All USA & Canada articles – Page 119
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NewsSome phytoplankton can blitz neurotoxin methylmercury - even in the dark
In the search for ways to fight methylmercury in global waterways, scientists have discovered that some forms of phytoplankton are good at degrading the potent neurotoxin - even in the absence of sunlight.
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NewsMolnupiravir dose of human effect size-equivalent blocks Covid transmission in ferrets
Two oral drugs provide equivalent therapeutic benefit in preventing severe COVID-19 in animal models, but only molnupiravir efficiently blocked SARS-CoV-2 transmission when administered at a human effect size-equivalent dose.
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NewsSynthetic antibiotic could be effective against drug-resistant superbugs
Researchers have found a new antibiotic strategy to defeat gram-negative bacteria like Salmonella, Pseudomonas and E. coli, making use of a synthetic molecule that works fast and is durable in animal tests.
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NewsEngineered probiotic developed to treat multiple sclerosis
Researchers are working on a new approach to target autoimmunity in the brain, leveraging designer bacteria to make treatment safer and more effective.
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NewsModulating type 1 Interferon may expand treatment options for COVID-19
Researchers have, for the first time in nonhuman primates, studied how modulating the signaling of type 1 Interferon (IFN-I), one of the body’s initial defenses against infection, impacts SARS-CoV-2 viral replication and disease progression.
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NewsResearchers find chink in the armour of tuberculosis pathogen
Discovery of drug resistance network could clear way for developing a drug to prevent pathogen from resisting and tolerating tuberculosis treatment.
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NewsAMR poses threat in all 35 countries in the Americas
569,000 deaths were linked to bacterial antimicrobial resistance in all 35 countries of the WHO Region of the Americas, according to a new study.
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NewsEgyptian cotton gene grants powerful resistance to resurging blight
An overlooked gene found in Egyptian cotton confers powerful resistance to bacterial blight, a plant disease that is threatening cotton production worldwide.
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NewsFlu deaths rise when pro sports teams move into cities
West Virginia University economists, whose research shows flu deaths increase when a city becomes home to a new professional sports team, say their data should make even the biggest fans reconsider support for taxpayer-funded stadium subsidies.
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NewsCurrent estimates of Lake Erie algae toxicity may miss the mark
A new study of the annual harmful algal bloom (HAB) in Lake Erie suggests that the toxicity of the bloom may be overestimated in earlier warm months and underestimated later in the summer.
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NewsMonoclonal antibody shows promise for treating chronic hepatitis B and D infections
In a preclinical study, the potential of an engineered investigational human monoclonal antibody for the treatment of chronic hepatitis B and hepatitis D has been demonstrated.
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NewsResearchers using synthetic microbiomes to protect aquatic communities from bacteria
Scientists have been awarded a grant to create synthetic microbiomes – communities of microorganisms – that will better protect aquatic environments from bacteria.
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NewsChanges in gut microbiome alters rewarding effects of cocaine and cravings
Scientists have provided the first evidence that changes in the gut microbiome have significant effects on cocaine use and cravings after withdrawal.
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NewsDiazotrophs show nitrogen fixation hotspots in Atlantic seaweed communities
A new study examining nitrogen fixation among diazotrophs – microorganisms that can convert nitrogen into usable form for other plants and animals – has found significant hotspots in sargassum communities.
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NewsGut hormone doubles as immune regulator for the fungal microbiome
Research shows that a gut hormone called peptide YY also plays a vital role in maintaining the health of the gut microbiome by preventing helpful fungi from turning into more dangerous, disease-causing forms.
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NewsNew Drosophila toolkit to help reveal how Covid-19 virus impacts human health
Researchers have developed a toolkit of <i>Drosophila melanogaster</i> COVID-19 resources to study how viral and human proteins interact, with the goal of developing therapies for symptoms caused by existing and new strains.
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NewsEngineered microbe targets fungal scourge of golf courses
A patented beneficial microbe is found to be promising for disarming fungal pathogens that affect turfgrass.
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NewsNew HIV drug formulation could improve treatment outcomes for children worldwide
Researchers have confirmed the dosing, safety and effectiveness of a drug formulation designed for treating children with human immunodeficiency virus (HIV).
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NewsModerna is safest, most effective mRNA vaccine against COVID-19 for older adults
A study of older US adults found that the risk of negative effects of both mRNA vaccines is exceptionally low, but lowest with the Moderna vaccine.
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NewsJohn Rummel to be honored with the SETI Institute’s 2023 Drake Award
The SETI Institute has announced that Dr. John Rummel will receive the prestigious 2023 Drake Award, recognising his extraordinary and innovative programmatic contributions and unwavering advocacy for SETI and astrobiology.