Science News Science News Respective post owners and feed distributors Tue, 22 Jan 2013 09:53:08 -0600 Feed Informer Unlock your smartphone with earbuds ScienceDaily: Latest Science News urn:uuid:6b4ea7f1-cd59-9199-9c6e-21e4185ce665 Wed, 18 Sep 2019 17:45:04 -0500 A research team is developing EarEcho, a biometric tool that uses modified wireless earbuds to authenticate smartphone users via the unique geometry of their ear canal. A prototype of the system proved roughly 95% effective. Imaging reveals new results from landmark stem cell trial for stroke ScienceDaily: Latest Science News urn:uuid:50d67faa-a31c-ad54-0b68-3caeedc542b2 Wed, 18 Sep 2019 17:45:01 -0500 Researchers reported today that bone marrow cells used to treat ischemic stroke in an expanded Phase I trial were not only safe and feasible, but also resulted in enhanced recovery compared to a matched historical control group. Child's gluten intake during infancy, rather than mother's during pregnancy, linked to increased risk of developing type 1 diabetes ScienceDaily: Latest Science News urn:uuid:598441f8-13fa-f249-40d4-90ef415a59a2 Wed, 18 Sep 2019 17:44:59 -0500 New research shows that a child's intake of gluten at age 18 months is associated with a 46% increased risk of developing type 1 diabetes for each extra 10g of gluten consumed. When is a child an adult? ScienceDaily: Latest Science News urn:uuid:67c0bfa1-2f5c-321c-b969-172306450e43 Wed, 18 Sep 2019 17:44:56 -0500 When does childhood end? That's the question international researchers are asking as they chart age cut-offs for paediatric services around the world. Previous research has found that global health systems do not meet adolescents' needs, yet pediatricians are well placed to provide age-appropriate care to adolescents -- especially if they are trained in adolescent medicine. Despite growing burden of diet-related disease, medical education does not equip students to provide high quality nutritional care to patients ScienceDaily: Latest Science News urn:uuid:98d4a095-2c64-a831-ab30-06a436ec028f Wed, 18 Sep 2019 17:44:54 -0500 Worldwide, nutrition is insufficiently incorporated into medical education, meaning that medical students lack the confidence, skills and knowledge to provide nutritional care to patients, according to a systematic review. 'Tunabot: First robotic fish to keep pace with tuna ScienceDaily: Latest Science News urn:uuid:5da0374f-923c-6f13-8e56-b188b92218ad Wed, 18 Sep 2019 15:16:37 -0500 Mechanical engineers have created the first robotic fish proven to mimic the speed and movements of live yellowfin tuna. How rock expands near soil surface in Southern Sierra Nevada ScienceDaily: Latest Science News urn:uuid:755a2ae5-bd85-8f9d-5cfa-626cc6e15130 Wed, 18 Sep 2019 15:16:34 -0500 Weathering of subsurface rock in the Southern Sierra Nevada Mountains of California occurs due more to rocks expanding than from chemical decomposition. Closing in on 'holy grail' of room temperature quantum computing chips ScienceDaily: Latest Science News urn:uuid:3fb0bc3c-99b3-d0a5-ad54-b0fc982066b5 Wed, 18 Sep 2019 15:16:32 -0500 To process information, photons must interact. However, these tiny packets of light want nothing to do with each other, each passing by without altering the other. Now, researchers have coaxed photons into interacting with one another with unprecedented efficiency -- a key advance toward realizing long-awaited quantum optics technologies for computing, communication and remote sensing. Platinum-graphene fuel cell catalysts show superior stability over bulk platinum ScienceDaily: Latest Science News urn:uuid:433157ce-d522-642f-28f3-42977c9111d4 Wed, 18 Sep 2019 15:16:30 -0500 Films of platinum only two atoms thick supported by graphene could enable fuel cell catalysts with unprecedented catalytic activity and longevity, according to a new study. Green light given to fruit fly's color preference ScienceDaily: Latest Science News urn:uuid:36d93339-eb14-a70c-09ef-781cfe1f8ead Wed, 18 Sep 2019 15:16:26 -0500 Researchers have made two unexpected discoveries. First, they found that, given a choice, fruit flies are drawn to green light early in the morning and late in the afternoon, when they are most active, and to red, or dim light, in midday, when like many humans, they slow down to eat and perhaps