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167,797 articles from ScienceDaily
Tanks of the Triassic: New crocodile ancestor identified
- ScienceDaily
- 24/3/18 21:45
Dinosaurs get all the glory. But aetosaurs, a heavily armored cousin of modern crocodiles, ruled the world before dinosaurs did. These tanks of the Triassic came in a variety of shapes and sizes before going extinct around 200 million years ago. Today, their fossils are found on every continent except Antarctica and Australia.
Backyard insect inspires invisibility devices, next gen tech
- ScienceDaily
- 24/3/18 21:45
Leafhoppers, a common backyard insect, secrete and coat themselves in tiny mysterious particles that could provide both the inspiration and the instructions for next-generation technology, according to a new study. In a first, the team precisely replicated the complex geometry of these particles, called brochosomes, and elucidated a better understanding of how they absorb both visible and...
Two artificial intelligences talk to each other
- ScienceDaily
- 24/3/18 19:24
Performing a new task based solely on verbal or written instructions, and then describing it to others so that they can reproduce it, is a cornerstone of human communication that still resists artificial intelligence (AI). A team has succeeded in modelling an artificial neural network capable of this cognitive prowess. After learning and performing a series of basic tasks, this AI was able to...
Holographic message encoded in simple plastic
- ScienceDaily
- 24/3/18 19:23
Important data can be stored and concealed quite easily in ordinary plastic using 3D printers and terahertz radiation, scientists show. Holography can be done quite easily: A 3D printer can be used to produce a panel from normal plastic in which a QR code can be stored, for example. The message is read using terahertz rays -- electromagnetic radiation that is invisible to the human eye.
Breathe, don't vent: Turning down the heat is key to managing anger
- ScienceDaily
- 24/3/18 19:23
Venting about a source of anger might feel good in the moment, but it's not effective at reducing the rage, new research suggests. Instead, techniques often used to address stress -- deep breathing, mindfulness, meditation, yoga or even counting to 10 -- have been shown to be more effective at decreasing anger and aggression.
Feeling apathetic? There may be hope
- ScienceDaily
- 24/3/18 19:23
A new method that aims to help people develop grit looks promising.
Self-heating concrete is one step closer to putting snow shovels and salt out of business
- ScienceDaily
- 24/3/18 19:22
Researchers recently reported on the science behind its special concrete, that can warm itself up when it snows, or as temperatures approach freezing.
FRIDAY 15. MARCH 2024
Speaking without vocal cords, thanks to a new AI-assisted wearable device
- ScienceDaily
- 24/3/15 21:10
Bioengineers have invented a thin, flexible device that adheres to the neck and translates the muscle movements of the larynx into audible speech. The device is trained through machine learning to recognize which muscle movements correspond to which words. The self-powered technology could serve as a non-invasive tool for people who have lost the ability to speak due to vocal cord problems.
Fatty food before surgery may impair memory in old, young adults
- ScienceDaily
- 24/3/15 21:10
Eating fatty food in the days leading up to surgery may prompt a heightened inflammatory response in the brain that interferes for weeks with memory-related cognitive function in older adults -- and, new research in animals suggests, even in young adults.
Oregon State researchers take deep dive into how much water is stored in snow
- ScienceDaily
- 24/3/15 21:10
There's a new metric that provides a more holistic look at how much water is stored in snowpack, and for how long.
'Noisy' roundworm brains give rise to individuality
- ScienceDaily
- 24/3/15 21:10
Research has demonstrated individual differences in and successfully extracted commonalities from the whole-brain activity of roundworms. The researchers also found that computer simulations based on the whole-brain activity of roundworms more accurately reflect real-brain activity when they include so-called 'noise,' or probabilistic elements.
Gut bacteria make neurotransmitters to shape the newborn immune system
- ScienceDaily
- 24/3/15 21:10
Investigators discovered that unique bacteria colonize the gut shortly after birth and make the neurotransmitter serotonin to educate gut immune cells. This prevents allergic reactions to food and the bacteria themselves during early development.
