Science News Science News Respective post owners and feed distributors Tue, 22 Jan 2013 09:53:08 -0600 Feed Informer In the absence of genetic variation, asexual invasive species find new methods of adapting to their environment ScienceDaily: Latest Science News urn:uuid:4871b255-e06e-ec4d-401f-6e0ec8b8285d Fri, 30 Jul 2021 15:54:56 -0500 New research has found that two types of weevils, common yet invasive beetles in many parts of the world, have been using epigenetic changes to adapt and respond to different toxins in the plants they eat. The findings have implications for how we consider asexual invaders and how successful they can be because of gene regulation. Astronomers probe layer-cake structure of brown dwarf’s atmosphere ScienceDaily: Latest Science News urn:uuid:fbfb0527-8d53-a7d0-fc48-5f1ba5715912 Fri, 30 Jul 2021 15:54:53 -0500 Astronomers have developed a new way to capture all the exquisite 'layer-cake' details of a brown dwarf's cloud structure. Because brown dwarfs are similar to super-Jupiters, this innovative technique can help deepen scientists' understanding of the atmospheres of giant alien worlds that are more massive than Jupiter. The environment for permafrost in Daisetsu Mountains in Japan is projected to decrease significantly ScienceDaily: Latest Science News urn:uuid:daffd17f-73ca-0802-e350-8339dcd4d7ca Fri, 30 Jul 2021 15:54:47 -0500 Areas with climatic conditions suitable for sustaining permafrost in the Daisetsu Mountains are projected. The size of the area in the Daisetsu Mountains where climatic conditions were suitable for permafrost were estimated to be approximately 150 km2 in 2010. Under the business-as-usual scenario, this area is projected to disappear by around 2070. Under the low-carbon scenario consistent with Paris target scenario, the area is projected to decrease to approximately 13% of 2010 by 2100. Radio-wave therapy is safe for liver cancer patients and shows improvement in overall survival, study suggests ScienceDaily: Latest Science News urn:uuid:67403d81-1e7c-fa8f-1f2d-cf842bcb187e Fri, 30 Jul 2021 15:54:45 -0500 Researchers have shown that a targeted therapy using non-thermal radio waves is safe to use in the treatment of hepatocellular carcinoma (HCC), the most common type of liver cancer, according to a new study. The therapy also showed a benefit in overall survival. 'Greening' biomaterials and scaffolds used in regenerative medicine ScienceDaily: Latest Science News urn:uuid:5dc9cfcf-b3ac-5857-7c12-013578b1972c Fri, 30 Jul 2021 15:54:42 -0500 In the biomaterials industry, electrospinning is a ubiquitous fabrication method used to produce nano- to microscale fibrous meshes that closely resemble native tissue architecture. Alas, the process has traditionally used solvents that not only are environmentally hazardous but also a significant barrier to industrial scale-up, clinical translation, and widespread use. But now, researchers report that they have developed a 'green electrospinning' process that addresses those challenges, from managing environmental risks of volatile solvent storage and disposal at large volumes to meeting health and safety standards during both fabrication and implementation. Early COVID-19 symptoms differ among age groups, research finds ScienceDaily: Latest Science News urn:uuid:d00c99a2-f63c-335d-e198-a73dadfb3bde Fri, 30 Jul 2021 15:54:39 -0500 Symptoms for early COVID-19 infection differ among age groups and between men and women, new research has found. Bird brains left other dinosaurs behind ScienceDaily: Latest Science News urn:uuid:c60c9653-eab4-286a-9d74-2a0a3a5ff664 Fri, 30 Jul 2021 15:54:36 -0500 Research on a newly discovered bird fossil found that a unique brain shape may be why the ancestors of living birds survived the mass extinction that claimed all other known dinosaurs. Ultrafast X-ray provides new look at plasma discharge breakdown in water ScienceDaily: Latest Science News urn:uuid:1c634250-7722-b734-f88d-85c9b8c41aa2 Fri, 30 Jul 2021 13:20:52 -0500 Occurring faster than the speed of sound, the mystery behind the breakdown of plasma discharges in water is one step closer to being understood as researchers pursue applying new diagnostic processes using state-of-the-art X-ray imaging to the challenging subject. Source of DNA mutations in melanoma ScienceDaily: Latest Science News urn:uuid:8aa86d03-c271-0b7e-e11d-47c20850a032 Fri, 30 Jul 2021 13:20:42 -0500 The mutations that give rise to melanoma result from a chemical conversion in DNA fueled by sunlight -- not just a DNA copying error as previously