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Latest Science News -- ScienceDaily

Published: Feb 18, 2018 6:54:01 AM
  • Feb 17, 2018 4:39:16 PM
    Animal traffickers are taking advantage of remote ivory trade routes to smuggle pangolins – one of the world’s most endangered animals – out of Central Africa, a new study has found.
  • Feb 17, 2018 4:36:48 PM
    Scientists have completed the first major material survey and study of the Musee national Picasso-Paris' Pablo Picasso bronzes using portable instruments. They used the instruments and a database of alloy 'fingerprints' to non-invasively analyze a group of 39 bronzes and 11 painted sheet metal sculptures, revealing new details about the modern master's art.
  • Feb 17, 2018 4:36:45 PM
    Scientists have used multiple modes of light to uncover details hidden beneath the visible surface of Pablo Picasso's painting 'La Miséreuse accroupie', a major work from the artist's Blue Period. The researchers found images connected to other works by Picasso as well as a landscape -- likely by another Barcelona painter -- underneath Picasso's painting.
  • Feb 16, 2018 10:47:38 PM
    A new study illuminates the biology that guides behavior across different stages of life in worms, and suggests how variations in specific neuromodulators in the developing nervous system may lead to occasional variations.
  • Feb 16, 2018 10:46:58 PM
    While it may not be as common as other skin cancers, Merkel cell carcinoma is highly aggressive and often deadly — and according to new research, it’s also becoming more common.
  • Feb 16, 2018 10:46:56 PM
    Two vaccines are available to help prevent shingles, which can affect anyone who has had chickenpox or the chickenpox vaccine; both diseases are caused by the same virus, which stays in the body after chickenpox clears.
  • Feb 16, 2018 8:03:41 PM
    Bioengineers use gene editing to correct the mutation responsible for sickle cell disease in up to 40 percent of patients' cells used for lab testing.
  • Feb 16, 2018 8:03:38 PM
    Scientists discover an unexpectedly dynamic vocabulary for the language of cellular communication.
  • Feb 16, 2018 7:27:12 PM
    Are we alone in the universe? Few questions have captured the public imagination more than this. Yet to date we know of just one sample of life, that which exists here on Earth.
  • Feb 16, 2018 7:27:09 PM
    The scientists identified which mechanisms destroy the quantum properties of individual insulator. Using a Scanning Tunneling Microscope, which utilizes an atomically sharp metal tip, they were able to precisely image individual iron atoms and measure and control the time that the iron atom can maintain its quantum behavior.
  • Feb 16, 2018 7:27:05 PM
    Hollywood has it wrong. Humans would actually react positively to news of alien life -- intelligent or microbial.
  • Feb 16, 2018 7:27:02 PM
    Preliminary research from a small pilot study carried out in Meru, in eastern Kenya, shows a link between chronic pain and consumption of glutamate, a common flavor enhancer found in Western and non-Western diets worldwide.
  • Feb 16, 2018 7:26:59 PM
    Increasing evidence has linked autism spectrum disorder (ASD) with dysfunction of the brain's cerebellum, but the details have been unclear. In a new study, researchers used stem cell technology to create cerebellar cells known as Purkinje cells from patients with tuberous sclerosis complex (TSC), a genetic syndrome that often includes ASD-like features.
  • Feb 16, 2018 7:26:56 PM
    Asthma is a chronic inflammatory disease driven by the interplay of genetics, environmental factors and a diverse cast of immune cells. Researchers have now identified a subset of T cells, whose frequency serves as early childhood immune signature that predicts the risk of developing asthma later on.
  • Feb 16, 2018 7:26:53 PM
    Researchers have demonstrated the feasibility of their 'organ-on-a-chip' platform in studying how drugs are transported across the human placental barrier.
  • Feb 16, 2018 7:26:49 PM
    Sound waves generated by burbling lakes of lava atop some volcanoes point to greater odds of magmatic outbursts. This finding could provide advance warning to people who live near active volcanoes.
