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You can now perform supercomputer simulations of the heart's electrophysiology in real time on desktop computers and even cellphones. A team of scientists developed a new approach that can not only help diagnose heart conditions and test new treatments, but pushes the boundaries of cardiac science by opening up a floodgate of new cardiac research and education.

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Researchers have found that some preterm babies born without haptoglobin, a protein in blood cells, have higher odds of brain bleeding, cerebral palsy and death. Their findings suggest that the absence of the protein could serve as a potential biomarker indicating a need for increased monitoring or other preventive interventions.

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Archaeologists used the latest technology to find evidence suggesting ancient Maya people grew surplus crops to support an active trade with neighbors up and down the Yucatan Peninsula. The extensive croplands suggest the ancient Maya could grow surplus crops, especially the cotton responsible for the renowned textiles that were traded throughout Mesoamerica.

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Researchers announce a two-pronged approach to both measure and self-adjust the spectral power distributions (SPDs) of LED lighting systems. Their methodology demonstrates the system's ability to maintain consistency and stability over an extended period of time.

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Although organ failure can be fatal, your kidneys, heart, and liver are prepared for this catastrophe. Emerging research supports the finding that two cell populations quickly respond and work together to restore a non-functioning, or failing, organ. First, the surviving cells go into overdrive, working to keep the organ functioning while stem-like cells replace damaged tissue. A Review explores how this dual-response can save lives.

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Researchers found high concentrations of mercury, arsenic, and lead, in blood samples obtained from Great white sharks in South Africa. The samples had levels that would be considered toxic to many animals.

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The Chesapeake Bay -- about 235 miles down the Susquehanna River from New York's Southern Tier -- and other waterways might grow cleaner, thanks to new updates and improvements in a Cornell dairy nutrition model.

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Researchers have designed two types of nano-sized building blocks that can automatically connect into cubes and scramble back into individual components based on the temperature of their environment. This accomplishment is another step towards chemical systems that more realistically mimic life. 'Imagine mixing two liquids together, like ink and water. They will automatically do the simple chemical process of dispersing until they are perfectly mixed,' said Professor Shuichi Hiraoka of the University of Tokyo.

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Getting big molecules into cells isn't easy, and it isn't easy on the cells, either. Bulk electroporation blows holes throughout the cell and can kill many of them. Viruses like AAV have limited capacity for macromolecules like Cas9, and lentivirus has safety issues. A new, gentler form of electroporation, called nanoEP, causes less trauma to cells and is more efficient, potentially boosting delivery of large molecules for gene editing or CAR T-cell immunotherapy.

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Researchers report on a novel four-year, randomized clinical trial evaluating different home-based methods to assess cognitive function and decline in participants over the age of 75.

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In a study of people with nonalcoholic fatty liver disease and their twins and other close relatives, researchers were able to diagnose liver cirrhosis simply by analyzing a person's stool microbes.

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Until now, systems engineers have struggled with the problem of planning for disaster impacts that are linked by correlation -- like those of earthquakes and tsunamis -- because of the cumbersome calculations necessary to precisely quantify the probabilities of all possible combinations of disruption occurrences. Now researchers have developed a new method for designing and optimizing systems subject to correlated disruptions.

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Fox News Breaking News Alert

Top-seeded Duke defeated by Michigan State as Spartans advance to NCAA Final Four

03/31/19 4:15 PM

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2 Marine pilots killed in Arizona helicopter crash, officials say

03/31/19 2:12 PM

Researchers are turning autism interventions on their head with a stand-out sports program that's training coaches how to best achieve results for students with autism.

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Donald Trump Jr. joins Howard Kurtz on 'Media Buzz' at 11am ET

03/31/19 7:46 AM

Laptops to Stay in Bags as TSA Brings New Technology to Airports
27 by emptybits | 16 comments on Hacker News.

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Paleontologists have discovered the first-confirmed occurrence of a lambeosaurine (crested 'duck-billed' dinosaur) from the Arctic -- part of the skull of a lambeosaurine dinosaur from the Liscomb Bonebed (71-68 Ma) found on Alaska's North Slope. The discovery proves for the first time that lambeosaurines inhabited the Arctic during the Late Cretaceous.

