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Results 21 - 40 of 3006.

Life Sciences - Health - 29.09.2022
Making lab-grown brain organoids 'brainier'
Making lab-grown brain organoids ’brainier’
UCLA-led team discovers that using early-stage stem cells is a key to producing structures that are reliable models of disease UCLA-led team discovers that using early-stage stem cells is a key to producing structures that are reliable models of disease In recent years, mini-brain organoids have been used in the lab to model a variety of diseases, from Alzheimer's to COVID-19.

Physics - Health - 29.09.2022
How contrast agents disperse inside cells
How contrast agents disperse inside cells
Detailed images of cells with X-ray contrast agents Contrast agents are often used to improve the imaging of soft tissue in micro-computed tomography (microCT). Now a research team led by the Technical University of Munich (TUM) has investigated how these agents disperse inside cells. Their findings could improve the assessment and further development of contrast agents and might contribute to future medical diagnostics.

Environment - Agronomy / Food Science - 29.09.2022
Turtle studies help trace evolutionary changes
Since Darwin, we have known that evolutionary adaptation is reflected in the appearance and function of species' bodies under environmental changes. One of the questions commonly asked by evolutionary biologists is how body shape relates to a specific ecological feature, such as diet. In a recent study published in the journal Evolution , Guilherme Hermanson and his team at the University of Freiburg looked at the environmental factors that affect the shape of turtle skulls.

Psychology - 29.09.2022
Insecure attachment may be detrimental to the sexual well-being of long-term couples
A study has found that attachment insecurity affects sexual well-being in long-term couples. Among other things, it can shape people's motives for having sex. CONTENU - What motivates people in long-term relationships to have sex and how do those motives affect the emotions they experience during sex? Noémie Beaulieu, a doctoral candidate in the Department of Psychology at the University of Montreal, and her fellow researchers wanted to find out.

Astronomy / Space Science - Earth Sciences - 29.09.2022
Lunar glass shows Moon asteroid impacts mirrored on Earth
Lunar glass shows Moon asteroid impacts mirrored on Earth
A Curtin-led research team has found asteroid impacts on the Moon millions of years ago coincided precisely with some of the largest meteorite impacts on Earth, such as the one that wiped out the dinosaurs. The study also found that major impact events on Earth were not stand-alone events, but were accompanied by a series of smaller impacts, shedding new light on asteroid dynamics in the inner solar system, including the likelihood of potentially devastating Earth-bound asteroids.

Astronomy / Space Science - Earth Sciences - 29.09.2022
New evidence for liquid water beneath the south polar ice cap of Mars
An international team of researchers has revealed new evidence for the possible existence of liquid water beneath the south polar ice cap of Mars. Scientists from the University of Sheffield are part of an international team of researchers that have revealed new evidence for the possible existence of liquid water beneath the south polar ice cap of Mars The findings provide the first independent line of evidence, using data other than radar, that there is liquid water beneath Mars- south polar ice cap Like Earth, Mars has thick water ice caps at both poles.

Health - 29.09.2022
Study links devolution in Greater Manchester to modest improvement in life expectancy
The devolution deal which granted Greater Manchester increased control over a range of public services, including health and social care, has been linked to a positive impact on life expectancy in a study by University of Manchester researchers. The Health Foundation funded study also showed the benefits linked to devolution on life expectancy were felt in the most deprived local authorities where there was poorer health, suggesting a narrowing of inequality.

Environment - Earth Sciences - 29.09.2022
Flaring allows more methane into the atmosphere than we thought
Study: Inefficient and unlit natural gas flares both emit large quantities of methane abq0385 Oil and gas producers rely on flaring to limit the venting of natural gas from their facilities, but new research led by the University of Michigan shows that in the real world, this practice is far less effective than estimated-releasing five times more methane in the U.S. than previously thought.

Health - Agronomy / Food Science - 28.09.2022
Trial with three vaccines against bird flu
Wageningen Bioveterinary Research (WBVR) has started a trial with bird flu vaccination. In Lelystad vaccines against bird flu of three different pharmaceutical companies are tested. In the trial vaccines against the current H5 viruses are tested in laying hens. "More information about the potential vaccines against bird flu is required before these can be applied in the field," explains bird flu researcher Nancy Beerens.