  • Feb 16, 2018 7:26:46 PM
    Researchers have found that people with schizophrenia who experience auditory hallucinations tend to hear what they expect, an exaggerated version of a perceptual distortion that is common among other people without hallucinations. The researchers found that elevated dopamine could make some patients rely more on expectations, which could then result in hallucinations.
  • Feb 16, 2018 7:26:42 PM
    A team of researchers has demonstrated a new method for splitting light beams into their frequency modes, work that could spur advancements in quantum information processing and distributed quantum computing.
  • Feb 16, 2018 7:26:39 PM
    Players of the competitive esports video game League of Legends showed no change in testosterone during game play, researchers have found.
  • Feb 16, 2018 7:26:35 PM
    Researchers completed the first-ever EXIT (Ex Utero Intrapartum Treatment) to ventricular pacing procedure. The patient, a 36-week fetus with complete atrioventricular block and cardiac dysfunction, was at high risk of pre-term death. While attached to its mother via umbilical cord, the baby received a temporary pacemaker, which stabilized its dangerously low and irregular heart rate and ensured enough blood flow from the heart to the rest of its body for delivery.
  • Feb 16, 2018 4:39:10 PM
    Teens work very hard to create a favorable online image through careful selection of which photos, activities and links to post on Facebook and Instagram, according to a recent study. Content that makes them appear interesting, well-liked and attractive to their friends and peers is a primary goal for adolescents when deciding what to share in digital spaces.
  • Feb 16, 2018 4:05:47 PM
    New research in mice has found that a father's stress affects the brain development of his offspring. This stress changes the father's sperm, which can then alter the brain development of the child. This new research provides a much better understanding of the key role that fathers play in the brain development of offspring.
  • Feb 16, 2018 4:05:44 PM
    Aging or impaired brains can once again form lasting memories if an enzyme that applies the brakes too hard on a key gene is lifted, according to neurobiologists.
  • Feb 16, 2018 4:05:41 PM
    An antibody used to treat the skin disease psoriasis is also effective at reducing aortic inflammation, a key marker of future risk of major cardiovascular events.
  • Feb 16, 2018 4:05:38 PM
    The findings highlight a rural-urban divide and show that ranchers' access to water was neither equal nor valued during the drought in Mexico's Baja California Sur state from 2006 to 2012.
  • Feb 16, 2018 4:05:35 PM
    Researchers who confirmed in recent years that salmon use the Earth's geomagnetic field to guide their long-distance migrations have found that the fish also use the field for a much simpler and smaller-scale migration: When the young emerge from gravel nests to reach surface waters.
  • Feb 16, 2018 4:05:32 PM
    A new blood test called the Tick-Borne Disease Serochip (TBD Serochip) promises to revolutionize the diagnosis of tick-borne disease by offering a single test to identify and distinguish between Borrelia burgdorferi, the pathogen responsible for Lyme disease, and seven other tick-borne pathogens.
  • Feb 16, 2018 4:05:30 PM
    Researchers have shown that the bacterial communities in termite guts came about through both inheritance and transfer between colonies.
  • Feb 16, 2018 4:05:27 PM
    Biomimetics offers an innovative approach to solving human problems by imitating strategies found in nature. Medical research could also benefit from biomimetics as scientists point out using the example of chronic kidney disease. In future research, they intend to study the mechanisms that protect the muscles, organs and bones of certain animals during extreme conditions such as hibernation.
  • Feb 16, 2018 4:05:25 PM
    Researchers have developed a new direct, precise test of Lithium-ion batteries' internal temperatures and their electrodes potentials and found that the batteries can be safely charged up to five times faster than the current recommended charging limits.
  • Feb 16, 2018 4:05:22 PM
    Researchers have discovered a set of enzymes found in fungi that are capable of breaking down one of the main components of wood. The enzymes could now potentially be used to sustainably convert wood biomass into valuable chemical commodities such as biofuels.
