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ScienceDaily: Top News |
| New study sheds light on evolution of photosynthesis Posted: 28 Jun 2021 02:06 PM PDT A new study sheds new light on the evolution of photosynthesis in plants and algae, which could help to improve crop production. |
| Maternal diets rich in Omega-3 fatty acids may protect offspring from breast cancer, study suggests Posted: 28 Jun 2021 02:06 PM PDT Researchers noted a significant difference in mice from mothers that were fed a diet rich in canola oil, compared with mothers fed a diet rich in corn oil. A maternal Omega 3-rich diet affected genome-wide epigenetic landscape changes in offspring and potentially modulated gene expression patterns. |
| Pop-up coffee table -- no assembly required Posted: 28 Jun 2021 02:06 PM PDT Researchers have developed a deployable system that is light, compact, inexpensive, easy to manufacture, and, most importantly, easy to deploy. By harnessing the mechanical instabilities in curved beams, the system can transform objects into elaborate and customizable 3D configurations on a range of scales, from large-scale furniture to small medical devices. |
| Researchers question prevailing Alzheimer's theory with new discovery Posted: 28 Jun 2021 02:06 PM PDT Experts estimate more than 6 million Americans are living with Alzheimer's dementia. But a recent study sheds new light on the disease and a highly debated new drug therapy. |
| Evidence-based patient-psychotherapist matching improves mental health care Posted: 28 Jun 2021 02:06 PM PDT Psychotherapy researchers have found that mental health care patients matched with therapists who had a strong track record of treating the patients' primary concerns had better results than patients who were not so matched. |
| Weird warbler reveals genetics of its mismatched colors Posted: 28 Jun 2021 02:05 PM PDT An incredibly rare hybrid warbler with mismatched color patterns has allowed researchers to disentangle the genetic drivers of two traits that usually come as a package deal -- the black face mask and the black throat patch in blue-winged and golden-winged warblers. |
| Posted: 28 Jun 2021 02:05 PM PDT Some exoplanet searches could be missing nearly half of the Earth-sized planets around other stars. New findings suggest that Earth-sized worlds could be lurking undiscovered in binary star systems, hidden in the glare of their parent stars. As roughly half of all stars are in binary systems, this means that astronomers could be missing many Earth-sized worlds. |
| COVID-19 vaccine generates immune structures critical for lasting immunity Posted: 28 Jun 2021 02:05 PM PDT The first two COVID-19 vaccines authorized for emergency use by the U.S. Food and Drug Administration (FDA) employed mRNA technology, which had never before been used in FDA-approved vaccines. A new study has found evidence that the immune response to such vaccines is both strong and potentially long-lasting. |
| Unique exoplanet photobombs CHEOPS study of nearby star system Posted: 28 Jun 2021 02:05 PM PDT While studying two exoplanets in a bright nearby star system, the CHEOPS satellite has unexpectedly spotted the system's third known planet crossing the face of the star. This transit reveals exciting details about a rare planet 'with no known equivalent', as the scientific team points out. |
| Baby reef fishes swim for gold Posted: 28 Jun 2021 02:05 PM PDT Baby coral reef fishes can outpace all other baby fishes in the ocean, swimming around 15-40 body lengths per second. |
| Storing carbon inn rocks underground: Old oil fields may be less prone to induced earthquakes Posted: 28 Jun 2021 02:05 PM PDT Subsurface carbon sequestration -- storing carbon in rocks deep underground -- offers a partial solution for removing carbon from the atmosphere. Used alongside emissions reductions, geologic carbon sequestration could help mitigate anthropogenic climate change. But like other underground operations, it comes with risks -- including earthquakes. |
| 'Unexciting' an anxious brain: Novel drug reduces anxiety-like behavior in mice Posted: 28 Jun 2021 02:05 PM PDT Anxiety is considered a natural response to stress. However, a state of heightened anxiety, called anxiety disorder, prevents thousands of people from living their best lives. While several underlying mechanisms have been therapeutically targeted, much remains to be discovered about this disorder. In an effort to get closer to unraveling the mechanisms that govern this condition, researchers have identified a drug that reduces glutamate-induced neurotransmission, involved in anxiety-like behavior. |