take a siesta. Cutting emissions gradually will avert sudden jump in warming ScienceDaily: Latest Science News urn:uuid:decd3933-d76d-b4c6-d333-90216a222bcc Wed, 18 Sep 2019 15:16:23 -0500 Steadily reducing fossil fuel emissions over coming years will prevent millions of premature deaths and help avoid the worst of climate change without causing a large spike in short-term warming that some studies predict, new analysis from finds. The finding dispels the misconception that the air-quality and climate benefits of transitioning to clean energy play out at different timescales -- a sticking point in recent climate negotiations. Grizzly research reveals remarkable genetic regulation during hibernation ScienceDaily: Latest Science News urn:uuid:a4d10e83-16a0-9e9e-f86e-017385be697b Wed, 18 Sep 2019 15:16:19 -0500 New RNA sequencing-based genetic research shows grizzlies express a larger number of genes in preparation for, and during hibernation to cope with such stressors, than do any other species studied. Combination therapies could help treat fatal lung cancers ScienceDaily: Latest Science News urn:uuid:2b2c7dfe-87bb-7cad-afc4-b8049501a48a Wed, 18 Sep 2019 13:42:56 -0500 Combining a new class of drug with two other compounds can significantly shrink lung tumors in mice and human cancer cells, new research shows. The study looked at G12C KRAS inhibitors, a new type of drug that targets a specific mutation that can cause cells to multiply uncontrollably and lead to fast-growing cancers. New tool in fight against malaria ScienceDaily: Latest Science News urn:uuid:2f97b08e-b9b5-eba2-5710-8f48d4766ee4 Wed, 18 Sep 2019 13:42:53 -0500 Modifying a class of molecules originally developed to treat the skin disease psoriasis could lead to a new malaria drug that is effective against malaria parasites resistant to currently available drugs. Study of ancient climate suggests future warming could accelerate ScienceDaily: Latest Science News urn:uuid:5b84b1d0-4bf9-9784-10ee-b000dc9ad8d5 Wed, 18 Sep 2019 13:20:35 -0500 The rate at which the planet warms in response to the ongoing buildup of heat-trapping carbon dioxide gas could increase in the future, according to new simulations of a comparable warm period more than 50 million years ago. Dust from a giant asteroid crash caused an ancient ice age ScienceDaily: Latest Science News urn:uuid:d70179b4-e630-2703-7dfe-4290b82ebd85 Wed, 18 Sep 2019 13:20:25 -0500 About 466 million years ago, long before the age of the dinosaurs, the Earth froze. The seas began to ice over at the Earth's poles, and new species evolved with the new temperatures. The cause of this ice age was a mystery, until now: a new study argues that the ice age was caused by global cooling, triggered by extra dust in the atmosphere from a giant asteroid collision in outer space. A technological 'leap' in the Edomite Kingdom during the 10th century BCE ScienceDaily: Latest Science News urn:uuid:63a41392-d342-011f-6fe0-9cebe8bd1be5 Wed, 18 Sep 2019 13:08:04 -0500 During the late 10th century BCE, the emerging Edomite Kingdom of the southern Levant experienced a 'leap' in technological advancement. Shape-shifting robot built from 'smarticles' shows new locomotion strategy ScienceDaily: Latest Science News urn:uuid:716c8688-e1c9-416e-bb18-0a33872f512e Wed, 18 Sep 2019 13:07:59 -0500 Building conventional robots typically requires carefully combining components like motors, batteries, actuators, body segments, legs and wheels. Now, researchers have taken a new approach, building a robot entirely from smaller robots known as 'smarticles' to unlock the principles of a potentially new locomotion technique. Learning to read boosts the visual brain ScienceDaily: Latest Science News urn:uuid:edb07f6a-d40f-09bc-b00b-2257f8e978c7 Wed, 18 Sep 2019 13:07:43 -0500 How does learning to read change our brain? Does reading take up brain space dedicated to seeing objects such as faces, tools or houses? In a functional brain imaging study, a research team compared literate and illiterate adults in India. Reading recycles a brain region that is already sensitive to evolutionarily older visual categories, enhancing rather than destroying sensitivity to other visual input. Rethinking scenario logic for climate policy ScienceDaily: Latest Science News