believed, reports a new study. The findings upend long-held beliefs about the mechanisms underlying the disease, reinforce the importance of prevention efforts and offer a path forward for investigating the origins of other cancer types. Crucial new molecular mechanisms and biomarkers in ovarian cancer ScienceDaily: Latest Science News urn:uuid:67771725-2100-6978-2f8a-572904a12fc0 Fri, 30 Jul 2021 11:14:27 -0500 Medical researchers have discovered what appears to be an Achilles' heel in ovarian cancers, as well as new biomarkers that could point to which patients are the best candidates for possible new treatments. Scientists explore the latent regenerative potential of the inner ear ScienceDaily: Latest Science News urn:uuid:d1639901-33e6-b5c9-1eda-e695224e10e1 Fri, 30 Jul 2021 10:17:51 -0500 Scientists have identified a natural barrier to the regeneration of the inner ear's sensory cells, which are lost in hearing and balance disorders. Overcoming this barrier may be a first step in returning inner ear cells to a newborn-like state that's primed for regeneration, as described in a new study. The study suggests new gene engineering approaches that could be used to channel some of the same regenerative capability present in embryonic inner ear cells. Some birds steal hair from living mammals, study finds ScienceDaily: Latest Science News urn:uuid:b578d6ad-771e-bab9-4db9-17bebc54b68b Fri, 30 Jul 2021 09:43:16 -0500 A new paper documents an unusual behavior among tufted titmice and their closest bird kin. A bird will land on an unsuspecting mammal and, cautiously and stealthily, pluck out some of its hair. New research infuses equity principles into the algorithm development process ScienceDaily: Latest Science News urn:uuid:df2d249c-1b21-7db7-b15c-58b5d44de9b0 Fri, 30 Jul 2021 09:43:08 -0500 Researchers have found a new approach to incorporating the larger web of relevant data for predictive modeling for individual and community health outcomes. Solar-powered microbes to feed the world? ScienceDaily: Latest Science News urn:uuid:cd5066e1-1ed3-98c9-c1c1-031fc02d5b32 Fri, 30 Jul 2021 09:43:03 -0500 An international research team has shown that using solar-panels to produce microbial protein -- which is rich not just in proteins but also in other nutrients -- is more sustainable, efficient and environmentally friendly than growing conventional crops. This method uses solar energy, land, nutrients, and carbon dioxide from the air. Engineers bend light to enhance wavelength conversion ScienceDaily: Latest Science News urn:uuid:bb5f4400-d6ad-6f00-e710-aa831319ab01 Fri, 30 Jul 2021 09:42:57 -0500 Engineers have developed a more efficient way of converting light from one wavelength to another, opening the door for improvements in the performance of imaging, sensing and communication systems. World Trade Center responders with the greatest exposure to toxic dust have a higher likelihood of liver disease, study finds ScienceDaily: Latest Science News urn:uuid:45098428-8a70-0e61-ae49-a566aca3ba1e Fri, 30 Jul 2021 09:42:55 -0500 Researchers have found evidence that World Trade Center responders had a higher likelihood of developing liver disease if they arrived at the site right after the attacks as opposed to working at Ground Zero later in the rescue and recovery efforts. ‘Digging’ into early medieval Europe with big data ScienceDaily: Latest Science News urn:uuid:eb4700c8-35ef-06a9-4a98-0267ee040655 Thu, 29 Jul 2021 21:09:02 -0500 A study involving over 26,000 individual graves in England, France, Germany, Belgium, Switzerland and the Netherlands explores the changes to burial practices and use of 'grave goods' between the 6th-8th centuries CE. Although clear regional distinctions and preferences are present, some communities were able to make highly individual choices about the way to bury their dead. Why uncertainty makes us change our behavior -- even when we shouldn't ScienceDaily: Latest Science News urn:uuid:e7a891fb-357d-556b-8bbf-a2cdc19668c7 Thu, 29 Jul 2021 17:36:38 -0500 'Panic buying' might be a normal human response to uncertainty after all, new research suggests. Buffer zones, better regulation needed to prevent agricultural pollution in rivers, streams, review finds ScienceDaily: Latest Science News urn:uuid:6ec68837-55db-8fc8-951c-73ea8850416f Thu, 29 Jul 2021 17:36:35 -0500 Greater buffer zones around bodies of water and more consistent enforcement of water protection regulations are needed to reduce agriculture-based pollution in the Western U.S., a recent review has found. Differentiating