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| New survey method proves Rhode Island's rarest frog may not be so rare Posted: 14 Jun 2021 03:56 PM PDT A study by researchers using a seldom-used methodology turned up many more Eastern spadefoots, an endangered primitive frog, than they expected. |
| Targeted drug found effective in thwarting pancreatic tumors Posted: 14 Jun 2021 03:56 PM PDT Through a pre-clinical study, researchers identified a novel drug that effectively thwarts pancreatic tumors that are addicted to the cancer-causing mutant KRAS gene. |
| Scientists discover how oxygen loss saps a lithium-ion battery's voltage Posted: 14 Jun 2021 03:56 PM PDT Scientists took a unique and detailed nanoscale look at how oxygen seeps out of lithium-ion battery electrodes, sapping their energy over time. The results could suggest a fix. |
| Research reveals why people pick certain campsites Posted: 14 Jun 2021 03:56 PM PDT Those in love with the outdoors can spend their entire lives chasing that perfect campsite. New research suggests what they are trying to find. |
| Introducing play to higher education reduces stress and forms deeper connection material Posted: 14 Jun 2021 03:56 PM PDT Higher education students are more engaged and motivated when they are taught using playful pedagogy rather than the traditional lecture-based method. Play also resulted in reduced stress and anxiety. |
| Lightning impacts edge of space in ways not previously observed Posted: 14 Jun 2021 03:55 PM PDT A team of researchers working with data collected by an Incoherent Scatter Radar (ISR) have examined the simultaneous impacts of thunderstorms and solar flares on the ionospheric D-region (often referred to as the edge of space). |
| Switchable mirrors from liquid metal Posted: 14 Jun 2021 03:55 PM PDT Researchers show that switching between reflective and scattering states can be achieved with just 1.4 V, about the same voltage used to light a typical LED. |
| New health benefits of red seaweeds unveiled Posted: 14 Jun 2021 03:55 PM PDT Red seaweeds have been prevalent in the diets of Asian communities for thousands of years. Researchers have now shown how these algae confer health benefits. |
| Microbes in ocean play important role in moderating Earth's temperature Posted: 14 Jun 2021 03:55 PM PDT A new study uncovers where much of the carbonate consumption in the deep sea is happening - a process that prevents its escape into Earth's atmosphere. Researchers collected and examined methane-eating microbes from seven geologically diverse seafloor seeps and found that the carbonate rocks from all sites host methane-oxidizing microbial communities with the highest rates of methane consumption. |
| As climates change, prepare for more mosquitoes in winter Posted: 14 Jun 2021 03:55 PM PDT In places on the front lines of climate change, these disease-spreading insects may become a year-round problem. |
| More than a bumpy ride: Turbulence offers boost to birds Posted: 14 Jun 2021 03:55 PM PDT By combining wind speed data with the measured accelerations of a golden eagle outfitted with GPS tracking instruments, researchers suggest that, rather than hindering flight, turbulence is a source of energy that birds may use to their advantage. |
| Does zinc inhibit or promote growth of kidney stones? Well, both Posted: 14 Jun 2021 12:39 PM PDT In the first study to validate conflicting theories, a researcher has confirmed that the zinc actually does inhibit and promote the growth of kidney stones at the same time. |
| Dark matter is slowing the spin of the Milky Way's galactic bar Posted: 14 Jun 2021 12:39 PM PDT For 30 years, astrophysicists have predicted such a slowdown, but this is the first time it has been measured. The researchers say it gives a new type of insight into the nature of dark matter, which acts like a counterweight slowing the spin. |
| Rocky mountain forests now burning more than any point in past 2,000 years Posted: 14 Jun 2021 12:39 PM PDT Following 2020's extreme fire season, high-elevation forests in the central Rocky Mountains now are burning more than at any point in the past 2,000 years, according to a new study. |
| Boundary of heliosphere mapped Posted: 14 Jun 2021 12:39 PM PDT For the first time, the boundary of the heliosphere has been mapped, giving scientists a better understanding of how solar and interstellar winds interact. |
| Making a meal of DNA in the seafloor Posted: 14 Jun 2021 12:39 PM PDT While best known as the code for genetic information, DNA is also a nutrient for specialized microbes. An international team of researchers has discovered several bacteria in sediment samples from the Atlantic Ocean that use DNA as a food source. One bacterium newly named by the team in fact is a true expert in degrading DNA. |
| Near-field routing of hyperbolic metamaterials Posted: 14 Jun 2021 12:39 PM PDT Researchers recently demonstrated an all-electric scheme able to flexibly control the propagation direction of near-field light. |
| Insulators turn up the heat on quantum bits Posted: 14 Jun 2021 12:39 PM PDT Physicists have long suspected that dielectric materials may significantly disrupt ion-trap quantum computers. Now, researcher have developed a new method to quantify this source of error for the first time. For the future operation of quantum computers with very many quantum bits, such noise sources need to be eliminated already during the design process if possible. |
| Persistence pays off in the human gut microbiome Posted: 14 Jun 2021 12:39 PM PDT The human gut microbiome is a complex community of trillions of microbes that are constantly interacting with each other and our bodies. It supports our wellbeing, immune system and mental health -- but how is it sustained? |