urn:uuid:a1e7b387-8026-5252-e383-73c20e0757e6 Wed, 18 Sep 2019 12:15:27 -0500 Current scenarios used to inform climate policy have a weakness in that they typically focus on reaching specific climate goals in 2100 - an approach which may encourage risky pathways that could have long-term negative effects. A new study presents a novel scenario framework that focuses on capping global warming at a maximum level with either temperature stabilization or reversal thereafter. Actions to save coral reefs could benefit all ecosystems ScienceDaily: Latest Science News urn:uuid:7253cc1f-4614-f04b-6ea8-e826cfe399de Wed, 18 Sep 2019 12:15:25 -0500 Scientists say bolder actions to protect the world's coral reefs will benefit all ecosystems, human livelihoods and improve food security. Six galaxies undergoing sudden, dramatic transitions ScienceDaily: Latest Science News urn:uuid:ae687cf5-b912-f5e2-fee1-b87499d7e7a1 Wed, 18 Sep 2019 12:15:18 -0500 Astronomers observed six mild-mannered LINER galaxies suddenly and surprisingly transforming into ravenous quasars -- home to the brightest of all active galactic nuclei. The team's observations could help demystify the nature of both LINERs and quasars while answering some burning questions about galactic evolution. Based on their analysis, the researchers suggest they have discovered an entirely new type of black hole activity at the centers of these six LINER galaxies. New drug target in fight against cancer ScienceDaily: Latest Science News urn:uuid:79da4cd1-5f16-a279-baa3-8b8cbb59f4cd Wed, 18 Sep 2019 12:15:16 -0500 Researchers have discovered how a cancer-linked version of the protein mitoNEET can close voltage-dependent anion channels (VDAC), primary gateways in the outer surface of mitochondria. The researchers detail how mitoNEET regulates VDAC, and they show that the interactions between the two proteins could be disrupted by a drug that targets VDAC. Towards better hand hygiene for flu prevention ScienceDaily: Latest Science News urn:uuid:096780be-84a5-a214-63ec-0be5bbbf3dea Wed, 18 Sep 2019 12:15:05 -0500 Rubbing hands with ethanol-based sanitizers should provide a formidable defense against infection from flu viruses, which can thrive and spread in saliva and mucus. But new findings challenge that notion -- and suggest that there's room for improvement in this approach to hand hygiene. Greenland's growing 'ice slabs' intensify meltwater runoff into ocean ScienceDaily: Latest Science News urn:uuid:5db8472a-36c3-badd-a3a8-0a5973f8de3d Wed, 18 Sep 2019 12:15:03 -0500 Thick, impenetrable ice slabs are expanding rapidly on the interior of Greenland's ice sheet, where the ice is normally porous and able to reabsorb meltwater. These slabs are instead sending meltwater spilling into the ocean, according to a new assessment, threatening to increase the country's contribution to sea level rise by as much as 2.9 inches by 2100. Fast MRIs offer alternative to CT scans for pediatric head injuries ScienceDaily: Latest Science News urn:uuid:1ae6066c-e184-2542-6c30-84d512fd6325 Wed, 18 Sep 2019 12:14:59 -0500 Researchers have released a study that shows that a new imaging method 'fast MRI' is effective in identifying traumatic brain injuries in children, and can avoid exposure to ionizing radiation and anesthesia. 3D virtual reality models help yield better surgical outcomes ScienceDaily: Latest Science News urn:uuid:b650672b-d0e7-0197-429b-ed905b359b38 Wed, 18 Sep 2019 12:14:57 -0500 A new study has found that using three-dimensional virtual reality models to prepare for kidney tumor surgeries resulted in substantial improvements, including shorter operating times, less blood loss during surgery and a shorter stay in the hospital afterward. Study questions routine sleep studies to evaluate snoring in children ScienceDaily: Latest Science News urn:uuid:f81f24b2-c929-6093-c88c-51722a1c86e8 Wed, 18 Sep 2019 12:14:55 -0500 A new finding suggests that the pediatric sleep study -- used to diagnose pediatric sleep apnea and to measure improvement after surgery -- may be an unreliable predictor of who will benefit from having an adenotonsillectomy. Brain tumors form synapses with healthy neurons ScienceDaily: Latest Science News urn:uuid:1725c290-0b1d-bf29-de83-bf3bf47b3993 Wed, 18 Sep 2019 12:14:53 -0500 Scientists have shown for the first