strong antibiotic producers from weaker ones ScienceDaily: Latest Science News urn:uuid:0bd634e9-09bc-91d8-9b10-a6231760e9ee Thu, 29 Jul 2021 17:36:32 -0500 Biologists are using comparative metabologenomics to try to uncover what may be 'silencing' Streptomyces and preventing it from producing desirable compounds encoded by its genes. Artificial light disrupts dung beetles’ sense of direction ScienceDaily: Latest Science News urn:uuid:9536ebe4-48d8-b22c-49d3-03a096b4f1ec Thu, 29 Jul 2021 17:36:29 -0500 New research shows that city lights limit the ability of nocturnal animals to navigate by natural light in the night sky. Instead, they are forced to use streetlamps, neon light or floodlights to orient themselves. Researchers film human viruses in liquid droplets at near-atomic detail ScienceDaily: Latest Science News urn:uuid:cef9518c-4820-b120-ad62-f5a278a2024c Thu, 29 Jul 2021 17:36:26 -0500 Researchers have used advanced electron microscopy (EM) technology to see how human viruses move in high resolution in a near-native environment. The visualization technique could lead to improved understanding of how vaccine candidates and treatments behave and function as they interact with target cells. Amygdala found to have role in important pre-attentive mechanism in the brain ScienceDaily: Latest Science News urn:uuid:3273a6bd-15f7-e88d-a13f-83266c1abc37 Thu, 29 Jul 2021 17:36:20 -0500 Researchers have shown how the amygdala, a brain region typically associated with fear, contributes to prepulse inhibition (PPI) by activating small inhibitory neurons in the mouse brain stem. The discovery advances understanding of the systems underlying PPI and efforts to ultimately develop medical therapies for schizophrenia and other disorders by reversing pre-attentive deficits. Ultra high performance flexible ultraviolet sensors for use in wearables ScienceDaily: Latest Science News urn:uuid:2ce3a150-71a4-0546-b61e-cd0a3e746dd9 Thu, 29 Jul 2021 17:36:13 -0500 To enable the development of wearable devices that possess advanced ultraviolet (UV) detection functions, scientists have created a new type of light sensor that is both flexible and highly sensitive. Collisions of light produce matter/antimatter from pure energy ScienceDaily: Latest Science News urn:uuid:12b96394-a620-8fdd-8f96-0d6ae4bc95ec Thu, 29 Jul 2021 17:36:06 -0500 Scientists studying particle collisions have produced definitive evidence for two physics phenomena predicted more than 80 years ago: that matter/antimatter can be created directly by colliding photons and that a magnetic field can bend polarized light along different paths in a vacuum. Artificial Intelligence learns better when distracted ScienceDaily: Latest Science News urn:uuid:31634808-8ac1-cf14-0715-ed106fd26520 Thu, 29 Jul 2021 17:36:02 -0500 Computer scientists from the Netherlands and Spain have determined how a deep learning system well suited for image recognition learns to recognize its surroundings. They were able to simplify the learning process by forcing the system's focus toward secondary characteristics. A sleep study’s eye-opening findings ScienceDaily: Latest Science News urn:uuid:54cbb525-bbd6-fbb2-e522-dccb5f578475 Thu, 29 Jul 2021 17:35:49 -0500 Getting more sleep, by itself, does not change work productivity or overall well-being for impoverished workers in India. Naps or better-quality sleep at night may have a bigger impact, according to a new study. New information storage and processing device ScienceDaily: Latest Science News urn:uuid:9bd84ebd-761b-7141-4b49-85117e9b4d14 Thu, 29 Jul 2021 17:35:46 -0500 A team of scientists has developed a means to create a new type of memory, marking a notable breakthrough in the increasingly sophisticated field of artificial intelligence. HR 8799 super-Jupiters’ days measured for the first time, gives a new spin on unraveling planet formation mystery ScienceDaily: Latest Science News urn:uuid:332f6dae-c777-6385-c0a2-bec73cb9d47f Thu, 29 Jul 2021 17:35:22 -0500 Astronomers have captured the first-ever spin measurements of HR 8799, the famed system that made history as the very first exoplanetary system to have its image taken. Tiny wireless device illuminates neuron activity in the brain ScienceDaily: Latest Science News urn:uuid:b3d273ee-973e-f1a7-818e-e9e5db20ec1f Thu, 29 Jul 2021 17:35:19 -0500 A team lights a path forward for improved treatment of conditions including addiction and epilepsy and chronic pain. In a new article, they report on a wireless transcranial optogenetic simulation device that can send light through the