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41 articles from ScienceDaily
COVID testing programs may increase risky behavior, research suggests
- ScienceDaily
- 22/11/8 22:39
Based on a false sense of security, students who participated in frequent COVID-19 testing at two universities engaged in more behavior known to increase the risk of spreading the virus than they might have otherwise, according to results of surveys.
Novel atlas shows vast urban infrastructure divide between Global South and Global North
- ScienceDaily
- 22/11/8 22:39
New data from an international research team adds another dimension -- literally -- to understanding the economic and environmental impacts of how cities are built. Using satellite mapping, researchers measured the height of built-up infrastructure in urban areas across the globe, which could improve projections of energy use and emissions and inform city planning and economic development efforts,...
Why are sustainable practices often elusive?
- ScienceDaily
- 22/11/8 22:08
A new study measures how spatial, temporal, cognitive, and cultural limitations affect humans' understanding of their environments.
Childhood traumas strongly impact both mental and physical health
- ScienceDaily
- 22/11/8 22:08
Most Americans report experiencing at least one traumatic event in childhood, and a new study shows that these experiences have significant impacts on our health risks as adults. Physical illnesses such as obesity and chronic pain are affected, but mental disorders show the most significant association, including post-traumatic stress disorder (PTSD), bipolar disorder, substance abuse, and...
Tracing tomatoes' health benefits to gut microbes
- ScienceDaily
- 22/11/8 22:08
Two weeks of eating a diet heavy in tomatoes increased the diversity of gut microbes and altered gut bacteria toward a more favorable profile in young pigs, researchers found. After observing these results with a short-term intervention, the research team plans to progress to similar studies in people.
Investigating COVID-19 deaths for children and young people
- ScienceDaily
- 22/11/8 22:08
A new study conducted in England shows that the risk of death due to COVID-19 remains very low for children and young people, and most deaths occur in those with underlying health conditions.
Ticked off: New device may offer a better way to prevent tick bites
- ScienceDaily
- 22/11/8 22:08
When it comes to preventing tick bites -- especially in light of the dramatic, decade-long rise in tick-borne diseases -- bug sprays help but are less than optimal.
Old bone links lost American parrot to ancient Indigenous bird trade
- ScienceDaily
- 22/11/8 20:29
For centuries, Indigenous communities in the American Southwest imported colorful parrots from Mexico. But according to a recent study, some parrots may have been captured locally and not brought from afar. The research challenges the assumption that all parrot remains found in American Southwest archaeological sites have their origins in Mexico. It also presents an important reminder: The ecology...
Differences between brains of primates are small but significant, study shows
- ScienceDaily
- 22/11/8 20:29
While the physical differences between humans and non-human primates are quite distinct, a new study reveals their brains may be remarkably similar. And yet, the smallest changes may make big differences in developmental and psychiatric disorders.
Researchers develop superfast new method to manufacture high-performance thermoelectric devices
- ScienceDaily
- 22/11/8 20:29
Aerospace and mechanical engineers have developed a machine-learning assisted superfast new way to create high-performance, energy-saving thermoelectric devices.
There's room for improvement in a popular climate-smart agricultural practice
- ScienceDaily
- 22/11/8 20:29
Federal subsidies promote planting cover crops to store carbon in agricultural soils, among other benefits, but the approach as currently practiced can reduce yields in the U.S. Corn Belt, researchers find. Their analysis highlights the need to better implement the practice.
Researchers develop new machete technique to slice into cancer genome and study copy number alterations
- ScienceDaily
- 22/11/8 20:29
MACHETE is a new CRISPR-based technique developed to study large-scale genetic deletions efficiently in laboratory models.
No evidence that physical activity calorie-equivalent labelling changes food purchasing
- ScienceDaily
- 22/11/8 20:29
An experiment carried out across ten workplace cafeterias found no significant change in the overall number of calories purchased when food and drink labels showed the amount of physical activity required to burn off their calories.
A better understanding of how HIV-1 evades the immune system
- ScienceDaily
- 22/11/8 18:05
The type of virus used as a model to study the efficacy of non-neutralizing antibodies against the virus responsible for AIDS has a crucial role to play, according to a new study.