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A new study maps out the increase and spread of the Asian longhorned tick, a new species identified last summer in Westchester and Staten island. What's particularly alarming is that the tick is notorious for its ability to quickly clone itself through asexual reproduction, or reproduce sexually, laying 1,000-2,000 eggs at a time.

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Researchers have linked disruption of a child's gastrointestinal microbiome triggered by early-life adversity -- such as parental separation -- with activity in the regions of the brain associated with emotional health.

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Results from a new study has found that an association between shorter stature and higher risk of heart disease is mainly attributed to our lungs.

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Offering financial aid to cover childcare costs for female academics attending conferences is one of the suggestions offered by researchers who surveyed Australian women on how caring for children has affected their careers. They also recommend institutions and funding bodies that use publication and citation benchmarks as a key criteria for appointment, promotion and the awarding of grants should adjust those to cater for women who have cared for children.

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New research extends the growing biological understanding of how different parts of corn plants develop, which is important information for a crop that is a mainstay of the global food supply.

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Using proteins derived from jellyfish, scientists assembled a complex sixteen protein structure composed of two stacked octamers by supercharging alone. This research could be applied to useful technologies such as pharmaceutical targeting, artificial energy harvesting, 'smart' sensing and building materials, and more. Computational modeling through XSEDE allocations on Stampede2 (TACC) and Comet (SDSC) refined measurements of structure.

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The study showed successful weight-loss maintainers rely on physical activity to remain in energy balance (rather than chronic restriction of dietary intake) to avoid weight regain. Successful weight-loss maintainers are individuals who maintain a reduced body weight of 30 pounds or more for over a year. The study, published in the March issue of Obesity, was selected as the Editor's Choice article.

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Academic experts in natural language processing who are interested in deception have compared the language used within written April Fools hoaxes and fake news stories. They have discovered that there are similarities in the written structure of humorous April Fools hoaxes -- the spoof articles published by media outlets every April 1 -- and malicious fake news stories.

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One important requirement to see quantum effects is to remove all thermal energy from the particle motion, i.e. to cool it as close as possible to absolute zero temperature. Researchers are now one step closer to reaching this goal by demonstrating a new method for cooling levitated nanoparticles.

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Chemists show how PTFE - aka Teflon - in standard lab stir bars affects a chemical reaction used to reduce nanotubes, skewing the results.

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Paleontologists have found a fossil site in North Dakota that contains animals and plants killed and buried within an hour of the meteor impact that killed the dinosaurs 66 million years ago. This is the richest K-T boundary site ever found, incorporating insects, fish, mammals, dinosaurs and plants living at the end of the Cretaceous, mixed with tektites and rock created and scattered by the impact. The find shows that dinosaurs survived until the impact.

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Fox News Breaking News Alert

Mueller’s investigative report will be released to Congress by ‘mid-April, if not sooner,’ AG Barr says in letter

03/29/19 12:21 PM

Scientists have found the most efficient length for cilia, the tiny hair-like structures designed to sweep out the body's fluids, cells and microbes to stay healthy.

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Experts have used an innovative approach to model the proposed reintroduction of the Eurasian lynx to Scotland.

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Polygenic scores developed by studying Europeans do a better job at predicting disease risk for people of European ancestry than for those of other ancestries.

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Scientists argue that new plant breeding technologies can contribute significantly to food security and sustainable development. Genome editing techniques in particular, such as CRISPR/Cas, could help to make agriculture more productive and environmentally friendly. The researchers advocate the responsible use and support of these new technologies.

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A sweeping new census estimates 52,800 western chimpanzees (Pan troglodytes verus) live in eight countries in western Africa, with most of them found outside of protected areas, some of which are threatened by intense development pressures.

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In addition to humans, hereditary disorders of enamel development occur in dogs, greatly impacting their dental health and wellbeing. A recent study reveals canine enamel disorders similar to those found in humans, linking them with ENAM and ACP4, two genes previously described in humans.

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This star-studded image shows us a portion of Messier 11, an open star cluster in the southern constellation of Scutum (the Shield). Messier 11 is also known as the Wild Duck Cluster, as its brightest stars form a 'V' shape that somewhat resembles a flock of ducks in flight.

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A research team from the University of Delaware has developed cutting-edge technology for photonics devices that could enable faster communications between phones and computers.