skull rather than physically penetrating the blood-brain barrier. eDNA effective in the calculation of marine biodiversity ScienceDaily: Latest Science News urn:uuid:92dface3-5937-daeb-b506-7a3b085c7fb1 Thu, 29 Jul 2021 17:35:16 -0500 For almost 20 years, researchers have conducted detailed censuses of the majestic kelp forests off Santa Barbara. By counting fish species and placing them in the context of their environmental conditions, coastal marine ecologists can look at the effects of human activity and natural drivers on kelp and its ability to maintain the kelp forest communities. La Niña increases carbon export from Amazon River ScienceDaily: Latest Science News urn:uuid:6fcd0027-f5b2-56ac-b040-a8c8a3e2d153 Thu, 29 Jul 2021 17:35:13 -0500 When La Niña brings unusually warm waters and abnormal air pressure to the Pacific Ocean, the resulting weather patterns create an increase in the carbon export from the Amazon River, new research has found. Chasing the light from elusive ‘milky seas’: Unraveling mysteries of the ocean from space ScienceDaily: Latest Science News urn:uuid:93e5698b-bbf2-d2fd-800b-4277464abbf9 Thu, 29 Jul 2021 17:35:11 -0500 Using nearly a decade of satellite data, researchers have uncovered "milky seas" in a way they've never been seen before -- a rare and fascinating oceanic bioluminescent phenomenon detected by a highly sensitive spaceborne low-light sensor. How cells draw on memories of past inflammation to respond to new threats ScienceDaily: Latest Science News urn:uuid:2890e5b2-c9d2-d92a-64ca-ba35dda8b4c4 Thu, 29 Jul 2021 17:35:05 -0500 A new study uncovers a near-universal mechanism behind this phenomenon, known as inflammatory memory. Scientists discover a surprising new way that tuberculosis suppresses immunity ScienceDaily: Latest Science News urn:uuid:c43f0917-ad81-6525-9774-ab3a270ee01b Thu, 29 Jul 2021 13:35:08 -0500 University of Maryland researchers discovered a way that Mycobacterium tuberculosis (Mtb), the bacterium that causes tuberculosis, can cause a person's immune cells to lower their defenses. Specifically, they identified a gene in the bacterium that suppresses immune defenses in infected human cells, which could exacerbate the infection. The findings were published on July 29, 2021, in the journal PLOS Pathogens Mapping the cellular circuits behind spitting in C. elegans ScienceDaily: Latest Science News urn:uuid:742ddf2d-4441-c6ed-1b8b-210cce3d49ad Thu, 29 Jul 2021 13:35:03 -0500 Researchers have discovered the mechanism that underlies spitting in the roundworm C. elegans -- expanding our understanding of how neurons control muscle cells to shape behavior. A blood test for your body clock? It's on the horizon ScienceDaily: Latest Science News urn:uuid:55222771-dbfb-006b-c4db-279f63819552 Thu, 29 Jul 2021 13:34:58 -0500 Sleep researchers have found it's possible to determine the timing of a person's internal biological clock via a single blood draw. Ultimately, the findings could lead to a simple blood test for assessing circadian rhythm and personalized recommendations for when people should eat, sleep, exercise and take medications. 'Green' synthesis of plastics from CO2 ScienceDaily: Latest Science News urn:uuid:0f0d80b7-1203-1605-6e44-885bc1b0d2cb Thu, 29 Jul 2021 13:34:55 -0500 Using a CeO2 catalyst, researchers develop an effective catalytic process for the direct synthesis of polycarbonate diols without the need for dehydrating agents. The high yield, high selective process has CO2 blown at atmospheric pressure to evaporate excess water by-product allowing for a catalytic process that can be used with any substrate with a boiling point higher than water. In plant cells, a conserved mechanism for perceiving mechanical force resides in unexpected location ScienceDaily: Latest Science News urn:uuid:3cf6c3b6-e95a-21e4-c028-f0632e40fc0a Thu, 29 Jul 2021 13:34:53 -0500 Minuscule tunnels through the cell membrane help cells to perceive and respond to mechanical forces, such as pressure or touch. A new study directly investigates what PIEZO channels are doing in the tip-growing cells in moss and pollen tubes of flowering plants, and how. Marine ecologists reveal mangroves might be threatened by low functional diversity of invertebrates ScienceDaily: Latest Science News urn:uuid:a4abe211-7ed5-02ab-1590-407fedd632f3 Thu, 29 Jul 2021 13:34:47 -0500 Researchers compiled a dataset of 209 crustacean and 155 mollusk species from 16 mangrove forests around the world. They found that mangroves, when compared with other ecosystems, are among those with the