Why killer T cells lose energy inside of solid tumors
- ScienceDaily
- 24/3/15 21:10
Researchers have discovered the reason why immune cells lose energy when they enter the solid tumor microenvironment -- and how to restore their energy levels. A metabolic enzyme, called Acetyl-CoA carboxylase, has been identified as the culprit, for it causes T cells to store fat, rather than burning fat for energy.
Even inactive smokers are densely colonized by microbial communities
- ScienceDaily
- 24/3/15 21:09
Everything is everywhere -- under certain conditions microbial communities can grow and thrive, even in places that are seemingly uninhabitable. This is the case at inactive hydrothermal vents on the sea floor. An international team is presently working to accurately quantify how much inorganic carbon can be bound in these environments.
Meteorology: Weak polar vortex makes weather more predictable
- ScienceDaily
- 24/3/15 21:09
Events in the stratosphere are making long-range weather in Northern Europe easier to forecast, researchers have discovered.
Breakthrough in ultraviolet spectroscopy
- ScienceDaily
- 24/3/15 21:09
Physicists achieve major leap in precision and accuracy at extremely low light levels.
Arctic nightlife: Seabird colony bursts with sound at night
- ScienceDaily
- 24/3/15 21:09
Acoustic recordings of a colony of little auks reveal their nocturnal activities and offer valuable monitoring means for avian biology in the Arctic.
Revolutionary method developed for mass-producing polymer solid electrolytes
- ScienceDaily
- 24/3/15 21:09
Scientists have unveiled a groundbreaking technique for mass-producing polymer solid electrolytes, crucial components in batteries.
New research suggests that our universe has no dark matter
- ScienceDaily
- 24/3/15 21:09
A new study challenges the current model of the universe by showing that, in fact, it has no room for dark matter.
Protein fragments ID two new 'extremophile' microbes--and may help find alien life
- ScienceDaily
- 24/3/15 21:09
Perfectly adapted microorganisms live in extreme environments from deep-sea trenches to mountaintops. Learning more about how these extremophiles survive in hostile conditions could inform scientists about life on Earth and potential life on other planets.
Plasma oscillations propel breakthroughs in fusion energy
- ScienceDaily
- 24/3/15 21:09
Researchers have discovered a new class of plasma oscillations -- the back-and-forth, wave-like movement of electrons and ions. The research paves the way for improved particle accelerators and commercial fusion energy.
Shark-bitten orcas in the Northeastern Pacific could be a new population of killer whale
- ScienceDaily
- 24/3/15 21:09
Researchers believe a group of killer whales observed hunting marine mammals including sperm whales, as well as a sea turtle, in the open ocean off California and Oregon could be a new population. Based on available evidence, the researchers posit that the 49 orcas could belong to a subpopulation of transient killer whales or a unique oceanic population found in waters off the coast of California...
How the brain translates motivation into goal-oriented behavior, according to new study
- ScienceDaily
- 24/3/15 21:08
Hunger can drive a motivational state that leads an animal to a successful pursuit of a goal -- foraging for and finding food. In a highly novel study, researchers describe how two major neuronal subpopulations in a part of the brain's thalamus called the paraventricular nucleus participate in the dynamic regulation of goal pursuits. This research provides insight into the mechanisms by which the...
Breakthrough could make automated dosing systems universal
- ScienceDaily
- 24/3/15 21:03
Automated insulin dosing systems combine low-cost blood-glucose monitors with insulin pumps that use precision dosing to continuously regulate blood-sugar and hold it steady. Synthetic biologists have found a way to piggyback on the technology and make it universally applicable for the precision dosing of virtually any drug.
Groundbreaking study reveals extensive leatherback turtle activity along U.S. coastline
- ScienceDaily
- 24/3/15 21:03
A new study provides groundbreaking findings that offer insights on the migration and foraging patterns of leatherback sea turtles along the Northwest Atlantic shelf.