Psychology - Health - 28.09.2022
Not pursuing your goals during the pandemic is good for your mental health
Being able to let go of goals is a critical part of staying mentally healthy People who shelved their long-term goals during the pandemic were better able to avoid anxiety and depression, according to a new study. Researchers at the University of Waterloo aimed to investigate the relationship between what they call COVID-frozen goals - goals for which progress has been disrupted due to COVID-19 - and psychological well-being.

Physics - Chemistry - 28.09.2022
Three Eyes See More than Two
Three Eyes See More than Two
Researchers at TU Vienna and FHI Berlin succeeded in monitoring a catalytic reaction with three different microscopies under exactly the same conditions in real time. In this way, information is obtained that none of the methods alone could reveal. One has to look very closely to exactly understand what processes take place on the surfaces of catalysts.

Economics / Business - 28.09.2022
How giving pledges encourage effective donations
Each, year people donate more than $500 Billion - equivalent to 2.5% of the US GDP. The sheer size of this amount shows that charitable giving has the potential to play a prominent role in the transition towards a more equal and sustainable society. Many examples how highly effective interventions contributed to a more resilient society exist: eradicating smallpox, almost eradicating polio, and spectacularly decreasing malaria.

Media - 28.09.2022
’A good death’ in the daily press
Over the last few decades, there has been a change in the way in which we relate to death. Newspaper articles provide an insight into what we consider a 'good' or 'dignified' death. According to research carried out by Radboud university medical center and Radboud University, the articles have revealed that, in the case of the elderly, a good death is primarily associated with having lived a full life and a self-chosen end of life.

Environment - 28.09.2022
Emperor penguins still free of microplastics
Emperor penguins still free of microplastics
Good news from Antarctica: researchers have examined emperor penguins and found no evidence of microplastics in their stomachs. The study, conducted by the University of Basel and the Alfred-Wegener Institute, is an important assessment of environmental pollution at the South Pole. The researchers studied a colony of emperor penguins in Atka Bay, a remote area on the northeastern edge of the Ekström Ice Shelf.

Health - 28.09.2022
For the first time that ticks weaken skin’s immune response
Hitherto, scientists have not fully understood why ticks are such dangerous disease vectors. A research team led by Johanna Strobl and Georg Stary from MedUni Vienna's Department of Dermatology shows that tick saliva inhibits the skin's defence function, thereby increasing the risk of diseases such as tick-borne encephalitis (TBE) or Lyme disease.

Life Sciences - Mathematics - 28.09.2022
Better understanding of cellular metabolism with the help of AI
Better understanding of cellular metabolism with the help of AI
Metabolism is essential to all living organisms, and modeling the chemical reactions that sustain life is no easy task. Now, scientists have released REKINDLE, paving the way for more efficient and accurate modeling of metabolic processes thanks to deep-learning. The way an organism metabolizes nutrients is a complex process.

Music - Life Sciences - 28.09.2022
How is birdsong composed? Listening to the Australian pied butcherbird
An international collaboration between musicians and birdsong scientists has found that in the Australian pied butcherbird songs surveyed, the order of song elements is strongly related to rhythmical timing. In a study published today on Australian pied butcherbirds in Royal Society Open Science, researchers found that the order of their song elements is strongly associated with the butcherbird's rhythmical timing.

Earth Sciences - Chemistry - 28.09.2022
Predicting the next volcanic eruption, plus other stories
Predicting the next volcanic eruption Volcanic eruptions can be tricky to predict. Magma stored below volcanoes contains dissolved gases, including carbon dioxide, which escape to the surface and can be sampled at different times (before, after or during) an eruption to provide clues about the next one.

Environment - Innovation - 28.09.2022
A new window into plants of the past
A new window into plants of the past
Researchers from Université de Montréal and the University of Minnesota have developed a fast, nondestructive way of estimating how millions of dried plant specimens interacted with their environment. CONTENU - Within the cabinets and drawers of the world's herbaria are nearly 400 million dried plant specimens.

Environment - 28.09.2022
Researchers identify mechanism responsible for temperature and salinity ’staircases’ in Arctic Ocean
Researchers at the University of Toronto have identified the mechanism responsible for the formation of temperature and salinity "staircases" in the Arctic Ocean, resolving a mystery that has confounded oceanographers and climatologists alike for more than half a century. Understanding how these vertical structures work promises to shed more light on the causes and consequences of rapid Arctic sea ice loss amid climate change.