lowest functional redundancy among resident fauna recorded to date, which suggests that these coastal vegetations are among the most precarious ecosystems in the world. More tolerant primates have a greater need to communicate vocally, new study shows ScienceDaily: Latest Science News urn:uuid:72da1576-163d-221c-b827-fd780a678ab2 Thu, 29 Jul 2021 13:34:44 -0500 Primates who are more tolerant of each other use vocal communication more than their stricter counterparts, research shows. Astronomers discover how to feed a black hole ScienceDaily: Latest Science News urn:uuid:8b376d68-20d8-0ce7-717a-2a618556f868 Thu, 29 Jul 2021 13:34:36 -0500 Researchers have discovered long narrow dust filaments which surround and feed black holes in the centers of galaxies, and which could be the natural cause of the darkening of the centers of many galaxies when their nuclear black holes are active. Older adults are happier when space matches personality ScienceDaily: Latest Science News urn:uuid:2cdbecc5-6602-6f56-6f6a-f6ef4b44c98d Thu, 29 Jul 2021 13:34:31 -0500 A study has found photos of a person's living space can accurately point at personality traits and the mood of the people who live there, especially as a person gets older. Applying the findings could help lead to happier lives, including for older adults with frailty or cognitive impairment that has led them to be transferred from their homes to long-term care facilities. Adapting roots to a hotter planet could ease pressure on food supply ScienceDaily: Latest Science News urn:uuid:4925edc4-9fd8-081c-d1b1-f85762faec55 Thu, 29 Jul 2021 13:34:26 -0500 The shoots of plants get all of the glory, with their fruit and flowers and visible structure. But it's the portion that lies below the soil — the branching, reaching arms of roots and hairs pulling up water and nutrients — that interests some plant physiologist and computer scientist the most. Planetary scientist puts Mars lake theory on ice with new study that offers alternate explanation ScienceDaily: Latest Science News urn:uuid:4d7f0691-7374-b95f-ae5c-7a024df524e9 Thu, 29 Jul 2021 13:34:24 -0500 For years scientists have been debating what might lay under the Martian planet's south polar cap after bright radar reflections were discovered and initially attributed to water. But now, a new study puts that theory to rest and demonstrates for the first time that another material is most likely the answer. New relevant target for PARP inhibitor talazoparib ScienceDaily: Latest Science News urn:uuid:0407e3d8-376e-e307-60f5-0f02b9f5a94a Thu, 29 Jul 2021 13:34:19 -0500 Researchers report the identification of a new target for the PARP inhibitor drug talazoparib and show that combination treatment with talazoparib and the WEE1 inhibitor adavosertib results in enhanced anti-cancer effects. Preventing childhood obesity requires changes in parents’ and clinicians’ early-life care ScienceDaily: Latest Science News urn:uuid:f8619fb1-6fd0-3883-0590-0f1d9cee367e Thu, 29 Jul 2021 13:34:14 -0500 Interventions to prevent obesity in children typically don't target the first 1,000 days of life - -a critical period in which environmental and nutritional cues can increase the risk for obesity. A new study demonstrates how changing parents' health behavior and how clinicians deliver care to mothers and infants decreased excess weight gain in infants. Mice treated with this cytokine lose weight by ‘sweating’ fat ScienceDaily: Latest Science News urn:uuid:d3c6e0ea-c9cb-75bb-48ad-4fc9fcf68050 Thu, 29 Jul 2021 13:34:12 -0500 Treating obese mice with the cytokine known as TSLP led to significant abdominal fat and weight loss compared to controls. The animal model findings support the possibility that increasing sebum production via the immune system could be a strategy for treating obesity in people. How to make up your mind when the glass seems half empty? ScienceDaily: Latest Science News urn:uuid:4f4bb4ba-50b9-30db-9edd-e24f79c98bcc Thu, 29 Jul 2021 11:22:21 -0500 Neuroscientists have connected some of the dots to reveal the brain networks that give anxiety influence over decisions. The group has published a review that synthesizes results from years of brain measurements in rats and primates and relates these findings to the human brain. Ancient, newly identified 'mammoth weevil' used huge 'trunk' to fight for mates ScienceDaily: Latest Science News urn:uuid:cc4e0ba4-b4d6-17ab-b5f9-f116d2584c5a Thu, 29 Jul 2021 11:22:18 -0500 New research has identified a 100-million-year-old weevil unlike any other known fossilized or living weevil.