time that severe brain cancers integrate into the brain's wiring. Babies' gut bacteria affected by delivery method ScienceDaily: Latest Science News urn:uuid:d35e1d8d-15a3-19ac-4c5e-a5eec02c0854 Wed, 18 Sep 2019 12:14:47 -0500 Babies born vaginally have different gut bacteria -- their microbiome -- than those delivered by caesarean, research has shown. Scientists discovered that whereas vaginally born babies got most of their gut bacteria from their mother, caesarean babies instead had more bacteria associated with hospital environments in their guts. It isn't known if these differences at birth will have any effect on later health. The path of breast-to-brain cancer metastasis ScienceDaily: Latest Science News urn:uuid:4c2a5081-4f04-ac15-6beb-78d146060292 Wed, 18 Sep 2019 12:14:42 -0500 Scientists have discovered a signaling pathway that breast tumors exploit to metastasize to the brain. Undervalued wilderness areas can cut extinction risk in half ScienceDaily: Latest Science News urn:uuid:1787d9e9-a1a3-9b6d-c94a-13a0f090c9b8 Wed, 18 Sep 2019 12:14:40 -0500 Wilderness areas, long known for intrinsic conservation value, are far more valuable for biodiversity than previously believed, and if conserved, will cut the world's extinction risk in half, according to a new study. 'Poor man's qubit' can solve quantum problems without going quantum ScienceDaily: Latest Science News urn:uuid:a7beaa01-be75-4eb2-9153-09d4e979481a Wed, 18 Sep 2019 12:14:37 -0500 Researchers have built and demonstrated the first hardware for a probabilistic computer, a possible way to bridge the gap between classical and quantum computing. Modeling a model nanoparticle ScienceDaily: Latest Science News urn:uuid:5e199a51-33de-9d18-6203-4b4a56386de6 Wed, 18 Sep 2019 11:59:59 -0500 New research introduces the first universal adsorption model that accounts for detailed nanoparticle structural characteristics, metal composition and different adsorbates, making it possible to not only predict adsorption behavior on any metal nanoparticles but screen their stability, as well. Obesity associated with abnormal bowel habits -- not diet ScienceDaily: Latest Science News urn:uuid:3aecfd5e-1752-a274-f4a4-e1f5ea41e562 Wed, 18 Sep 2019 11:59:40 -0500 Because researchers demonstrated for the first time that a strong association between obesity and chronic diarrhea is not driven by diet or physical activity, the findings could have important implications for how physicians might approach and treat symptoms of diarrhea in patients with obesity differently. Laser prototype for space-based gravitational wave detector ScienceDaily: Latest Science News urn:uuid:018531c2-5402-931a-46f1-436f2f261450 Wed, 18 Sep 2019 11:45:29 -0500 Researchers have announced a prototype for a laser at the heart of the first space-based gravitational wave observatory, known as the Laser Interferometer Space Antenna (LISA) mission. Law-like progression of weapons technologies ScienceDaily: Latest Science News urn:uuid:6a3eef9c-ff01-1f7e-eed3-1c981c7f82ee Wed, 18 Sep 2019 11:45:25 -0500 Anticipating the technology and weapon systems of our future Army might not be entirely daunting, new research finds. New factor in the development of childhood lymphoma ScienceDaily: Latest Science News urn:uuid:c5400a4e-1236-32c5-a9e2-5d93d4f7dd8b Wed, 18 Sep 2019 11:45:16 -0500 The immune system is highly complex and a detailed understanding of many underlying mechanisms is still lacking. Only the precise interaction of a variety of factors guarantees a reliable and correct immune response in a healthy body. Misregulated immune responses are a major cause of a variety of diseases, including cancer, autoimmunity, and immune deficiency. New tool improves beekeepers' overwintering odds and bottom line ScienceDaily: Latest Science News urn:uuid:7104d97c-3557-b1fe-dbe9-ccd9171cd4cf Wed, 18 Sep 2019 11:30:34 -0500 A new tool can predict the odds that honey bee colonies overwintered in cold storage will be large enough to rent for almond pollination in February. Identifying which colonies will not be worth spending dollars to overwinter can improve beekeepers' bottom line. Coastal birds can weather the storm, but not the sea ScienceDaily: Latest Science News urn:uuid:cafab114-1771-8677-8a5d-8c1f67d58e50 Wed, 18 Sep 2019 11:25:08 -0500 