Sensing platform for studying in vitro vascular systems opens possibilities for drug testing
- ScienceDaily
- 22/11/8 18:05
The costliness of drug development and the limitations of studying physiological processes in the lab are two separate scientific issues that may share the same solution. Microphysical systems (MPSs) are in vitro platforms made up of cells in a microenvironment that closely mimics that found in the body, allowing scientists to recreate the conditions of tissues found within the body for both...
Neuronal mechanism involved in the learning of maternal behavior discovered
- ScienceDaily
- 22/11/8 18:05
Various conditions such as postpartum depression or postpartum psychosis can lead to an alteration in maternal behavior and disrupt the mother-child bonding process. A research team has conducted a study in which they were able to identify the neuronal circuits in the brain that are activated during the learning of maternal behavior. The findings can serve as a basis for developing therapeutic...
How breathing shapes our brain
- ScienceDaily
- 22/11/8 18:05
We breathe to survive. But a breath of fresh air does more than fill our lungs. New research indicates that breathing impacts our emotions, attention and how we can process the outside world.
Photocatalysis: Processes in charge separation recorded experimentally
- ScienceDaily
- 22/11/8 18:04
Certain metal oxides are considered good candidates for photocatalysts to produce green hydrogen with sunlight. A Chinese team has now published exciting results on copper(I) oxide particles in Nature, to which a method developed at HZB contributed significantly. Transient surface photovoltage spectroscopy showed that positive charge carriers on surfaces are trapped by defects in the course of...
Nobel Prize chemistry in a more sustainable version
- ScienceDaily
- 22/11/8 18:04
This year's Nobel Prize in Chemistry was awarded to the discoverers of click chemistry -- an invention used every day by chemists all over the world. This technique can now be carried out more sustainably, a researcher reports.
Faster and more efficient computer chips thanks to germanium
- ScienceDaily
- 22/11/8 18:04
Our current chip technology is largely based on silicon -- even though different materials such as silicon-germanium would have decisive advantages. The problem is that it is very hard to create clean contacts between silicon-germanium an metal. A new method has been found to create such contacts.
Researchers develop a material that mimics how the brain stores information
- ScienceDaily
- 22/11/8 18:04
Researchers have developed a magnetic material capable of imitating the way the brain stores information. The material makes it possible to emulate the synapses of neurons and mimic the learning that occurs during deep sleep.
Accelerating the development of effective psychological interventions
- ScienceDaily
- 22/11/8 18:04
The ever-growing burden of mental illness poses an increasing challenge for society, and the development of psychological interventions via the traditional route is simply unable to keep pace. A new method could this problem.
Researchers identify a molecular mechanism associated with juvenile Parkinson's
- ScienceDaily
- 22/11/8 18:04
Parkinson's disease affects 3% of population over 65 years old, and the average age of onset is 60. Regarding juvenile Parkinson, which represents the rest of all Parkison's cases, the disease begins before 40 years old. Now, a group of researchers has deciphered the molecular mechanism by which a mutation of the adenosine type 1 receptor gene is associated with juvenile Parkinson's.
COVID vaccination improves effectiveness of cancer treatment, study finds
- ScienceDaily
- 22/11/8 18:04
Patients with nasopharyngeal cancer are often treated with drugs that activate their immune system against the tumor. Until now, it was feared that vaccination against COVID-19 could reduce the success of cancer treatment or cause severe side effects. A recent study now gives the all-clear in this regard. According to the study, the cancer drugs actually worked better after vaccination with the...
Scientists reveal an unexpected gene in transparent worms
- ScienceDaily
- 22/11/8 18:04
Scientists reveal the homolog of a well-known human protein, Nucleolin, in the tiny, transparent roundworm, C. elegans. Nucleolin is linked to human neurodegenerative disease and cancer. The new research challenges recent theories of the role structures inside the nucleus may play in such disorders -- and surfaces a powerful new tool for studying the function of Nucleolin and how it does...