| New molecule found in chestnut leaves disarms dangerous staph bacteria Posted: 28 Jun 2021 02:05 PM PDT Scientists isolated a molecule, extracted from the leaves of the European chestnut tree, with the power to neutralize dangerous, drug-resistant staph bacteria. |
| Using the ancient art of Kirigami to make an eyeball-like camera Posted: 28 Jun 2021 02:05 PM PDT Using Kirigami, the Japanese art of paper cutting, a mechanical engineer has developed a camera with a curvy, adaptable imaging sensor that could improve image quality in endoscopes, night-vision goggles, artificial compound eyes and fish-eye cameras. |
| Mountaintop glacier ice disappearing in tropics around the world Posted: 28 Jun 2021 02:05 PM PDT Mountaintop glacier ice in the tropics of all four hemispheres covers significantly less area -- in one case as much as 93% less -- than it did just 50 years ago, a new study has found. |
| How to build a better wind farm Posted: 28 Jun 2021 02:05 PM PDT Location, location, location -- when it comes to the placement of wind turbines, the old real estate adage applies, according to new research. |
| New technique to treat middle ear infections Posted: 28 Jun 2021 02:05 PM PDT In a new study, researchers have designed a miniaturized 3D-printed device to inactivate Pseudomonas aeruginosa, a common bacterium that causes the infection. |
| Most nitrogen in Gulf of Mexico comes from coastal waters Posted: 28 Jun 2021 02:05 PM PDT Almost all of the nitrogen that fertilizes life in the open ocean of the Gulf of Mexico is carried into the Gulf from shallower coastal areas, researchers found. |
| Hundreds of lives saved in Kansas counties that adopted mask mandates, study finds Posted: 28 Jun 2021 02:05 PM PDT New research shows that despite cultural and political pushback, the evidence remains clear: Face masks made a difference in Kansas. |
| New type of metasurface allows unprecedented laser control Posted: 28 Jun 2021 02:05 PM PDT Researchers have developed a single metasurface that can effectively tune the different properties of laser light, including wavelength, without the need of additional optical components. The metasurface can split light into multiple beams and control their shape and intensity in an independent, precise and power-efficient way. |
| GluN3A knockout mouse: Alternative model for Alzheimer's neurodegeneration Posted: 28 Jun 2021 02:04 PM PDT GluN3A-deficient mice display all aspects of Alzheimer's neurodegeneration. |
| Satellite unexpectedly detects a unique exoplanet Posted: 28 Jun 2021 12:29 PM PDT An exoplanet-hunting satellite has unexpectedly detected a third planet passing in front of its star while it was exploring two previously known planets around the same star. This transit, according to researchers, will reveal exciting details about a strange planet without a known equivalent. |
| Mangrove forest study has takeaways for coastal communities Posted: 28 Jun 2021 12:29 PM PDT A new article shines light on the effect human-made infrastructure and natural topography has on coastal wetlands after major storm events. |
| Plant physiology: A tale of three proteins Posted: 28 Jun 2021 12:29 PM PDT Biologists have shown that 'supervisor' and 'motivator' proteins are required to enable a third factor to perform its function in photosynthesis. |
| The most curious babies become the most curious toddlers Posted: 28 Jun 2021 12:29 PM PDT A longitudinal study of infant curiosity found that months-old babies most captivated by magic tricks became the most curious toddlers, suggesting a pre-verbal baby's level of interest in surprising aspects of the world remains constant over time and could predict their future cognitive ability. |
| DNA data and modelling reveal potential spread of invasive species Posted: 28 Jun 2021 11:48 AM PDT Scientists have found that a marine invasive species - a sea squirt that lives on rocky shores - could spread along 3,500 kilometers of South American coastline if climate change or human activities alter sea conditions. |
| Unusual prey: Spiders eating snakes Posted: 28 Jun 2021 10:38 AM PDT There are spiders that eat snakes. Observations of snake-eating spiders have been reported around the world. Researchers consolidated and analyzed over 300 reports of this unusual predation strategy. |
| Striking gold: Synthesizing green gold nanoparticles for cancer therapy with biomolecules Posted: 28 Jun 2021 10:21 AM PDT Scientists have designed an eco-friendly protocol for synthesizing gold nanoparticles with optimized morphology for near-infrared light absorption using a biomolecule called B3 peptide. They report the synthesis of triangular and circular gold nanoplates and their effectiveness in killing cancer cells by converting the absorbed light into heat, providing useful insights for the development of non-invasive cancer therapy. |
