All The Americas articles – Page 3
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NewsPoor hygiene and food handling practices increase the risk of bacterial outbreaks in Brazilian households
A significant number of Brazilians engage in improper food hygiene and handling practices at home. Examples include washing meat in the kitchen sink and failing to properly wash vegetables.
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NewsLuis Daniel Sansores España named recipient of the 2026 IADR Norton Ross Fellowship
The International Association for Dental, Oral, and Craniofacial Research (IADR) has announced Luis Daniel Sansores España, IADR Chilean Division, as the 2026 recipient of the IADR Norton Ross Fellowship.
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NewsLonger-term plankton species diversity is independent of ocean mixing
A new study identifies correlations between turbulence, plankton diversity and aggregate abundance in marine coastal regions over longer time periods, providing new insights into marine ecosystems.
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NewsTiny plankton have big impact on harmful algal bloom predictions
While some computer models can forecast potential algal blooms, their accuracy is limited.. A new study shows that coupling three models and accounting for how different algae species interact can significantly improve predictions.
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NewsEnzyme produced by fungus may replace chemicals in the paper industry
Fungal xylanase can be obtained by cultivating the microorganism in sugarcane bagasse or wheat bran. The solution is a non-polluting alternative for bleaching cellulose pulp, which currently uses a toxic chemical.
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NewsA smarter way to build vaccines: scientists harness AI to target emerging alphaviruses
Scientists have developed a new computational pipeline that could dramatically accelerate the development of vaccines against a group of mosquito-borne viruses known as alphavirus.
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NewsLoss of microbiota alters the profile of cells that protect the intestinal wall
Experiments in mice and human tissue indicate that a reduction in bacteria living in the large intestine decreases mucus production and affects nutrient absorption, particularly in older adults.
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NewsBlood test using artificial intelligence paves the way for early diagnosis of leprosy
A new blood test combined with a standardized questionnaire and artificial intelligence may transform the way leprosy is diagnosed in Brazil. The method showed potential for identifying the disease in its initial stages, when symptoms are subtle and traditional laboratory tests often fail.
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NewsScientists warn antibacterial soaps and wipes can fuel antimicrobial resistance
An international team of scientists is warning that everyday antibacterial soaps, wipes, sprays, and other “germ‑killing” products are quietly contributing to the global rise of antimicrobial resistance (AMR) while providing no added health benefit for most consumer uses.
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NewsA study links armed conflict in Colombia with higher tuberculosis cases and mortality
Areas with the highest intensity of conflict between 2008 and 2019 recorded a higher disease burden, highlighting the need for control strategies tailored to each territory.
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NewsScientists solve 40-year-old biological mystery behind sleeping sickness
Scientists have cracked a 40-year-old biological cold case by revealing how the parasite that causes sleeping sickness stays one step ahead of the human immune system.
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NewsUse of controversial weedkiller inadvertently selects for drug-resistant bacteria that can spread to hospitals
Scientists have found evidence that the spread of AMR isn’t always driven by bacteria evolving to resist the antibiotics themselves: rather, certain weedkillers can have the same effect.
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NewsStudy details neuropsychiatric symptoms and biological mechanisms of long COVID
A review highlights the need to standardize diagnosis and treatment of long Covid. In the study, the researchers emphasize that avoiding SARS-CoV-2 infection is the only way to prevent long COVID so far.
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NewsDiet determines the bacteria present in microbial gardens cultivated by ants
Researchers studying leafcutter ants have demonstrated how bacteria in the colonies respond to different diets provided by ants to the fungi they cultivate. The study paves the way for a better understanding of how colonies function and may lead to the discovery of new molecules for biotechnological use.
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NewsClimate change is fueling disease outbreaks
Researchers analyzed the connection between a cyclone in Peru and a massive outbreak of dengue fever, a mosquito-borne viral disease that can cause fever, rash, and life-threatening symptoms like hemorrhage and shock. Their findings reveal that warmer, wetter weather linked to climate change is making disease epidemics more likely.
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NewsDengue vaccine remains 80.5% effective against severe cases after five years
The tetravalent dengue vaccine was 80.5% effective against severe dengue cases with warning signs over a five-year period. Overall, the vaccine was 65% effective in preventing symptomatic dengue (caused by any serotype) during the five years of monitoring.
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NewsDiversification of termite diets was made possible by genome modifications
Study reveals that evolutionary divergence occurred before ecological divergence, enabling these insects to feed on both wood and soil. Future discoveries may be applied to the production of biofuels.
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News Natural dye produced by Amazonian fungus can be used in cosmetics
A red extract made from Talaromyces amestolkiae was tested in the bases of potential products, including face cream, shampoo, and gel sticks, for its antioxidant and antibacterial properties.
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NewsResearchers identify ‘neuroimmune signature’ that can predict viral hepatitis complications
A network of genes linked to the nervous and immune systems can predict cancer risk and even explain symptoms such as fatigue and depression resulting from viral hepatitis infection.
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NewsUnderground fungal map of the world’s oldest, slowest-growing rainforest trees can boost the resilience of Earth’s long-term carbon sinks
Protecting and conserving old trees will protect hundreds, if not thousands, of mycorrhizal and other fungal species that inhabit soils around these giants, each of which play a role we might not fully understand in keeping these forests healthy and resilient.