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Linda McMahon to step down as head of SBA, source tells Fox News

03/29/19 10:05 AM

New findings indicate changes in soil biodiversity are driven by changes in plant cover and soil acidification during ecosystem development.

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By KATE CONGER and MICHAEL J. de la MERCED from NYT Technology https://ift.tt/2uBkJ2O
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Researchers have shown, in mice, that one type of stem cell that makes adult neurons is the source of this lifetime stock of new cells in the hippocampus. These findings may help neuroscientists figure out how to maintain youthful conditions for learning and memory, and repair and regenerate parts of the brain after injury and aging.

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Neuroscientists have developed a new animal model of schizophrenia that will enable researchers around the world to better understand the disease and develop new treatments. Schizophrenia, which affects around seven people in 1,000, is a poorly understood group of mental disorders that disrupt cognition and behavior. The precise neurological cause of schizophrenia is unknown and the development of better treatments are urgently needed. This research will provide a model to begin to address some of the underlying fundamental mechanisms involved.

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An international team of researchers was studying the acoustic communications of certain miniature frogs. When they discovered that Brachycephalus ephippium could not hear its own mating calls, they searched for alternative visual signals the frogs could use to communicate instead. Unexpectedly, when they shone an ultra-violet (UV) lamp on the frogs, their backs and heads glowed intensely.

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The bizarre optical properties of tiny metal particles -- smaller than light waves -- can be captured on paper to detect even a single target molecule in a test sample. These hyper-sensitive testing devices could be assembled and customized at the point of use in low-resource environments, with virtually limitless applications spanning medicine, forensics, manufacturing and environmental safety.

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Dietary intake of two fatty acids, omega-3 and omega-6, may have opposite effects on the severity of asthma in children and may also play opposite roles in modifying their response to indoor air pollution, according to new research.

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Researchers have teamed up with educators, public health practitioners and grade seven students in Ontario to develop and implement a new approach to delivering school-based vaccines that improves student experience.

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Low levels of oxygen in the womb -- which can be caused by smoking or conditions such as preeclampsia -- may cause problems with fertility later in life, a study carried out in rats suggests.

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Physicists have performed the first run of a new experiment to detect axions -- hypothetical particles that are predicted to be among the lightest particles in the universe. The team reports that in the first month of observations, the experiment detected no sign of axions within the mass range of 0.31 to 8.3 nanoelectronvolts. This means that axions within this mass range either don't exist or they have an even smaller effect on electricity and magnetism than previously thought.

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A common bacterial pathogen called Pseudomonas aeruginosa produces a virus that substantially increases the pathogen's ability to infect us, according to a new study.

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Fungus can imitate signals from our immune system and prevent our body from responding to infection, new research has found.

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A new study sheds light on one way tumors may continue to grow despite the presence of cancer-killing immune cells. The findings suggest a way to enhance the effectiveness of immunotherapies for cancer treatment.

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Studying a brain region involved in memory, researchers discovered a set of neurons that help mice control their appetite.

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Understanding when and why invasive species populations crash could help managers decide when and where to apply control efforts. After all, invasive species cost the US economy more than $120 billion dollars annually in control and lost grazing, crop yield, and tourism revenue. Could land managers simply wait out some invasions? A new study aims to find out.

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A research group has identified 30 genes associated with schizophrenia. The team was able to show which pathological changes in the brain and behavioral abnormalities are triggered by these genes.

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A study has uncovered a new strategy that can potentially treat age-related disease and decline. The report shows that restoring the activity of a class of enzymes called sirtuins with a small compound stabilized telomeres and reduced DNA damage, which in turn improved liver disease in a mouse model. This study suggests that maintaining telomere length might help sustain the regenerative capacity of cells and tissues and improve disease outcome.

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For the first time, a person living with HIV has donated a kidney to a transplant recipient also living with HIV. A multidisciplinary team completed the living donor HIV-to-HIV kidney transplant on March 25, 2019. The doctors say both the donor and the recipient are doing well.

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Consumers may not consciously differentiate nutrition and health claims on foods in the way that regulatory experts do, new research reports.

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A multi-institutional team of researchers has assessed how environmental, demographic, and genetic factors play a role in the reintroduction of bull trout in Washington State.

