Science news from Science Daily

Science Daily logo

Science Daily logo

Science Daily is is an online source for topical science articles active since 1995. It features articles on a wide variety of science topics including: astronomy, exoplanets, computer science, nanotechnology, medicine, psychology, biology, geology, climate, space, physics, mathematics, chemistry, archeology, paleontology, and others.

All content is copyright Science Daily.

Latest Science News -- ScienceDaily



Last feed update: Tuesday January 19th, 2021 08:56:40 PM

Disease threatens to decimate western bats

Tuesday January 19th, 2021 07:02:07 PM
A four-year study concludes that the fungal disease, white-nose syndrome, poses a severe threat to many western North American bats.

Where do our minds wander? Brain waves can point the way

Tuesday January 19th, 2021 07:02:03 PM
Anyone who has tried and failed to meditate knows that our minds are rarely still. But where do they roam? New research has come up with a way to track the flow of our internal thought processes and signal whether our minds are focused, fixated or wandering.

A little friction goes a long way toward stronger nanotube fibers

Tuesday January 19th, 2021 05:21:20 PM
Carbon nanotube fibers are not nearly as strong as the nanotubes they contain, but researchers are working to close the gap with a computational model that shows nanotube length and the friction between them are equal contributors.

Scientists reveal structure of plants' energy generators

Tuesday January 19th, 2021 05:21:11 PM
Researchers have revealed the first atomic structures of the respiratory apparatus that plants use to generate energy.

Study identifies a nonhuman primate model that mimics severe COVID-19 similar to humans

Tuesday January 19th, 2021 05:21:09 PM
New research suggests that aged African green monkeys may be suitable models for the study of severe forms of COVID-19.

New carbon budget framework provides a clearer view of our climate deadlines

Tuesday January 19th, 2021 05:21:00 PM
Researchers present a new framework for calculating the remaining carbon budget that is able to generate a much narrower estimate and its uncertainty. The researchers estimate that between 230 and 440 billion more tonnes of CO2 from 2020 onwards can be emitted into the atmosphere and still provide a reasonable chance of limiting global warming to 1.5°C.

Tiny bubbles tell tales of big volcanic eruptions

Tuesday January 19th, 2021 05:20:58 PM
Microscopic bubbles can tell stories about Earth's biggest volcanic eruptions and geoscientists have discovered some of those stories are written in nanoparticles.

Light-induced twisting of Weyl nodes switches on giant electron current

Tuesday January 19th, 2021 05:20:48 PM
Scientists have discovered a new light-induced switch that twists the crystal lattice of the material, switching on a giant electron current that appears to be nearly dissipationless.

Study finds COVID-19 attack on brain, not lungs, triggers severe disease in mice

Tuesday January 19th, 2021 04:44:56 PM
Researchers have found that infecting the nasal passages of mice with the virus that causes COVID-19 led to a rapid, escalating attack on the brain that triggered severe illness, even after the lungs were successfully clearing themselves of the virus.

Mental health conditions alarmingly high among children with autism, study finds

Tuesday January 19th, 2021 04:43:58 PM
Nearly 78 per cent of children with autism have at least one mental health condition and nearly half have more than that, according to a new study. Mental health conditions were present in 44.8 per cent of pre-school age children with autism -- a group among which prevalence had not previously been established using a large, population-based sample. Only 14.1 per cent of children without autism (ages 3-17) had mental health conditions.

COVID-19 virus triggers antibodies from previous coronavirus infections, study finds

Tuesday January 19th, 2021 04:43:53 PM
Results from a new study suggest the immune systems of people infected with COVID-19 may rely on antibodies created during infections from earlier coronaviruses to help fight the disease.

Prenatal BPA exposure may contribute to the male bias of autism spectrum disorder

Tuesday January 19th, 2021 04:43:49 PM
Autism has a higher prevalence in males than females. Bisphenol A (BPA) is a common chemical found in plastics, our food, and even the human placenta. Higher prenatal exposure to BPA is thought to increase the risk of autism. Researchers have identified autism candidate genes that may be responsible for the sex-specific effects of BPA.