Coastal birds survive because their populations can absorb impacts and recover quickly from hurricanes -- even storms many times larger than anything previously observed. Scientists forecasted late May tornado outbreak nearly 4 weeks in advance ScienceDaily: Latest Science News urn:uuid:f0363e2e-d980-e81a-c146-9fd275792350 Wed, 18 Sep 2019 11:25:06 -0500 Scientists report that they accurately predicted the nation's extensive tornado outbreak of late May 2019 nearly 4 weeks before it began. Interactions between bacteria and parasites ScienceDaily: Latest Science News urn:uuid:a3cf52b9-efc1-36a7-b2b2-6babad025dc9 Wed, 18 Sep 2019 11:25:04 -0500 A team has completed the first study of the effects of a simultaneous infection with blood flukes (schistosomes) and the bacterium Helicobacter pylori -- a fairly common occurrence in some parts of the world. They identified a complex interaction which resulted -- among other effects -- in a weakening of the adverse impact of the pathogens acting individually. DNA 'origami' takes flight in emerging field of nano machines ScienceDaily: Latest Science News urn:uuid:c185e97f-9c3b-6faf-8468-8327e9f37e04 Wed, 18 Sep 2019 11:25:01 -0500 'DNA mechanotechnology' is a new field to engineer DNA machines that generate, transmit and sense mechanical forces at the nanoscale. Supportive relationships in childhood leads to longer lives ScienceDaily: Latest Science News urn:uuid:d8644638-b40c-d5f2-ab9f-84833c29a855 Wed, 18 Sep 2019 11:24:59 -0500 Individuals raised in families with higher socioeconomic status were more optimistic in midlife, and in turn, lived longer. Those who experienced more psychosocial stressors, such as parental death, frequent moves and harsh discipline, tended to encounter more stressful life events in midlife, and had greater risk of dying early. Researchers find new ways to improve CPR ScienceDaily: Latest Science News urn:uuid:441509a1-635f-fa0e-94b1-186c6384526c Wed, 18 Sep 2019 11:12:04 -0500 An international research consortium was able to identify what is likely an optimal combination of chest compression frequency and depth when performing CPR. Mechanism modeling for better forecasts, climate predictions ScienceDaily: Latest Science News urn:uuid:9bbe5689-9753-2a69-52ec-06b867512a4e Wed, 18 Sep 2019 11:12:00 -0500 Modeling currents together with wind and waves provides more accurate predictions for weather forecasts and climate scientists. Preference for fentanyl higher among young, white, frequent opioid users ScienceDaily: Latest Science News urn:uuid:7b2f9d50-3508-f077-eb7a-67359d72ef99 Wed, 18 Sep 2019 10:59:18 -0500 A minority of people who use illicit opioids indicated a preference for fentanyl, the super-potent synthetic opioid that accounts for much of the recent rise in US overdose deaths, according to a new study. Ecologists find strong evidence of fishing down the food web in freshwater lake ScienceDaily: Latest Science News urn:uuid:569ab14c-e8d2-69db-6d9d-7986cea22806 Wed, 18 Sep 2019 10:59:14 -0500 Research by ecologists shows strong evidence in a freshwater lake of 'fishing down the food web' - the deliberate shift away from top predatory fish on the food chain to smaller species closer to the base. While the effect has historically been observed almost exclusively in marine ecosystems and ocean fisheries, there has been little evidence of the effect in freshwater ecosystems. Prevalence of screening for social needs ScienceDaily: Latest Science News urn:uuid:f9fb07fb-fcf7-bc8b-d645-66cf1237ce1d Wed, 18 Sep 2019 10:36:18 -0500 A new study finds that most US physician practices and hospitals report screening patients for at least one social need, a trend that is expected to increase in the future, and that practices that care for disadvantaged patients report higher screening rates. Porcupinefish inspires sturdy superhydrophobic material ScienceDaily: Latest Science News urn:uuid:3e89c84a-d0f4-fdd2-21f9-250cca9058d9 Wed, 18 Sep 2019 10:36:13 -0500 Nature has evolved a dazzling array of materials that help organisms thrive in diverse habitats. Sometimes, scientists can exploit these designs to develop useful materials with similar or completely new functions. Now, researchers have made a durable and flexible super-water-repelling material inspired by spiky porcupinefish skin.