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A research team has developed tiny optical elements from metal nanoparticles and a polymer that one day could replace traditional refractive lenses to realize portable imaging systems and optoelectronic devices.

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Feather mites help to remove bacteria and fungi from the feathers of birds, according to a new study. In fact, the relationship between these mites and their hosts could be considered mutualism, with bird feathers collecting food for mites to eat and mites providing the birds with healthier plumage.

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Researchers have developed a method to grow and maintain olfactory stem cells. The work is a launch pad for developing stem cell transplantation therapies or pharmacologic activation of a patient's own dormant cells, to restore the sense of smell where it has been damaged by injury or degeneration.

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As many as a billion people could be newly exposed to disease-carrying mosquitoes by the end of the century because of global warming, says a new study that examines temperature changes on a monthly basis across the world.

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A new map of brain tissue in people with HIV shows atrophy in several areas including a primary neurocognitive control center where shrinkage and loss of function can be seen in scans before clinical symptoms appear.

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Trump tells supporters at Michigan rally after Mueller probe: 'The collusion delusion is over'

03/28/19 4:34 PM

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Human-induced climate change is disrupting nature's calendar, including when plants bloom and the spring season starts, and new research suggests we're increasingly paying the price for it in the form of seasonal allergies. The study, based on over 300,000 respondents between 2002 and 2013, shows that hay fever allergies increase when the timing of spring 'greenup' changes.

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For the first time, researchers have revealed the molecular structure of membranes used in reverse osmosis.

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In the future, ultrahigh-speed spintronics will require ultrafast coherent magnetization reversal within a picosecond. While this may eventually be achieved via irradiation the small change of magnetization it generates has so far prevented any practical application of this technique. Now researchers report that they have explored ferromagnetic nanoparticles embedded within a semiconductor. Their theory was that the electric field of the terahertz pulse could be effectively applied to each nanoparticle.

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This type of learning transfer opens the door for applying basic cognitive science research to help patients with vision loss.

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In a breakthrough study of sickle cell disease, biomedical engineers have revealed that the building blocks of the disease are much less efficient at organizing than previously thought. The findings open the door to new treatments, including new medicines that could be prescribed at lower doses, for the approximately 20 million people worldwide who suffer from the lifelong disease.

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Effective treatment of clinical depression remains a major mental health issue, with roughly 30 percent of patients who do not respond to any of the available treatments. Researchers have discovered a crucial receptor called mGlu2 that is critical to the mechanism of fast-acting antidepressants such as ketamine when used to treat depression.

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Biologists have found that aging takes a toll on intestinal stem cells and may contribute to increased susceptibility to disorders of the gastrointestinal tract. The researchers could also reverse this effect in aged mice by treating them with an NAD precursor, which helps boost the population of intestinal stem cells.

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Biomedical researchers plan to create the Pediatric Cell Atlas, a powerful new resource for fine-grained scientific understanding of human growth and development. Drawing on dramatic recent advances in technology, the Atlas will offer an unprecedented window into the unique biology of children by benchmarking healthy and abnormal tissues at the level of single cells -- the basic units of biology.

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A little goes a long way. Tiny blood vessels are essential for regenerative engineering and a team led by engineers has detailed innovative methods to ensure highly aligned, dense and mature microvasculature in engineered tissue that can be used for cardiac patches.

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Researchers are targeting a metabolic pathway, the dihydrofolate reductase pathway, crucial for amino acid synthesis to treat TB infections.

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Scientists have named five new species of frogs found across the island of Madagascar. The largest could sit on your thumbnail, the smallest is hardly longer than a grain of rice.

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A new sophisticated computational model is bringing an innovative method of diagnosing rare hereditary conditions.

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The mechanism produces airflow that removes pathogens present in the air of a hospital room.

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A new green surfactant for efficient enhanced oil recovery (EOR) has been developed.

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Large numbers of U.S. physicians and medical trainees engage in hands-on clinical experiences abroad where they gain skills working across cultures with limited resources. However, providers from low- and middle-income countries traveling to learn from health care in the United States are rarely afforded the same critical hands-on education.

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New findings have emerged about five tiny moons nestled in and near Saturn's rings. The closest-ever flybys by NASA's Cassini spacecraft reveal that the surfaces of these unusual moons are covered with material from the planet's rings -- and from icy particles blasting out of Saturn's larger moon Enceladus. The work paints a picture of the competing processes shaping these mini-moons.