Solar activity reconstructed over a millennium

Tuesday January 19th, 2021 04:43:34 PM
An international team of researchers has reconstructed solar activity back to the year 969 using measurements of radioactive carbon in tree rings. Those results help scientists to better understand the dynamics of the sun and allow more precise dating of organic materials using the C14 method.

New method heals skeletal injuries with synthetic bone

Tuesday January 19th, 2021 04:43:32 PM
Researchers have developed a way of combining a bone substitute and drugs to regenerate bone and heal severe fractures in the thigh or shin bone. The study was conducted on rats, but the researchers think that the method in various combinations will soon be commonplace in clinical settings.

Genetic rewiring behind spectacular evolutionary explosion in East Africa

Tuesday January 19th, 2021 04:43:26 PM
Genetic rewiring could have driven an evolutionary explosion in the shapes, sizes and adaptations of cichlid fish, in East Africa's answer to Darwin's Galapagos finches.

A sea of rubbish: Ocean floor landfills

Tuesday January 19th, 2021 04:43:20 PM
The Messina Strait, a submarine bridge separating the island of Sicily from the Italian Peninsula, is the area with the largest marine litter density worldwide -- more than a million objects per square kilometre in some parts, according to a new review paper.

Drinking during COVID-19 up among people with anxiety and depression

Tuesday January 19th, 2021 04:32:15 PM
People with anxiety and depression are more likely to report an increase in drinking during the COVID-19 pandemic than those without mental health issues, according to a new study.

50 million-year-old fossil assassin bug has unusually well-preserved genitalia

Tuesday January 19th, 2021 03:28:59 PM
The fossilized insect is tiny and its genital capsule, called a pygophore, is roughly the length of a grain of rice. It is remarkable, scientists say, because the bug's physical characteristics -- from the bold banding pattern on its legs to the internal features of its genitalia -- are clearly visible and well-preserved. Recovered from the Green River Formation in present-day Colorado, the fossil represents a new genus and species of predatory insects known as assassin bugs.

Gene-editing 'scissor' tool may also be a 'dimmer switch'

Tuesday January 19th, 2021 03:28:55 PM
In a series of experiments with laboratory-cultured bacteria, scientists have found evidence that there is a second role for the widely used gene-cutting system CRISPR-Cas9 -- as a genetic dimmer switch for CRISPR-Cas9 genes.

One-dimensional quantum nanowires fertile ground for Majorana zero modes

Tuesday January 19th, 2021 03:28:52 PM
One-dimensional quantum 'nanowires' - which have length, but no width or height - provide a unique environment for the formation and detection of a quasiparticle known as a Majorana zero mode, which are their own antimatter particle. A new advance in detection of these exotic quasiparticles has potential applications in fault-resistant topological quantum computers, and topological superconductivity.

A biological strategy reveals how efficient brain circuitry develops spontaneously

Tuesday January 19th, 2021 03:28:49 PM
Researchers have explained how the regularly structured topographic maps in the visual cortex of the brain could arise spontaneously to efficiently process visual information. This research provides a new framework for understanding functional architectures in the visual cortex during early developmental stages.

Bio-inspired: How lobsters can help make stronger 3D printed concrete

Tuesday January 19th, 2021 03:28:46 PM
New research addresses some of the technical issues that still need to be solved for 3D printed concrete to be strong enough for use in more free-form structures. Researchers found lobster-inspired printing patterns can make 3DCP stronger and help direct the strength where it's needed. And combining the patterns with a concrete mix enhanced with steel fibers can deliver a material that's stronger than traditionally-made concrete.