  • Feb 16, 2018 4:05:20 PM
    Thermoelectric materials can use thermal differences to generate electricity. Now there is an inexpensive and environmentally friendly way of producing them with the simplest of components: a normal pencil, photocopy paper, and conductive paint are sufficient to convert a temperature difference into electricity via the thermoelectric effect.
  • Feb 16, 2018 4:05:18 PM
    Legumes are widely-consumed plants that use soil bacteria to obtain nitrogen through root nodulation. The process is energetically costly, and so legumes inhibit nodulation when soil nitrate is available. However, the mechanism that drives this inhibition is unknown. Researchers found that NRSYM1 is responsible for inhibiting nodulation in the presence of nitrate, and acts by directly regulating gene expression. The findings may aid agricultural efforts to improve the crop efficiency of legumes.
  • Feb 16, 2018 4:05:15 PM
    Scientists have used single-crystal synchrotron X-ray diffraction measurements to establish the electron density of TiS2. Given the broad range of applications for 2-D materials, this fundamental understanding is expected to have a wide-reaching influence on their uses, such as in topological insulators, electrode materials, catalysts, and charge-density-wave materials.
  • Feb 16, 2018 4:05:13 PM
    A new study finds 73 percent of mesopelagic fish caught in the Northwest Atlantic had microplastics in their stomachs -- one of the highest levels globally. Typically living at depths of 200-1,000 meters, these fish could spread microplastic pollution throughout the marine ecosystem, by carrying microplastics from the surface down to deeper waters. They are also prey for fish eaten by humans, meaning that microplastics could indirectly contaminate our food supply.
  • Feb 16, 2018 4:05:10 PM
    Using high-intensity pulses of infrared light, scientists found evidence of superconductivity associated with charge 'stripes' in a material above the temperature at which it begins to transmit electricity without resistance -- a finding that could help them design better high-temperature superconductors.
  • Feb 16, 2018 4:05:08 PM
    Scientists are working to understand the ecology and taxonomy of Texas' first federally endangered mussel species.
  • Feb 16, 2018 4:05:02 PM
    Researchers have calculated that the US can meet -- or even beat -- the near-term carbon dioxide emission reductions required by the United Nations Paris Agreement, despite the Trump Administration's withdrawal of the Clean Power Plan (CPP).
  • Feb 16, 2018 1:49:15 PM
    Fossils that preserve entire organisms (including both hard and soft body parts) are critical to our understanding of evolution and ancient life on Earth. However, these exceptional deposits are extremely rare. New research suggests that the mineralogy of the surrounding earth is key to conserving soft parts of organisms, and finding more exceptional fossils. The work could potentially support the Mars Rover Curiosity in its sample analysis, and speed up the search for traces of life on other planets.
  • Feb 16, 2018 1:49:12 PM
    Women who work as cleaners or regularly use cleaning sprays or other cleaning products at home appear to experience a greater decline in lung function over time than women who do not clean, according to new research.
  • Feb 16, 2018 1:48:08 PM
    It's an age-old debate for coffee lovers. Which is better: Arabica beans with their sweeter, softer taste, or the bold, deep flavor of Robusta beans? A new study has taken the question to unlikely coffee aficionados: birds.
  • Feb 15, 2018 11:03:25 PM
    A free online kidney atlas empowers stem cell scientists everywhere to generate more human-like tiny kidneys for testing new drugs and creating renal replacement therapies.
  • Feb 15, 2018 11:03:22 PM
    Rapid increases in pollution may be as harmful to the heart as sustained high levels, according to new research. The authors urgently call for confirmatory studies as even residents of clean air cities could be at risk.
  • Feb 15, 2018 11:03:18 PM
    Three new research articles compare human and mouse kidney development to identify shared and novel features. The studies revealed deep conservation of certain processes, but also significant differences in gene expression during kidney development, as well as in the timing, scale, organization, and molecular profile of key cell types and cell structures.
  • Feb 15, 2018 11:03:13 PM
    Snow storms often leave behind reminders of their presence for days - sometimes weeks - after warmer and sunnier weather returns. Snowbanks, often created by snow plows as they clear major roadways, can linger in parking lots, on sidewalks, and in driveways even when temperatures rise well above freezing.