A theory linking ignition with flame provides roadmap to better combustion engines
- ScienceDaily
- 24/3/15 03:21
Researchers have theoretically linked ignition and deflagration in a combustion system, unlocking new configurations for stable, efficient combustion engines due to the possible existence of any number of steady-state solutions.
Study of long-term student engagement challenges 'one great teacher' narrative of education
- ScienceDaily
- 24/3/15 01:07
A positive relationship with a teacher at an early age may help children to feel more engaged with school, but not necessarily in the long term, new research shows. A new study of more than 3,600 young people in Australia shows that their 'school engagement' -- their interest in school and willingness to learn -- fluctuates between ages eight and 15, especially during the transition between...
THURSDAY 14. MARCH 2024
Diverse habitats help salmon weather unpredictable climate changes
- ScienceDaily
- 24/3/14 22:15
Restored salmon habitat should resemble financial portfolios, offering fish diverse options for feeding and survival so that they can weather various conditions as the climate changes, a new study shows.
Therapy using intense light and chronological time can benefit heart
- ScienceDaily
- 24/3/14 22:14
Managing circadian rhythms through intense light and chronologically timed therapy can help prevent or treat a variety of circulatory system conditions including heart disease, according to a new study.
Researchers prove fundamental limits of electromagnetic energy absorption
- ScienceDaily
- 24/3/14 22:14
Electrical engineers have determined the theoretical fundamental limit for how much electromagnetic energy a transparent material with a given thickness can absorb. The finding will help engineers optimize devices designed to block certain frequencies of radiation while allowing others to pass through, for applications such as stealth or wireless communications.
Infections from these bacteria are on the rise: New blood test cuts diagnosis time from months to hours
- ScienceDaily
- 24/3/14 22:14
Researchers have designed a platform to perform blood-based diagnoses of nontuberculosis mycobacteria, simplifying and shortening a long-complicated procedure from 6 months to 2 hours. Rapid, accurate diagnosis has never been more important as cases of NTM infections have continued to increase annually, spreading from subtropical regions to more temperate zones in part due to global climate...
A pioneering way to target the culprit behind a deadly liver cancer
- ScienceDaily
- 24/3/14 19:53
Researchers have translated a cutting-edge tactic for treating genetic disorders into a fresh approach for potentially stymying cancer.
New study on mating behaviors offers clues into the evolution of attraction
- ScienceDaily
- 24/3/14 19:53
In examining the mating rituals of roundworms, researchers uncovered a unique approach to reproduction that maximizes genetic fitness.
New study shows analog computing can solve complex equations and use far less energy
- ScienceDaily
- 24/3/14 19:53
A team of engineers has proven that their analog computing device, called a memristor, can complete complex, scientific computing tasks while bypassing the limitations of digital computing.
FRYL gene variants linked to a new neurological disorder
- ScienceDaily
- 24/3/14 19:53
A recent study links the FRYL gene to a new neurodevelopmental disorder in humans. They used fruit flies to establish that the loss of a functional copy of the FRY-like transcription coactivator (FRYL) gene is the underlying cause of this new disorder in fourteen individuals.
Vac to the future
- ScienceDaily
- 24/3/14 19:53
Scientists recently published the results of a competition that put researchers to the test. For the competition, part of the NIH-funded Computational Models of Immunity network, teams of researchers from different institutions offered up their best predictions regarding B. pertussis (whooping cough) vaccination.
Age and sex associated with patient's likelihood of antimicrobial resistance
- ScienceDaily
- 24/3/14 19:53
A person's age, sex and location are correlated with the chance that they have a bloodstream infection that is resistant to antibiotics, according to a new study.