Research establishes antibiotic potential for cannabis molecule

Tuesday January 19th, 2021 03:28:42 PM
The main nonpsychoactive component of cannabis has been shown to kill the bacteria responsible for gonorrhoea, meningitis and legionnaires disease, which could lead to the first new class of antibiotics for resistant bacteria in 60 years.

Eye tests predict Parkinson's-linked cognitive decline 18 months ahead

Tuesday January 19th, 2021 03:28:37 PM
Simple vision tests can predict which people with Parkinson's disease will develop cognitive impairment and possible dementia 18 months later, according to a new study. In a related study, the researchers also found that structural and functional connections of brain regions become decoupled throughout the entire brain in people with Parkinson's disease, particularly among people with vision problems.

How short circuits in lithium metal batteries can be prevented

Tuesday January 19th, 2021 03:28:35 PM
There are high hopes for the next generation of high energy-density lithium metal batteries, but before they can be used in our vehicles, there are crucial problems to solve. An international research team has now developed concrete guidelines for how the batteries should be charged and operated, maximizing efficiency while minimizing the risk of short circuits.

Dinosaur-era sea lizard had teeth like a shark

Tuesday January 19th, 2021 03:28:31 PM
New study identifies a bizarre new species suggesting that giant marine lizards thrived before the asteroid wiped them out 66 million years ago.

Clumsy kids can be fit too

Tuesday January 19th, 2021 03:28:20 PM
Clumsy kids can be as aerobically fit as their peers with better motor skills, a new study shows.

Money matters to happiness--perhaps more than previously thought

Tuesday January 19th, 2021 01:52:49 PM
Money matters to happiness, perhaps more so than previously thought, according to new research. One potential reason: Higher earners feel an increased sense of control over life. 'Across decisions big and small, having more money gives a person more choices and a greater sense of autonomy,' he says.

New tool removes chemotherapy drugs from water systems

Tuesday January 19th, 2021 01:52:40 PM
'What goes in, must come out' is a familiar refrain. It is especially pertinent to the challenges facing researchers who are investigating methods to remove chemicals and pharmaceuticals from public water systems. Cleaning products, organic dyes and pharmaceuticals are finding their ways into water bodies with wide-ranging negative implications to health and the environment, a mechanical engineer explains.

New approach emerges to better classify, treat brain tumors

Tuesday January 19th, 2021 01:52:24 PM
A look at RNA tells us what our genes are telling our cells to do, and scientists say looking directly at the RNA of brain tumor cells appears to provide objective, efficient evidence to better classify a tumor and the most effective treatments.

Childhood neglect leaves generational imprint

Tuesday January 19th, 2021 01:52:22 PM
Early life experiences can have an outsized effect on brain development and neurobiological health. New research is showing that those effects can be passed down to subsequent generations, reporting that the infant children of mothers who had experienced childhood emotional neglect displayed altered brain circuitry involved in fear responses and anxiety.

Fried food intake linked to heightened serious heart disease and stroke risk

Tuesday January 19th, 2021 03:57:21 AM
Fried-food intake is linked to a heightened risk of major heart disease and stroke, finds a pooled analysis of the available research data.

Successive governments' approach to obesity policies has destined them to fail

Tuesday January 19th, 2021 03:57:13 AM
Government obesity policies in England over the past three decades have largely failed because of problems with implementation, lack of learning from past successes or failures, and a reliance on trying to persuade individuals to change their behavior rather than tackling unhealthy environments.

Simple, cheap test can help save lives from colorectal cancer, study shows

Tuesday January 19th, 2021 03:57:10 AM
New research has demonstrated that a simple, cheap test can help identify who is at risk of developing colorectal cancer, aiding early diagnosis and potentially saving lives.

Where COVID-19 hit hardest, sudden deaths outside the hospital increased, study finds

Monday January 18th, 2021 04:31:34 PM
A study across New York City found that out-of-hospital sudden deaths follow the geographic distribution of SARS-CoV-2, suggesting an association between the two, investigators report.

