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24 articles from ScienceDaily
Imaging single spine structural plasticity at the nanoscale level
- ScienceDaily
- 21/9/3 21:11
Researchers have developed a new imaging technique capable of visualizing the dynamically changing structure of dendritic spines with unprecedented resolution. By combining two cutting-edge types of microscopies, scientists now have the tools necessary to unravel the ultrastructural complexities of spines during the process of synaptic plasticity.
Gut bacteria influence brain development
- ScienceDaily
- 21/9/3 19:26
Extremely premature infants are at a high risk for brain damage. Researchers have now found possible targets for the early treatment of such damage outside the brain: Bacteria in the gut of premature infants may play a key role. The research team found that the overgrowth of the gastrointestinal tract with the bacterium Klebsiella is associated with an increased presence of certain immune cells...
Severe infections during pregnancy associated with complications around childbirth
- ScienceDaily
- 21/9/3 19:26
Individuals who are hospitalized during pregnancy due to sepsis have higher odds of complications surrounding childbirth, according to a new study. The study found that pregnancies complicated by sepsis were associated with an increased risk of cesarean delivery, postpartum hemorrhage and preterm delivery, highlighting the risk of any severe infection during pregnancy.
Linking humans with blue carbon ecosystems
- ScienceDaily
- 21/9/3 19:26
Social vulnerabilities of coastal communities and their reliance on blue carbon ecosystem services may be improved by addressing three major factors, according to a new study.
Global warming threatens the existence of an Arctic oasis
- ScienceDaily
- 21/9/3 19:26
The most significant Arctic oasis is susceptible to climate change -- researchers say that global warming is threatening the region's ecosystem, and predict that the oasis will cease to exist.
Identification of plant-parasitic nematode attractant
- ScienceDaily
- 21/9/3 19:26
Scientists have purified and identified an attractant for crop-infecting root-knot nematodes from flaxseeds. Their experiments revealed that rhamnogalacturonan-I (RG-I), a flaxseed cell wall component, can attract root-knot nematodes. The linkages between rhamnose and L-galactose are essential for the attraction.
Predicting possible Alzheimer’s with nearly 100 percent accuracy
- ScienceDaily
- 21/9/3 19:26
Researchers have developed a deep learning-based method that can predict the possible onset of Alzheimer's disease from brain images with an accuracy of over 99 percent. The method was developed while analyzing functional MRI images obtained from 138 subjects and performed better in terms of accuracy, sensitivity and specificity than previously developed methods.
Researchers find a way to check that quantum computers return accurate answers
- ScienceDaily
- 21/9/3 19:26
Quantum computers become ever more powerful, but how can we be sure that the answers they return are accurate? A team of physicists solves this problem by letting quantum computers check each other's work.
Statistical model defines ketamine anesthesia’s effects on the brain
- ScienceDaily
- 21/9/3 19:26
Neuroscientists have developed a statistical framework that rigorously describes the brain state changes that patients experience under ketamine-induced anesthesia.
Tiger sharks have social preferences for one another
- ScienceDaily
- 21/9/3 19:26
Scientists have found that tiger sharks, often considered a solitary nomadic species, are social creatures, having preferences for one another.
Subscription-based payment models may improve access to hepatitis C medications
- ScienceDaily
- 21/9/3 19:26
Subscription-based payment models (SBPM), a novel approach in which states contract exclusively with a single manufacturer to supply prescriptions at a reduced price, could increase access to these life-saving treatments, according to a new study. In a SBPM, states pay reduced per prescription prices for medications until a certain utilization threshold. After this threshold, the cost of...
New model for solving novel problems uses mental map
- ScienceDaily
- 21/9/3 19:26
How do we make decisions about a situation we have not encountered before? New work shows that we can solve abstract problems in the same way that we can find a novel route between two known locations -- by using an internal cognitive map.
Researchers identify the biosynthesis of carthamin, the historic red colorant in safflowers
- ScienceDaily
- 21/9/3 19:26
Carthamin's usage as dye dates back to ancient Egypt. But scientists only discovered its chemical structure in 2019. Now, a group of researchers has identified the genes required for the biosynthesis of carthamin.
Analyzing successful Judo throws
- ScienceDaily
- 21/9/3 19:26
Researchers use statistical methods on video data to quantitatively determine the biomechanical techniques correlated with successful judo throws. This work may assist in developing supervised or self-guided training routines.
The first cells might have used temperature to divide
- ScienceDaily
- 21/9/3 19:25
A simple mechanism could underlie the growth and self-replication of protocells -- putative ancestors of modern living cells -- suggests a new study. Protocells are vesicles bounded by a membrane bilayer and are potentially similar to the first unicellular common ancestor (FUCA). On the basis of relatively simple mathematical principles, the proposed model suggests that the main force driving...
Engineered ‘mini’ CRISPR genome editing system developed
- ScienceDaily
- 21/9/3 19:25
Bioengineers have repurposed a 'non-working' CRISPR system to make a smaller version of the genome engineering tool. Its diminutive size should make it easier to deliver into human cells, tissues and the body for gene therapy.
Secret garden: Drug-resistant pathogen strains meet and evolve on plant bulbs
- ScienceDaily
- 21/9/3 15:53
Researchers have found that drug-resistant strains of a potentially deadly fungus isolated from a tulip bulb showed evidence of genetic recombination and fungicide resistance. The team revealed that plant bulbs provide a place for strains of the human pathogen Aspergillus fumigatus, which can cause highly lethal fungal infections, to evolve drug resistance.
Wired for efficiency: How methanogenic microbes manage electrons
- ScienceDaily
- 21/9/3 15:53
A specialized enzyme machinery enables methanogenic microorganisms to thrive under extreme energy limitation.
Stem-like T cells could aid immunotherapy in cancer treatment
- ScienceDaily
- 21/9/3 15:53
Researchers show stem-like T cells within certain lymph nodes could be natural cancer fighters.
Making methane from CO2: Carbon capture grows more affordable
- ScienceDaily
- 21/9/3 15:53
Researchers can make methane from captured CO2 and renewably sourced hydrogen, offering a path toward cheaper synthetic natural gas.
Gut and heart signals affect how we see ourselves
- ScienceDaily
- 21/9/3 14:59
Research has discovered that the strength of the connection between our brain and internal organs is linked to how we feel about our appearance. The study has investigated the association between body image and the brain's processing of internal signals that occur unconsciously. It found that adults whose brains are less efficient at detecting these internal messages are more likely to experience...
Drug cocktail reduces aging-associated disc degeneration
- ScienceDaily
- 21/9/3 14:59
Therapies that target aging cells early pave the way to easing back pain.
Threat of catastrophic supervolcano eruptions is ever-present
- ScienceDaily
- 21/9/3 14:59
Scientists have studied an ancient supervolcano in Indonesia and found such volcanoes remain active and hazardous for thousands of years after a super-eruption, prompting the need for a rethink of how these potentially catastrophic events are predicted.
Epilepsy brain implant does not transform patients’ sense of self or personality but offers them new insights into illness, study shows
- ScienceDaily
- 21/9/3 01:16
A next-generation brain implant currently in clinical use for treating refractory epilepsy -- to help prevent symptoms including seizures -- does not induce changes to patients' personalities or self-perceptions, a new study of patient experiences shows.