| Deep machine learning completes information about the bioactivity of one million molecules Posted: 28 Jun 2021 10:21 AM PDT A newly developed tool predicts the biological activity of chemical compounds, key information to evaluate their therapeutic potential. Using artificial neural networks, scientists have inferred experimental data for a million compounds and have developed a package of programs to make estimates for any type of molecule. |
| Blood stem cells make brain tumors more aggressive Posted: 28 Jun 2021 10:21 AM PDT Scientists have discovered stem cells of the hematopoietic system in glioblastomas, the most aggressive form of brain tumor. These hematopoietic stem cells promote division of the cancer cells and at the same time suppress the immune response against the tumor. This surprising discovery might open up new possibilities for developing more effective immunotherapies against these malignant brain tumors. |
| Love: How the feeling of power determines happy relationships Posted: 28 Jun 2021 10:21 AM PDT Want to have a happy relationship? Make sure both partners feel they can decide on issues that are important to them. Objective power measured by income, for example, doesn't seem to play a big role, according to a new study. Instead, how lovers perceive power dynamics in their relationship is most important for relationship satisfaction. |
| Fast IR imaging-based AI identifies tumor type in lung cancer Posted: 28 Jun 2021 10:21 AM PDT The prognosis and effective therapies differ based on the type of lung cancer. While it previously took several days to precisely determine the underlying mutation, a research team has been able to reliably perform this determination in just one step using a combination of quantum cascade laser-based infrared microscopy and artificial intelligence. |
| Honey, we shrunk the intense XUV laser Posted: 28 Jun 2021 09:49 AM PDT An international team of researchers has demonstrated a new concept for the generation of intense extreme-ultraviolet (XUV) radiation by high-harmonic generation (HHG). Its advantage lies in the fact that its footprint is much smaller than currently existing intense XUV lasers. The new scheme is straightforward and could be implemented in many laboratories worldwide, which may boost the research field of ultrafast XUV science. |
| Sunflower peptide as 'template' for potential analgesic Posted: 28 Jun 2021 09:49 AM PDT A naturally occurring peptide in sunflower seeds was synthetically optimized and has now been identified as a potential drug for treating abdominal pain or inflammation (in the gastrointestinal tract, abdominal area and/or internal organs). |
| New tools for pandemic prevention research: DNA sequencing from water and leeches Posted: 28 Jun 2021 09:49 AM PDT In new research, water from African and Mongolian waterholes as well as bloodmeals from Southeast Asian leeches were assessed for the ability to retrieve mammalian viruses without the need to find and catch the mammals. The scientists analyzed the samples using high-throughput sequencing to identify known viruses as well as viruses new to science. |
| Scientists develop simple blood test for early detection of Alzheimer's disease Posted: 28 Jun 2021 09:49 AM PDT An international research team has developed a simple but robust blood test from Chinese patient data for early detection and screening of Alzheimer's disease (AD) with an accuracy level of over 96%. |
| Transforming the layered ferromagnet F5GT for future spintronics Posted: 28 Jun 2021 09:49 AM PDT Engineers have achieved record-high electron doping in a layered ferromagnet, causing magnetic phase transition -- with significant promise for future electronics. Control of magnetism by electric voltage is vital for developing future, low-energy high-speed nano-electronic and spintronic devices, such as spin-orbit torque devices and spin field-effect transistors. |
| Saturated fatty acid levels increase when making memories Posted: 28 Jun 2021 09:30 AM PDT Saturated fatty acid levels unexpectedly rise in the brain during memory formation, according to new research. |
