improve trade balances, reduce hunger, and mitigate greenhouse gas emissions.
Researchers developed a statistical mapping tool to predict genetic markers of resistance to Plasmodium falciparum, the parasite that causes malaria. The model uses data from the WorldWide Antimalarial Resistance Network and fills in gaps by making continuous predictions in space and time.
Researchers used Plasmodium falciparum 7G8 challenge trials to test the PfNF54-based PfSPZ Vaccine, providing conservative predictions of its efficacy in Africa. The study found that VE over 24 weeks was as good as or better than VE against Pf7G8 CHMI at 24 weeks.
A study of 17 African coastal countries found that those farther from the coast have lower standards of living, with fewer owning radios, TVs, and vehicles. Access to education and infrastructure are key factors in increasing prosperity near ports.
A study of over 32,000 West African children found that extreme heat exposure increases the prevalence of stunted growth from chronic malnutrition by 12% and of low weight from acute malnutrition by 29%. The researchers estimate that rising temperatures could nearly double the effect of heat exposure on stunting.
A team of international scientists found that endothermy appeared in mammalian ancestors about 233 million years ago, well before the origin of mammals. Fossils from South Africa's Karoo region played a key role in this discovery, providing an unbroken record of life's evolution.
Researchers have identified 42 host cell proteins that contribute to the replication and spread of Lassa virus, a disease with high morbidity and mortality in Western Africa. One potential drug target, GSPT1, was found to be involved in viral-host interactions and showed antiviral activity against Lassa without cytotoxicity.
A new recombinant VSV-vectored vaccine developed at UTMB provides rapid protection against lethal Lassa fever, a pathogen causing severe symptoms and high mortality rates. The vaccine was found to be effective against different strains of the virus, critical for outbreak scenarios.
Researchers at Massachusetts General Hospital found that paclitaxel improves clinical outcomes and is cost-effective compared to commonly used treatments in Kenya. Using paclitaxel instead of bleomycin-vincristine could save 6,400 years-of-life and reduce healthcare expenditures by $3.7 million over five years.
A recent study found that climate change will decrease the availability of female low-skilled labor, driving a potential increase in their wages. This could close the wage gap between male and female low-skilled labor as well as the wage gap between low-skilled and high-skilled female labor.
A study found that widely-used kidney function tests are inaccurate for predicting kidney disease in African populations, suggesting a significant underestimation of kidney disease prevalence. The creatinine-based test was shown to be less effective due to unique biological characteristics in African populations, while the cystatin C t...
Researchers at the University of Malaga study the global risk of yellow fever transmission to humans, finding high zoonotic potential in southeastern Brazil and western Amazon basin. The team proposes prioritizing vaccination efforts in regions with favorable conditions for virus presence and mosquito vectors.
A new study published in Environmental Research Letters estimates that thousands of heat-related child deaths could be prevented if temperature increases are limited to the Paris Agreement's 1.5ºC target through to 2050. Under a high emission scenario, heat-related child mortality is projected to double by 2049 compared to 2005-2014.
A team of researchers has discovered 1.2-billion-year-old groundwater containing radiogenic helium, neon, and xenon, which could sustain subsurface microbial communities. The study reveals how energy stored in the Earth's subsurface can be released and distributed through its crust.
The Brigham and Women's Hospital will implement and evaluate an integrated service delivery model (PEN-Plus) for severe chronic noncommunicable diseases, such as type 1 diabetes and rheumatic heart disease, in eight low- and lower-middle-income countries. The initiative aims to enable one million of the world's poorest children and you...
Great White Sharks have been avoiding a South African coastal region due to the presence of Orcas. Long-term sightings and tagging data show that Great Whites flee areas with high Orca activity, adopting a 'flight' strategy reminiscent of wild dogs in response to increased lion presence.
The construction of dams and changes in land use have significantly impacted the amount of sediment rivers carry to oceans. Sediment transport has decreased by 49% globally due to dam construction, while increasing on 36% of rivers in the south, primarily driven by deforestation.
A MU researcher has earned a federal grant from the United States Fulbright Program to conduct community engagement research in South Africa. He aims to assist disengaged, vulnerable youth in rural areas through community development initiatives.
Three African vulture species have significantly larger home ranges than existing protected areas, increasing exposure to human-related food sources and environmental toxins. Conservation efforts require addressing challenges outside protected areas.
Fossils found in the 'Cradle of Humankind' in South Africa are estimated to be between 3.4 and 3.7 million years old, making them older than previously thought. This new age range places these fossils at the beginning of the Australopithecus era, challenging previous theories that they were near the end.
Fossils from Sterkfontein Caves in South Africa reveal nearly four million years of hominin evolution. The new ages of Australopithecus-bearing deposits place the South African hominins as contemporaries of other early species, like Australopithecus afarensis, in east Africa.
Researchers at the University of Washington discovered that African wild dogs, a highly endangered species, shifted their breeding dates later in response to changing temperatures, leading to reduced pup survival rates. The study highlights how large predators can be vulnerable to climate change and its impact on life history events.
A team of researchers has discovered a property of light that remains unchanged in complex media, allowing for distortion-free communication and sensing. By applying a novel quantum approach, they showed that all light has this invariant property, which can be exploited to correct distortions without losing any light.