| An unusual symbiosis of a ciliate, green alga, and purple bacterium Posted: 14 Jun 2021 12:39 PM PDT The intracellular purple sulfur bacterium 'Candidatus Thiodictyon intracellulare' has lost the ability to oxidize sulfur and now supplies a ciliate with energy from photosynthesis. |
| Climate conditions during the migration of Homo sapiens out of Africa reconstructed Posted: 14 Jun 2021 12:39 PM PDT Climate reconstruction of the last 200,000 years from East Africa illustrates the living conditions of Homo sapiens when they migrated out of Africa / Homo sapiens was mobile across regions during wet phases and retreated to high altitudes during dry phases. |
| Posted: 14 Jun 2021 12:39 PM PDT Does evolution explain why we can't resist a salty chip? Researchers found that differences between the elemental composition of foods and the elemental needs of animals can explain the development of pleasing tastes like salty, umami and sweet. |
| New combination of materials provides progress toward quantum computing Posted: 14 Jun 2021 12:39 PM PDT Engineers have demonstrated how, when the TMDC materials they make are stacked in a particular geometry, the interaction that occurs between particles gives researchers more control over the devices' properties. Specifically, the interaction between electrons becomes so strong that they form a new structure known as a correlated insulating state. This is an important step, researchers said, toward developing quantum emitters needed for future quantum simulation and computing. |
| Researchers model impact of blood pressure control programs at barbershops nationwide Posted: 14 Jun 2021 12:38 PM PDT Investigators built a model to examine the potential impact of implementing blood pressure control programs at barbershops nationwide and found that such programs could reach one in three Black men with uncontrolled blood pressure nationally. |
| Scientists expose the cold heart of landfalling hurricanes Posted: 14 Jun 2021 10:12 AM PDT Fearsome and powerful, hurricanes can wreak massive destruction when they hit land. But while most hurricanes then weaken, others can strengthen again into extratropical cyclones and caused further damage inland. Now, researchers have used simulations to uncover the presence of a cold core inside decaying hurricanes - an unexpected discovery that could help forecasters predict the level of extreme weather that communities farther inland may face. |
| Peering inside 2D crystal synthesis Posted: 14 Jun 2021 10:12 AM PDT Theorists simulate the molecular transitions that take place inside a furnace to create 2D molybdenum disulfide, a semiconductor that could find a home in next-generation electronics. |
| What does it take to discover a new species of cicada? Posted: 14 Jun 2021 10:12 AM PDT An observation of an insect exoskeleton on a potted plant may lead to the identification of a new species of cicada. |
| Huge prehistoric croc 'river boss' prowled waterways Posted: 14 Jun 2021 10:12 AM PDT A new species of large prehistoric croc that roamed southeast Queensland's waterways millions of years ago has been documented. |
| Brain capillary structures show a correlation with their neuron structures Posted: 14 Jun 2021 10:12 AM PDT Researchers performed microtomography experiments the BL20XU beamline of the SPring-8 synchrotron radiation facility and found that brain capillary structures show a correlation with their neuron structures. |
| Stents inspired by paper-cutting art can deliver drugs to the GI tract Posted: 14 Jun 2021 10:12 AM PDT Inspired by kirigami, the Japanese art of folding and cutting paper, engineers have designed a new type of stent that could be used to deliver drugs to the gastrointestinal tract, respiratory tract, or other tubular organs in the body. |
| Touchless technology could enable early detection and treatment of eye diseases that cause blindness Posted: 14 Jun 2021 10:12 AM PDT A new non-contact laser imaging system developed by engineering researchers, is designed to detect telltale signs of major blinding diseases in retinal blood and tissue that typically go unseen until it is too late. |
| Potential new treatment target for Alzheimer's disease Posted: 14 Jun 2021 10:12 AM PDT A new study not only sheds light on how the APOE4 gene may cause some of the pathologies associated with Alzheimer's disease, but also suggests a new treatment target that might help people who carry the APOE4 gene in early and late stages of the disease. Researchers found that APOE4 is associated with the activation of an inflammatory protein that causes a breakdown in the blood-brain barrier which protects the brain. |
| A new model of Alzheimer's progression Posted: 14 Jun 2021 10:12 AM PDT Scientists explore how protein and signaling pathways change in patients with Alzheimer's disease. Their work creates a new model of disease progression, taking advantage of the heterogeneity that is inherent to human studies. |
| One step towards a daily-use deep UV light source for sterilization and disinfection Posted: 14 Jun 2021 10:12 AM PDT Researchers invented a more efficient device for doubling the frequency of incoming light by combining period reflectors inside a microcavity containing gallium nitride. This work may help in the construction of a deep UV light source with bactericidal effect that is both safe and practical. |
| Too many forewing eyespots are bad for butterflies Posted: 14 Jun 2021 10:12 AM PDT Biologists sought to understand the impact of uneven distribution of eyespots on butterflies. The team found that the location of these eyespots is key to their protective function. |