A new archaeology for the Anthropocene era

Monday January 18th, 2021 04:31:32 PM
Scantily clad tomb raiders and cloistered scholars piecing together old pots -- these are the kinds of stereotypes of archaeology that dominate public perception. Yet archaeology in the new millennium is a world away from these images. In a major new report, researchers probe a thoroughly modern and scientific discipline to understand how it is helping to address the considerable challenges of the Anthropocene.

Climate change will alter the position of the Earth's tropical rain belt

Monday January 18th, 2021 04:31:29 PM
Researchers describe future changes to the tropical rain belt with expected climate change. The changes will cause droughts in large sections of the globe, threatening biodiversity and food security.

Inexpensive battery charges rapidly for electric vehicles, reduces range anxiety

Monday January 18th, 2021 04:31:26 PM
Range anxiety, the fear of running out of power before being able to recharge an electric vehicle, may be a thing of the past, according to a team of engineers who are looking at lithium iron phosphate batteries that have a range of 250 miles with the ability to charge in 10 minutes.

A 'super-puff' planet like no other

Monday January 18th, 2021 04:31:24 PM
Astronomers discover that the core mass of exoplanet WASP-107b is much lower than previously thought possible for a gas-giant planet.

Personalized brain stimulation alleviates severe depression symptoms

Monday January 18th, 2021 04:31:20 PM
Targeted neuromodulation tailored to individual patients' distinctive symptoms is an increasingly common way of correcting misfiring brain circuits in people with epilepsy or Parkinson's disease. Now, scientists have demonstrated a novel personalized neuromodulation approach that -- at least in one patient -- was able to provide relief from symptoms of severe treatment-resistant depression within minutes.

New management approach can help avoid species vulnerability or extinction

Monday January 18th, 2021 04:31:17 PM
Research focuses on transient nature of species' and ecosystem stability; illustrates how prepare for possible flips.

New discovery in breast cancer treatment

Monday January 18th, 2021 04:31:15 PM
Researchers have found new evidence about the positive role of androgens in breast cancer treatment with immediate implications for women with estrogen receptor-driven metastatic disease.

Low-carbon policies can be 'balanced' to benefit small firms and average households

Monday January 18th, 2021 04:31:12 PM
A review of ten types of policy used to reduce carbon suggests that some costs fall on those less able to bear them - but it also shows these policies can form the bedrock of a 'green recovery' if specifically designed and used in tandem.

Synthesis of potent antibiotic follows unusual chemical pathway

Monday January 18th, 2021 04:31:04 PM
Images of a protein involved in creating a potent antibiotic reveal the unusual first steps of the antibiotic's synthesis. The improved understanding of the chemistry behind this process could allow researchers to adapt this and similar compounds for use in human medicine.

New computational tool reliably differentiates between cancer and normal cells from single-cell RNA-sequencing data

Monday January 18th, 2021 04:30:40 PM
Researchers have developed a new computational tool to accurately differentiate between cancer cells and normal cells when analyzing large single-cell RNA-sequencing data.

Students returning home may have caused 9,400 secondary COVID-19 infections across UK

Monday January 18th, 2021 03:35:06 PM
A new statistical model suggests that an infected student returning home for Christmas would, on average, have infected just less than one other household member.

Many parents say teens with anxiety, depression may benefit from peer confidants at school

Monday January 18th, 2021 03:34:58 PM
Three-quarters of parents in a new national poll think peers better understand teen challenges, compared to teachers or counselors in the school.

Eliminating microplastics in wastewater directly at the source

Monday January 18th, 2021 03:34:56 PM
A research team has developed a process for the electrolytic treatment of wastewater that degrades microplastics at the source.

Scientists reveal mechanism that causes irritable bowel syndrome

Sunday January 17th, 2021 06:22:38 PM
Researchers have identified the biological mechanism that explains why some people experience abdominal pain when they eat certain foods. The finding paves the way for more efficient treatment of irritable bowel syndrome and other food intolerances. The study was carried out in mice and humans.