| Data from boreholes in plate boundaries could explain slow earthquakes Posted: 28 Jun 2021 09:30 AM PDT Slow earthquakes are long-period earthquakes that are not so dangerous alone, but are able to trigger more destructive earthquakes. Their origins lie in tectonic plate boundaries where one plate subsides below another. Though the causal mechanism is already known, there has been a lack of data to accurately model the life cycle of slow earthquakes. For the first time, researchers use deep-sea boreholes to gauge pressures far below the seafloor. |
| Advanced care: Smart wound dressings with built-in healing sensors Posted: 28 Jun 2021 09:30 AM PDT New type of multifunctional wound dressings feature glowing nanosensors to track and monitor for infection. Harnessing the antimicrobial and anti-inflammatory power of magnesium hydroxide, the smart dressings can also fight bacteria and reduce inflammation to help promote healing. |
| A way to surmount supercooling Posted: 28 Jun 2021 09:30 AM PDT Researchers study the use of nanoparticles to induce crystallization of supercooled aqueous solutions to clathrate hydrates. On the basis of scanning electron microscopy images, they discovered that silver nanoparticles are much more effective compared with palladium or gold. This research may open the way for new latent heat energy storage materials via enhanced supercooling control. |
| An atlas of the bumblebee brain Posted: 28 Jun 2021 09:30 AM PDT A three-dimensional atlas of the bumblebee brain is now available. It will allow to even better research how nerve cells are interconnected and how they process information. |
| Transient pacemaker harmlessly dissolves in body Posted: 28 Jun 2021 08:41 AM PDT The thin, flexible, lightweight device could be used in patients who need temporary pacing after cardiac surgery or while waiting for a permanent pacemaker. All components of the pacemaker are biocompatible and naturally absorb into the body's biofluids over the course of five to seven weeks, without needing surgical extraction. |
| Posted: 28 Jun 2021 08:41 AM PDT Scientists have discovered the first convincing evidence for a new type of stellar explosion -- an electron-capture supernova. While they have been theorized for 40 years, real-world examples have been elusive. They are thought to arise from the explosions of massive super-asymptotic giant branch (SAGB) stars, for which there has also been scant evidence. |
| New face mask prototype can detect COVID-19 infection Posted: 28 Jun 2021 08:41 AM PDT Engineers have designed a prototype face mask that can diagnose the person wearing the mask with Covid-19 within about 90 minutes. The technology can also be used to design wearable sensors for a variety of other pathogens or toxic chemicals. |
| Paleonursery offers rare, detailed glimpse at life 518 million years ago Posted: 28 Jun 2021 08:41 AM PDT All life on Earth 500 million years ago lived in the oceans, but scientists know little about how these animals and algae developed. A newly discovered fossil deposit near Kunming, China, may hold the keys to understanding how these organisms laid the foundations for life on land and at sea today, according to an international team of researchers. |
| Don't worry, birds won't become dependent on you feeding them, study suggests Posted: 28 Jun 2021 08:41 AM PDT Researchers have some good news for the well-meaning masses who place bird feeders in their yards: The small songbirds who visit the feeders seem unlikely to develop an unhealthy reliance on them. |
| Gene discovery may hold key to better therapies for OCD Posted: 28 Jun 2021 08:41 AM PDT New research finds that some cases of OCD are caused by damaging gene variants that, while rare, provide a needed starting point for the development of better therapeutics. |
| Males help keep populations genetically healthy Posted: 27 Jun 2021 01:36 PM PDT A few males are enough to fertilize all the females. The number of males therefore has little bearing on a population's growth. However, they are important for purging bad mutations from the population. This is shown by a new study providing in-depth knowledge of the possible long-term genetic consequences of sexual selection. |
| Edible Cholera vaccine made of powdered rice proves safe in phase 1 human trials, study suggests Posted: 25 Jun 2021 04:09 PM PDT Vaccine manufacturing made enormous strides in 2020, but the complexity of SARS-CoV-2 vaccines has highlighted the value of inoculations that can be made cheaply and transported and stored without refrigeration. A new needle-free cholera vaccine has been made by grinding up genetically modified grains of rice and can be stored long-term at room temperature. This innovation has shown no obvious side effects and a good immune response in its Phase 1 clinical trial. |
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