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Maybe running comes easy, each stride pleasant and light. Maybe it comes hard, each step a slog to the finish. Either way, the human body is constantly calibrating, making microscopic adjustments to keep us from falling as we weekend-warrior our way to greatness.

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Bioscientists have learned to 3D-print scaffolds that may help heal osteochondral injuries of the sort suffered by many athletes.

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While many advancements have been in improving its efficiency, the refrigerator still consumes considerable energy each year. So researchers in China are working to minimize the cold loss that occurs at the thermal barrier between inside the freezer and outside the fridge. They hypothesized that using part of the cold loss to cool the fresh food compartment could be a promising solution.

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Researchers have developed a new model allowing them to observe the key drivers of phytoplankton growth (blooms) patterns in the seas surrounding the United Kingdom.

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In the latest update in the field of adult neurogenesis, a team of researchers has shown in mice that a single lineage of neural progenitors contributes to embryonic, early postnatal, and adult neurogenesis in the hippocampus, and that these cells are continuously generated throughout a lifetime.

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A medicine currently being tested as a chemoprevention agent for multiple types of cancer has more than one trick in its bag when it comes to preventing stomach cancer, researchers have discovered.

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When researchers examined mice that had recovered from severe influenza, they came upon a surprising discovery: Taste bud cells had grown in the animals' lungs. The team believes the cells may play a role in immunity.

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In utero exposure to nicotine has postnatal effects on development of the heart and its response to adrenalin and may contribute to explanation of why some babies do not wake up during sleep apnea, according to a new study.

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A new class of biomaterial developed by researchers for an infectious disease nanovaccine effectively boosted immunity in mice with metabolic disorders linked to gut bacteria -- a population that shows resistance to traditional flu and polio vaccines.

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Increased human activity around one of Africa's most iconic ecosystems is 'squeezing the wildlife in its core', damaging habitation and disrupting the migration routes of wildebeest, zebra and gazelle, an international study has concluded.

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Researchers have discovered a special phenomenon of magnetism in the nano range. It enables magnets to be assembled in unusual configurations. This could be used to build computer memories and switches to increase the performance of microprocessors.

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New research suggests that deep groundwater could still be active on Mars and could originate surface streams in some near-equatorial areas on Mars.

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For the first time, scientists have engineered the complex biological process of translation into a designer organelle in a living mammalian cell. Researchers used this technique to create a membraneless organelle that can build proteins from natural and synthetic amino acids carrying new functionality.

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An international study has found a fungal disease has caused dramatic population declines in more than 500 amphibian species, including 90 extinctions, over the past 50 years.

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Our brains' neural circuitry creates spatial maps as we navigate through new environments, allowing us to recall locations and directions. While it's been known for some time that we have these internal maps, a study shows how, in rats, those maps get redrawn when the rats learn they'll receive a reward at a certain place on the map.

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A woman in Scotland can feel virtually no pain due to a mutation in a previously-unidentified gene, according to a research article. She also experiences very little anxiety and fear, and may have enhanced wound healing due to the mutation, which the researchers say could help guide new treatments for a range of conditions.

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Fur remains found in burial sites demonstrate the importance of hunting traditions in Iron Age Finland and Lapland all the way to the 17th century. According to a recently completed study, they speak of a relationship between humans and animals.

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Researchers found that maximizing men -- those who seek to make the 'best' choice -- who had attractive wives were more satisfied at the start of their marriages than maximizing men who had less attractive wives, and maximizing women who had high status husbands experienced less steep declines in satisfaction over time than maximizing women who had low status husbands.

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Asking a different question about the bacteria in our microbiomes might help target disease more precisely.

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Researchers provide first conclusive evidence linking widespread ocean oxygen loss and rising sea levels to a 430-million-year-old mass extinction event.

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'Big data' and large-scale analyses are critical for biodiversity research to find out how animal and plant species are distributed worldwide and how ecosystems function. The necessary data may come from many sources: museum collections, biological literature, and local databases. Researchers have investigated how this wealth of knowledge can best be integrated so that it can be transported into the digital age and used for research.