One small alcoholic drink a day is linked to an increased risk of atrial fibrillation

Sunday January 17th, 2021 06:22:31 PM
A study of nearly 108,000 people has found that people who regularly drink a modest amount of alcohol are at increased risk of atrial fibrillation, a condition where the heart beats in an abnormal rhythm. The study found that, compared to drinking no alcohol at all, just one alcoholic drink a day was linked to a 16% increased risk of atrial fibrillation over an average follow-up time of nearly 14 years.

Rapid blood test identifies COVID-19 patients at high risk of severe disease

Sunday January 17th, 2021 06:22:27 PM
Scientists have shown that a relatively simple and rapid blood test can predict which patients with COVID-19 are at highest risk of severe complications or death. The blood test measures levels of mitochondrial DNA, which normally resides inside the energy factories of cells. Mitochondrial DNA spilling out of cells and into the bloodstream is a sign that a particular type of violent cell death is taking place in the body.

COVID-19 pandemic in Brazil has overwhelmed its health systems, analysis shows

Sunday January 17th, 2021 06:22:23 PM
An analysis of the first 250,000 patients admitted to hospital with coronavirus reveals a high mortality and inequities in the quality of healthcare across regions.

Scientists offer road map to improve environmental observations in the Indian Ocean

Friday January 15th, 2021 09:33:50 PM
A group of more than 60 scientists have provided recommendations to improve the Indian Ocean Observing System (IndOOS), a basin-wide monitoring system to better understand the impacts of human-caused climate change in a region that has been warming faster than any other ocean.

Glass frogs living near roaring waterfalls wave hello to attract mates

Friday January 15th, 2021 08:53:38 PM
A conservationist has discovered that the glass frog Sachatamia orejuela can be added to the list of species that make use of visual cues in response to their acoustic environments. This is the first time a member of the glass frog family (Centrolenidae) has been observed using visual communication in this manner.

Conductive nature in crystal structures revealed at magnification of 10 million times

Friday January 15th, 2021 08:53:23 PM
In groundbreaking materials research, a team has made a discovery that blends the best of two sought-after qualities for touchscreens and smart windows -- transparency and conductivity.

Tool to distribute limited vaccines equitably

Friday January 15th, 2021 06:53:02 PM
Researchers have developed a tool that incorporates a person's age and socioeconomic status to prioritize vaccine distribution among people who otherwise share similar risks due to their jobs.

Scientists identify nutrient that helps prevent bacterial infection

Friday January 15th, 2021 06:53:00 PM
Scientists studying the body's natural defenses against bacterial infection have identified a nutrient -- taurine -- that helps the gut recall prior infections and kill invading bacteria, such as Klebsiella pneumoniae (Kpn). The finding could aid efforts seeking alternatives to antibiotics.

Controlling chemical catalysts with sculpted light

Friday January 15th, 2021 06:52:56 PM
Using state-of-the-art fabrication and imaging, researchers watched the consequences of adding sculpted light to a catalyst during a chemical transformation. This work could inform more efficient -- and potentially new -- forms of catalysis.

RNA's mysterious folding process

Friday January 15th, 2021 04:52:47 PM
Using data from RNA-folding experiments, the researchers generated the first-ever data-driven movies of how RNA folds as it is made by cellular machinery. By watching their videos of this folding occur, the researchers discovered that RNA often folds in surprising, perhaps unintuitive ways, such as tying itself into knots.

Target discovered that halts osteoarthritis-type knee cartilage degeneration

Friday January 15th, 2021 04:52:44 PM
In a mouse study, researchers used nanotechnology and previous knowledge of a protein pathway to significantly reduce knee cartilage degeneration and pain.






Feed aggregation powered by Syndicate Press.
Processed request in 0.00643 seconds.