  • Feb 15, 2018 9:55:11 PM
    With this year’s severe flu season, one statistic is especially chilling. Each year, around 50 percent of all children under 5 years old who die from the flu were previously healthy. Adults who die from the flu, on the other hand, typically had a medical condition that increased their risk of mortality. A new study offers new insights as to why healthy children are much more vulnerable. It also opens new opportunities for treatment.
  • Feb 15, 2018 9:51:52 PM
    New details about how a carbohydrate-restricted diet improves metabolism were revealed in a new study which could lead to improved treatments for non-alcoholic fatty liver disease (NAFLD).  
  • Feb 15, 2018 9:22:19 PM
    A study has revealed that a new scanning technology could almost halve the number of liver biopsies carried out on people with fatty liver disease.
  • Feb 15, 2018 9:22:15 PM
    A new article showcases the wide differences in BRCA testing protocols at labs around the world. The article surveyed 86 laboratories around the world about their BRCA testing practices and found that all the labs differed widely in their approach.
  • Feb 15, 2018 8:39:23 PM
    A new medical guideline suggests Canada's family physicians should take a sober second thought before prescribing medical cannabis to most patients.
  • Feb 15, 2018 8:39:02 PM
    Butterflies offer key insights into community ecology, how species originate and evolve, climate change and interactions between plants and insects. But a comprehensive map of how butterflies are related to each other has been lacking -- until now.
  • Feb 15, 2018 7:46:19 PM
    Experimental physicists report that they have developed a fast, dynamic new process for wrapping liquid droplets in ultrathin polymer sheets, so what once was a painstaking process taking tens of minutes can now be done in a fraction of a second.
  • Feb 15, 2018 7:46:17 PM
    Children who have heart surgery as infants are at risk for hearing loss, coupled with associated risks for language, attention and cognitive problems, by age four. In a cohort of 348 preschoolers who survived cardiac surgery, researchers found hearing loss in about 21 percent, a rate 20 times higher than is found in the general population. This underscores the importance of early hearing evaluations in young children who undergo heart surgery.
  • Feb 15, 2018 7:18:46 PM
    As globalization and climate change spread tropical diseases around the globe, not all populations are equally susceptible to infection. Gene variants common in people of Asian and European ancestry, for instance, make them more prone than those of African origin to developing severe dengue shock syndrome, according to a new study.
  • Feb 15, 2018 7:18:43 PM
    The antioxidant drug ebselen can prevent sexual transmission of Zika virus from male to female mice, according to new research. The results hint at a potential role for ebselen in preventing Zika spread among humans.
  • Feb 15, 2018 7:18:40 PM
    Chemical products that contain compounds refined from petroleum, like household cleaners, pesticides, paints and perfumes, now rival motor vehicle emissions as the top source of urban air pollution, according to a surprising new study.
  • Feb 15, 2018 7:18:38 PM
    Using a computational model of the human immune system, scientists have shown that efforts to combat sepsis might be more effective if they targeted multiple steps in the molecular processes that drive the illness.
  • Feb 15, 2018 7:18:03 PM
    Wouldn't it be useful to suddenly erect 3-D spikes out of your skin, hold them for an hour, then even faster retract them and swim away? Octopus and cuttlefish can do this as a camouflage tactic. A new study clarifies the neural and muscular mechanisms that underlie this extraordinary defense tactic.
  • Feb 15, 2018 7:18:01 PM
    As winters arrive later and snow melts earlier, the worldwide decrease in snow cover already may have dramatic impacts on animals that change coat colors with the seasons. An international scientific team has set out to discover whether adaptive evolution can rescue these animals in the face of rapidly changing climate.
  • Feb 15, 2018 7:17:58 PM
    A newly identified mutation, passed down through the X-chromosome, is linked to earlier onset of ovarian cancer in women and prostate cancer in father and sons.