How fear unfolds inside our brains
- ScienceDaily
- 24/3/14 19:53
The stress-induced mechanisms that cause our brain to produce feelings of fear in the absence of threats -- such as in PTSD -- have been mostly a mystery. Now, neurobiologists have identified the changes in brain biochemistry and mapped the neural circuitry that cause generalized fear experiences.
A new world of 2D material is opening up
- ScienceDaily
- 24/3/14 19:53
Materials that are incredibly thin, only a few atoms thick, exhibit unique properties that make them appealing for energy storage, catalysis and water purification. Researchers have now developed a method that enables the synthesis of hundreds of new 2D materials.
How home food availability affects young children's nutrient intake
- ScienceDaily
- 24/3/14 17:22
Early childhood is an important time for learning about nutrition and establishing healthy eating behaviors. Young children rely on parents to provide food options, and the availability of food in the home affects their dietary choices. A new study looks at changes in home food availability and nutrient intake for children from 2 to 4 years old.
Information overload is a personal and societal danger
- ScienceDaily
- 24/3/14 17:22
We are all aware of the dangers of pollution to our air, water, and earth. In a recently published letter, scientists are advocating for the recognition and mitigation of another type of environmental pollution that poses equivalent personal and societal dangers: information overload.
Protein discovery sparks treatment hope for aggressive cancer
- ScienceDaily
- 24/3/14 17:21
Researchers have shown that targeting a gene regulated by two cancer-fuelling proteins can kill cancerous cells and halt their growth in laboratory models of B-cell acute lymphoblastic leukemia (ALL).
Researchers can reveal illegal timber exports
- ScienceDaily
- 24/3/14 17:21
A new method of timber analysis can confidently identify the location in which the tree was harvested. The method has been developed with the aim of combating illegal timber imports from Russia and Belarus.
Dolphin-kick swimming maximizes water-flow utilization with increasing speed
- ScienceDaily
- 24/3/14 17:21
Researchers investigated the propulsion mechanism by visualizing water flow around a swimmer during underwater dolphin-kick swimming in a water channel via particle image velocimetry. Their findings revealed that swimmers can utilize water flow and vortexes more effectively as their speed increases.
Small amounts of licorice raise blood pressure, study finds
- ScienceDaily
- 24/3/14 17:21
It is known that large amounts of licorice cause high blood pressure. A new study now shows that even small amounts of licorice raise blood pressure. The individuals who react most strongly also show signs of strain on the heart.
Dog-killing flatworm discovered in Southern California
- ScienceDaily
- 24/3/14 17:21
Scientists have confirmed that a potentially fatal dog parasite is present in a portion of the Colorado River that runs through California.
Surprising insights about debris flows on Mars
- ScienceDaily
- 24/3/14 17:21
The period that liquid water was present on the surface of Mars may have been shorter than previously thought. Channel landforms called gullies, previously thought to be formed exclusively by liquid water, can also be formed by the action of evaporating CO2 ice, according to a new study.
Gut bacteria important for overcoming milk allergy
- ScienceDaily
- 24/3/14 17:21
Researchers have discovered a link between gut bacteria and the success of milk-allergy oral immunotherapy. The study found that Bifidobacterium -- a genus of beneficial bacteria in the gut -- was associated with a higher chance of successful treatment. The finding may help in the development of more effective oral immunotherapies, perhaps by combining them with probiotic supplements.
It's hearty, it's meaty, it's mold
- ScienceDaily
- 24/3/14 17:21
Scientists are exploring how tuning the genomes of mushrooms and molds can transform these food sources into gourmet, nutrient-packed meals made with minimal processing and a light environmental footprint.
Perovskite solar cells: Vacuum process may offer a short track to commercialization
- ScienceDaily
- 24/3/14 17:21
Which process is best suited for mass production of perovskite solar cells? While solvent-based manufacturing processes are used in laboratories around the world, vacuum vapor-phase deposition processes are still the standard for the production of thin films for photovoltaics or organic light-emitting diodes. A new study that reveals major differences in the scientific discussion of these...