6,685 articles mezi dny 1.10.2020 a 31.10.2020
Effects of poverty on childhood development seen in children as young as 5
- ScienceDaily
- 20/10/9 15:35
Researchers have found that health inequities can be measured in children as young as 5 years old. The research contributes to a growing body of literature finding that children of color who are also poor face greater health inequities than their white counterparts.
BAME groups hit hard again as Covid second wave grips UK nations
As cases surge, figures show the demographics of those most seriously affected by coronavirus remain the same Coronavirus – latest updatesSee all our coronavirus coverageOne of the earliest signs that black, Asian and minority ethnic (BAME) people were being disproportionately harmed by the coronavirus pandemic came when the Intensive Care National Audit and Research Centre (ICNAR) published...
Antibacterial prodrug by targeting intracellular metabolite
National University of Singapore researchers have developed an approach to selectively target pathogenic bacteria by harnessing an intracellular metabolite known as formate, abundant in these bacteria, as a new antimicrobial strategy. Formate is an essential metabolite needed for growth in certain pathogenic strains but is only found in low amounts in mammalian cells.
Support film makes cryo-electron microscopy sharper
A trio of researchers at MRC Laboratory of Molecular Biology has developed a support film for creating sharper images in cryo-electron microscopy. In their paper published in the journal Science, Katerina Naydenova, Peipei Jia and Christopher Russo describe the factors that lead to blurring due to sample movement. They also describe the support film they developed to correct the problem. Micah...
Climate patterns linked in Amazon, North and South America, study shows
University of Arkansas researchers have established a link between climate patterns in the Amazon and large parts of North and South America using their newly developed tree-ring chronology from the Amazon River basin.
Replacing functional groups with a gold electrode to control reactivity of a molecule
A team of researchers affiliated with several institutions in the Republic of Korea has found that it is possible to replace chemical functional groups with a gold electrode to control the reactivity of a molecule. In their paper published in the journal Science, the group describes attaching target molecules to a gold electrode to change the properties of immobilized molecules and how their...
Ice melt projections may underestimate Antarctic contribution to sea level rise
Fluctuations in the weather can have a significant impact on melting Antarctic ice, and models that do not include this factor can underestimate the global impact of sea level rise, according to Penn State scientists.
Rise of online right-wing extremism mapped in landmark study
Researchers from Macquarie and Victoria Universities have published the first study mapping the online activity of right-wing extremists in New South Wales. Their study has revealed a network of highly active, social, and complex communities that is difficult to monitor for potential offline violence and is highly successful in radicalizing at-risk individuals and introducing hateful and extreme...
Managers must listen to workers of all ages on COVID-19 safety
The workplace is full of psychological hazards, including abusive supervisors and mistreatment from customers. But there are also physical hazards like falls from heights, working with faulty equipment and exposure to harsh environments—all outlined in Canada's Occupational Health and Safety Regulations.
Black and Asian patients have increased risk of severe COVID-19 at different stages of the disease, UK study finds
- ScienceDaily
- 20/10/9 14:49
Patients of Black ethnicity have an increased risk of requiring hospital admission for COVID-19, while patients of Asian ethnicity have an increased risk of dying in hospital from COVID-19, compared to White patients, a study in the UK has found.
Researchers use artificial intelligence language tools to decode molecular movements
- ScienceDaily
- 20/10/9 14:49
Researchers used language processing AI to turn molecular movements into stories that reveal what forms a protein can take and how and when it changes form -- key information for understanding disease and developing targeted therapeutics.
Immune evasion strategy used by Malaria-causing parasite
- ScienceDaily
- 20/10/9 14:49
A team of researchers has found that the Plasmodium parasite, which transmits malaria to humans through infected mosquitos, triggers changes in human genes that alter the body's adaptive immune response to malarial infections.
The Colorado river's water supply is predictable owing to long-term ocean memory
- ScienceDaily
- 20/10/9 14:49
A team of scientists at Utah State University has developed a new tool to forecast drought and water flow in the Colorado River several years in advance. Although the river's headwaters are in landlocked Wyoming and Colorado, water levels are linked to sea surface temperatures in parts of the Pacific and Atlantic oceans and the water's long-term ocean memory.