| Hair follicles heal blisters at personal cost Posted: 14 Jun 2021 10:12 AM PDT A team of scientists has shown that the healing of skin blisters is driven by hair follicle stem cells, which delay their own development in the process. |
| Easy, inexpensive, efficient: Researchers improve efficacy of new malaria drug Posted: 14 Jun 2021 10:11 AM PDT Artemisone is a promising substance in the fight against malaria. However, the active ingredient has yet to be used due its instability and because it is not easily absorbed by the body. A team has now pushed this a bit further. They have developed a very simple method for preparing the active ingredient that makes it easier to administer and store. |
| Irish potato famine pathogen stoked outbreaks on six continents Posted: 14 Jun 2021 08:08 AM PDT Researchers tracking the evolution of different strains of the plant pathogen that caused the Irish potato famine in the 1840s show that the historic lineage called FAM-1 was found in nearly three-fourths of the 140 historic and modern samples tested and was found on all six continents. |
| Posted: 14 Jun 2021 08:08 AM PDT Not only the 11-year cycle, but also all other periodic solar activity fluctuations can be clocked by planetary attractive forces. With new model calculations, they are proposing a comprehensive explanation of known sun cycles for the first time. They also reveal the longest fluctuations in activity over thousands of years as a chaotic process. |
| Black holes help with star birth Posted: 14 Jun 2021 08:08 AM PDT The cosmic mass monsters clear the way for the formation of new suns in satellite galaxies. |
| Earliest memories can start from the age of two-and-a-half Posted: 14 Jun 2021 08:08 AM PDT On average the earliest memories that people can recall point back to when they were just two-and-a-half years old, a new study suggests. |
| From milk protein, a plastic foam that gets better in a tough environment Posted: 14 Jun 2021 08:08 AM PDT A new high-performance plastic foam developed from whey proteins can withstand extreme heat better than many common thermoplastics made from petroleum. A research team reports that the material, which may be used for example in catalysts for cars, fuel filters or packaging foam, actually improves its mechanical performance after days of exposure to high temperatures. |
| Engineers devise novel approach to wirelessly power wearable devices Posted: 14 Jun 2021 08:08 AM PDT Researchers have come up with a way to use one single device - such as a mobile phone or smart watch - to wirelessly power up to 10 wearables on a user. This novel method uses the human body as a medium for transmitting power. Their system can also harvest unused energy from electronics in a typical home or office environment to power the wearables. |
| New glial cells discovered in the brain: Implications for brain repair Posted: 14 Jun 2021 08:08 AM PDT Neurons, nerve cells in the brain, are central players in brain function. However, a key role for glia, long considered support cells, is emerging. A research group has now discovered two new types of glial cells in the brain, by unleashing adult stem cells from their quiescent state. These new types of glia may play an important role in brain plasticity and repair. |
| Key cause of energy loss in spintronic materials Posted: 14 Jun 2021 08:08 AM PDT A study uncovered a property of magnetic materials that will allow engineers to develop more efficient spintronic devices in the future, which could lead to faster and more efficient computing and data storage. |
| Plant-based diet protects from hypertension, preeclampsia Posted: 14 Jun 2021 08:08 AM PDT A plant-based diet appears to afford significant protection to rats bred to become hypertensive on a high-salt diet, scientists report. When the rats become pregnant, the whole grain diet also protects the mothers and their offspring from deadly preeclampsia. |
| New method makes generic polymers luminescent Posted: 14 Jun 2021 06:38 AM PDT Researchers have developed a simple method that converts existing generic polymers into luminescent polymers using mechanical force. |
| How gender norms and job loss affect relationship status Posted: 14 Jun 2021 06:06 AM PDT Research shows that, in cultures that value men as breadwinners, their unemployment can affect the long-term success of a romantic relationship. |
| Young adults who lost and then restored heart health had lower risk of heart attack, stroke Posted: 14 Jun 2021 06:06 AM PDT A long-term analysis of young adults in Korea found that those with poor heart health had higher rates of cardiovascular disease at a younger age. Young adults with poor cardiovascular health who improved their cardiovascular health over time reduced their chances of heart attack, stroke or heart failure later in life. Those who maintained good cardiovascular health from a young age had the lowest risk of premature cardiovascular disease. |
| AI predicts how patients with viral infections, including COVID-19, will fare Posted: 11 Jun 2021 08:08 AM PDT Gene expression patterns associated with pandemic viral infections provide a map to help define patients' immune responses, measure disease severity, predict outcomes and test therapies -- for current and future pandemics. |
| A better understanding of 'wet markets' is key to safeguarding human health, biodiversity Posted: 11 Jun 2021 05:56 AM PDT The term 'wet market' is often laced with negative undertones, especially in light of the COVID-19 pandemic, but the majority of these markets -- like the one featured above in Taipei, Taiwan -- pose very little risks to human health and biodiversity, according to a new study. |
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