Science and Technology

Molecular bridge mediates inhibitory synapse specificity in the cortex

Science Daily - 15/07/2021
Researchers have discovered that the cell adhesion protein IgSF11 determines the layer-specific synaptic connectivity of a distinct class of cortical interneurons.

Fire operations-prescribed burning combo reduces wildfire severity up to 72%

Science Daily - 15/07/2021
Firefighters battling wildfires in the western United States use a variety of suppression tactics to get the flames under control. Prescribed burns, or controlled fires intentionally set to clear shrubs and forest litter before a wildfire ever ignites, can make fire suppression operations almost three times as effective in limiting wildfire severity, according to a new study.

Disparities of climate change mapped

Science Daily - 15/07/2021
New research illustrates the disparity between the narrow origins and far-reaching impacts of greenhouse emissions responsible for disrupting the global climate system.

Melanoma of the eye: Preclinical tests show path toward treatment

Science Daily - 14/07/2021
A preclinical study offers hope for treatment of uveal melanoma, a rare and deadly cancer of the eye. A small molecule inhibitor has been identified that dampens the potent drivers of this tumor. In mouse models, the inhibitor strongly limited primary disease in the eye and metastatic tumor dissemination to the liver, and animals survived longer, without overt side effects.

Scientists provide a more strategic approach to COVID-19 testing

Science Daily - 14/07/2021
With few additional targeted tests and non-invasive surveys, public health agencies can better estimate disease occurrence and trends, changes in transmission, rates of hospitalization and death and effectiveness of vaccines and other control measures.

Newfound human brain cell type helps center people in mental maps

Science Daily - 14/07/2021
A previously unknown kind of human brain cell appears to help people center themselves in their personal maps of the world, according to a new study from neuroscientists. This discovery shed light on the cellular mechanisms underlying navigation and memory in humans, as well as what parts of the brain might get disrupted during the kinds of memory impairments common in neurodegenerative diseases such as Alzheimer's.

Quantum movements of small glass sphere controlled

Science Daily - 14/07/2021
The quantum movements of a small glass sphere could be controlled for the first time in Vienna by combining microscopy with control engineering, setting the course for future quantum technologies.

Scientists find way to navigate a heavy uphill climb

Science Daily - 14/07/2021
A team of scientists has uncovered how heavy, motorized objects climb steep slopes -- a newly discovered mechanism that also mimics how rock climbers navigate inclines.

Antidepressants may improve outcomes in people with diabetes and depression

Science Daily - 14/07/2021
People with diabetes and depression who take antidepressants may have a lower risk of death and of serious diabetes complications, according to a new study.

Brain organoid study highlights potential role of genetic and environmental interaction in autism spectrum disorder

Science Daily - 14/07/2021
Researchers have shown in a brain organoid study that exposure to a common pesticide synergizes with a frequent autism-linked gene mutation.

How climate change and fires are shaping the forests of the future

Science Daily - 14/07/2021
As temperatures rise, the risk of devastating forest fires is increasing. Researchers are using artificial intelligence to estimate the long-term impact that an increased number of forest fires will have on forest ecosystems. Their simulations show how Yellowstone National Park in the USA could change by the end of the century.

Short chain fatty acids: An 'ace in the hole' against SARS-CoV-2 infection

Science Daily - 14/07/2021
Scientists find that short chain fatty acids can be used to reduce susceptibility to SARS-CoV-2 infection and mortality from COVID-19.

No more cone? Psychology researchers offer better tool for visualizing hurricane danger

Science Daily - 14/07/2021
Researchers are working on an easily understood, science-backed way to visually represent hurricane danger to the general public. They contend that the cone of uncertainty creates a false sense of security for people who live outside the boundary of the cone and that there are better ways to signal likely impacts.

New spray could someday help heal damage after a heart attack

Science Daily - 14/07/2021
Heart attack, or myocardial infarction, is one of the leading causes of death worldwide. Although modern surgical techniques, diagnostics and medications have greatly improved early survival from these events, many patients struggle with the long-term effects of permanently damaged tissue, and the 5-year mortality rate remains high. Now, researchers have developed a minimally invasive exosome spray that helped repair rat hearts after myocardial infarction.

Trust me, I'm a chatbot

Science Daily - 14/07/2021
More and more companies are using chatbots in customer services. Due to advances in artificial intelligence and natural language processing, chatbots are often indistinguishable from humans when it comes to communication. But should companies tell customers they are communicating with machines and not with humans? Researchers investigated. Their research found that consumers tend to react negatively when they learn that the person they are talking to is, in fact, a chatbot.

Electroconvulsive therapy linked to longer hospital stays, increased costs

Science Daily - 14/07/2021
Electroconvulsive therapy, which may be effective at lowering long-term risks of suicide and death among patients with certain mood disorders, may result in longer hospital stays and increased health care costs, according to researchers. They said delivering the therapy in outpatient settings may make the treatment more cost-effective.

Scientists identify new gut-liver drug recycling process

Science Daily - 14/07/2021
A team of pharmaceutical researchers is reporting a newly recognized process of drug metabolism in the intestines - followed by recycling through the liver - that could have important implications for developing treatments for intestinal diseases and for taking multiple medications at the same time.

Detecting wildlife illness and death with new early alert system

Science Daily - 14/07/2021
A new early detection surveillance system for wildlife helps identify unusual patterns of illness and death in near real-time by tapping into data from wildlife rehabilitation organizations across California, explains a new study.

Small molecule plays outsize role in controlling nanoparticle

Science Daily - 14/07/2021
A breakthrough imaging technique has enabled researchers to gain new insights into how tiny ligands bind to the surface of nanoparticles and change a particle's shape.

The hidden culprit killing lithium-metal batteries from the inside

Science Daily - 14/07/2021
The first nanoscale images ever taken inside intact, lithium-metal coin batteries (also called button cells or watch batteries) challenge prevailing theories and could help make future high-performance batteries, such as for electric vehicles, safer, more powerful and longer lasting.

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