Most nations failing to protect nature in COVID-19 pandemic recovery plans
- ScienceDaily
- 20/10/9 14:49
The COVID-19 pandemic provides an opportunity to reset the global economy and reverse decades of ecosystem and species losses, but most countries are failing to invest in nature-related economic reforms or investments, according to a new paper.
Pfizer's breast cancer drug Ibrance fails late-stage study
The latest development comes after an independent data monitoring committee said in May a similar trial comparing Ibrance plus an endocrine therapy to a standalone endocrine therapy to treat early-stage breast cancer was unlikely to meet the main goal. Ibrance is already approved in the United States to treat certain adult patients with advanced breast cancer which has spread to other parts of...
UK R rate edges down to 1.2-1.5 but government scientists cautious
The UK's reproduction "R" number of COVID-19 has edged down to 1.2-1.5 from 1.3-1.6, government scientists said on Friday, adding there was still widespread growth of the epidemic across the country. The daily infection growth rate was between +4% to +9%, compared to +5% to +9% a week...
Large study shows 45,000 new daily COVID infections in England
There are as many as 45,000 new COVID infections in England each day, the largest study on prevalence of the coronavirus in the population said on Friday, adding that a resurgence in the north of the country could be replicated elsewhere in weeks. Prime Minister Boris Johnson is battling to avert a second wave of COVID-19 with local lockdowns, but the study suggests that the number of daily...
Factbox: What is the World Food Programme, and what does it do?
The United Nations' World Food Programme (WFP), which won the Nobel Peace Prize on Friday for its efforts to combat hunger and promote peace, was founded in 1961 at the request of U.S. President Dwight Eisenhower. * The WFP began as an experiment to see if the United Nations system could deliver food aid. * It gained permanent status in 1965 and calls itself the world's largest humanitarian...
Cell wall degrading enzyme is integral for plant parasitism and cross-species grafting
Using the model Orobanchaceae parasitic plant Phtheirospermum japonicum, scientists from Nagoya University and other research institutes from Japan have discerned the molecular mechanisms underlying plant parasitism and cross-species grafting, pinpointing enzyme β-1,4-glucanase (GH9B3) as an important contributor to both phenomena. Targeting this enzyme may help control plant parasitism in crops....
Astronomers produce largest 3-D catalog of galaxies
A team of astronomers at the University of Hawaiʻi at Mānoa Institute for Astronomy (IfA) has produced the world's largest three-dimensional astronomical imaging catalog of stars, galaxies and quasars. The team used data from UH's Panoramic Survey Telescope and Rapid Response System or Pan-STARRS1 (PS1) on Haleakalā. The PS1 3π survey is the world's largest deep multi-color optical survey,...
Engineers create helical topological exciton-polaritons, a new type of quasiparticle
The understanding of quantum physics has involved the creation of a wide range of quasiparticles. These notional constructs describe emergent phenomena that appear to have the properties of multiple other particles mixed together.
Development of cost-efficient electrocatalyst for hydrogen production
The key to promoting the hydrogen economy represented by hydrogen vehicles is to produce hydrogen for electricity generation at an affordable price. Hydrogen production methods include capturing by-product hydrogen, reforming fossil fuel, and electrolyzing water. Water electrolysis in particular is an eco-friendly method of producing hydrogen, in which the use of a catalyst is the most important...
Droughts are threatening global wetlands
University of Adelaide scientists have shown how droughts are threatening the health of wetlands globally.
Proglacial lakes are accelerating glacier ice loss
Meltwater lakes that form at glacier margins cause ice to recede much further and faster compared to glaciers that terminate on land, according to a new study. But the effects of these glacial lakes are not represented in current ice loss models, warn the study authors.
Britain must nurture its scientific expertise to help save the world from climate crisis | Martin Rees
Clean energy and sustainable food supplies will be the planet’s most pressing issues over the next 30 years“Experts” have had a raised profile during the Covid-19 pandemic, standing – albeit somewhat embarrassed – alongside Boris Johnson during his press conferences. In coping with health-related matters, scientific advice is crucial. We will also need optimally applied science in...