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Americans with more formal education fare better on science-related questions, while Republicans and Democrats are roughly similar in their overall levels of science knowledge, according to a new study.

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A team of researchers has developed a bimorph deformable mirror that allows for precise shape modification and usage under vacuum, a world first.

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Communication and being in a happy relationship, along with health, are important for sexual satisfaction among older people, according to new research.

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Playing games in virtual reality (VR) could be a key tool in treating people with neurological conditions such as autism, schizophrenia and Parkinson's disease. The technology, according to a recent study, could help individuals with these conditions shift their perceptions of time, which their conditions lead them to perceive differently.

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A small asteroid has been caught in the process of spinning so fast it's throwing off material, according to new data.

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Researchers have found a new way to make cathodes for lithium batteries, offering improvements in the amount of power for both a given weight and a given volume.

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Female mosquitoes are known to rely on an array of sensory information to find people to bite, picking up on carbon dioxide, body odor, heat, moisture, and visual cues. Now researchers have discovered how mosquitoes pick up on acidic volatiles found in human sweat.

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Researchers are looking to nature for inspiration in developing a new method of underwater plasma generation using shrimp as a model - a discovery that could provide significant improvements for actions ranging from water sterilization to drilling.

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Tiny fragments of plastic in the ocean are consumed by sea anemones along with their food, and bleached anemones retain these microfibers longer than healthy ones, according to new research. The work is the first-ever investigation of the interactions between plastic microfibers and sea anemones, which are closely related to corals.

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New research links walnut consumption as a contributing factor that could suppress growth and survival of breast cancers.

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Researchers have uncovered a 'druggable' mechanism of pathological tau protein aggregation -- a significant advance toward finding an effective treatment for early-stage neurodegenerative diseases.

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Fox News Breaking News Alert

Adam Schiff urged to step down by GOP members on House Intelligence Committee

03/28/19 6:35 AM

Learning one's native language may seem effortless. But new research suggests that language acquisition between birth and 18 is a remarkable feat of cognition, rather than something humans are just hardwired to do.

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In a paper appearing in April's issue of Animal Behaviour researchers decipher the instructive messages encoded in the insects' movements, called waggle dances.

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Though there is a wealth knowledge supporting the idea that sensory cues benefit motor learning, the precise brain circuitry and mechanisms tying these two together has been debated in recent years. Shedding new light on this topic, new research has revealed that a special input pathway into the cerebellum seems to hold the key to coding sensory information.

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FBI and Justice Department to review Jussie Smollett's case, Trump says

03/28/19 4:03 AM

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Computers which are capable of teaching themselves to predict premature death could greatly improve preventative healthcare in the future, a new study suggests

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Historical tortoiseshell trade routes may have established the groundwork for modern illegal, unreported and unregulated (IUU) fishing, according to new research. The study also concludes that the tortoiseshell trade harvested nine million turtles, more than six times previous estimates.

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The neurobiology of turtle ants differs significantly according to their specialized role within the colony, according to a new study.

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Powerball numbers drawn for $750 million jackpot

03/27/19 8:19 PM

Fox News Breaking News Alert

Trump vows to release FISA docs with Mueller probe concluded, slams 'treasonous' FBI in 'Hannity' interview

03/27/19 6:54 PM

Radiation therapy may increase the uptake of therapeutic nanoparticles by glioblastomas, raising the possibility of using both growth-factor-targeted and immune-system-based therapies against the deadly brain tumor, according to a new study.

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PROGRAMMING ALERT: President Trump reacts to Mueller report findings on 'Hannity,' 9 pm ET on Fox News

03/27/19 5:35 PM

Social media had only a small influence on how much people believed falsehoods about candidates and issues in the last two presidential elections, a pair of new national studies found. And Facebook -- which came under fire for spreading misinformation in the 2016 campaign -- actually reduced misperceptions by users in that election compared to those who consumed only other social media.

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A new study shows that elite women weightlifters have the same amount, and in some cases more, of the muscle fibers needed for the sport compared to their male counterparts.

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Roundworms that feed on plants cause approximately $100 billion in annual global crop damage. Now researchers have made a patent-pending discovery that certain enzymes in roundworms, called nematodes, behave differently than the same enzymes in humans, with amino acids potentially playing a key role.

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