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Latest Science News -- ScienceDaily

Published: Apr 24, 2018 10:14:02 AM
  • Apr 23, 2018 11:05:53 PM
    The bacteria that reside on and within our bodies are known to have a significant influence on our health. New research suggests wiping out the gut microbiota could improve heart functioning and potentially slow the cardiac damage that occurs with heart failure.
  • Apr 23, 2018 9:00:38 PM
    The greasy food being served at hockey rinks isn't really what young hockey players want, according to a new study.
  • Apr 23, 2018 9:00:34 PM
    A study of a majority-black cohort finds no clear upward trend in cognitive abilities among older adults.
  • Apr 23, 2018 7:51:06 PM
    With recent tax credits and other policies, removing carbon dioxide from the atmosphere and storing it underground is not only possible but profitable for US biofuel refineries.
  • Apr 23, 2018 7:51:04 PM
    By using network analysis to search for communities of marine life in the fossil records of the Paleobiology Database, biologists were able to quantify the ecological impacts of major events like mass extinctions and may help us anticipate the consequences of a 'sixth mass extinction.'
  • Apr 23, 2018 7:50:57 PM
    Biologists have been puzzled by the evolutionary adaptation behind a common tooth trait of northern Asians and Native Americans: shovel-shaped incisors. An analysis of archeological specimens shows that nearly 100 percent of early Native Americans had shoveled incisors, and genetic evidence pinpoints the selection to the Beringian standstill 20,000 years ago. One researcher proposes that a trait linked to shoveling, mammary duct growth, was selected to provide vitamin D and fat to infants.
  • Apr 23, 2018 7:50:54 PM
    Scientists is proposing a massive project to sequence, catalog and analyze the genomes of all eukaryotic species on the planet, an undertaking the researchers say will take 10 years, cost $4.7 billion and require more than 200 petabytes of digital storage capacity. Eukaryotes include all organisms except bacteria and archaea. There are an estimated 10-15 million eukaryotic species on Earth.
  • Apr 23, 2018 7:50:51 PM
    The physics involved with stirring a liquid operate the same way as the mathematical functions that secure digital information. This parallel could help in developing even more secure ways of protecting digital information.
  • Apr 23, 2018 7:50:46 PM
    Results from some of the first studies to examine hemp's ability to fight cancer show that it might one day be useful as plant-based treatment for ovarian cancer. Hemp is part of the same cannabis family as marijuana but doesn't have any psychoactive properties or cause addiction.
  • Apr 23, 2018 7:50:43 PM
    Researchers have engineered a new compound that animal tests suggest could offer the pain-relieving properties of opioids such as morphine and oxycodone without the risk of addiction.
  • Apr 23, 2018 7:50:38 PM
    The more failing grades students have during eighth grade, the more likely they are to experience social-emotional learning problems, academic difficulties and behavioral problems during their freshman year in high school, researchers found in a new study. And despite the gender stereotype that boys are more likely to be the problem children in school, the researchers found that girls constitute the majority of youths who struggled the most academically, socially and behaviorally.
  • Apr 23, 2018 7:50:36 PM
    Scientists have generated an atlas of the human genome that illuminates the roles our genes play in health and disease. The gene atlas, created using a state-of-the-art gene editing technology and human embryonic stem cells, enables a new functional view on how we study the human genome, and provides a tool that will change how we study and treat cancer and genetic disorders.
  • Apr 23, 2018 7:50:33 PM
    Teens who admit to texting while driving may be convinced to reduce risky cellphone use behind the wheel when presented with financial incentives such as auto-insurance apps that monitor driving behavior, according to a new survey. However, while more than 90 percent of teens surveyed said they were willing to give up sending or reading text messages, almost half indicated that they would want to retain some control over phone functions such as music and navigation.
  • Apr 23, 2018 7:50:24 PM
    A new article finds that the enormous trends toward population stabilization, poverty alleviation, and urbanization are rewriting the future of biodiversity conservation in the 21st century, offering new hope for the world's wildlife and wild places.
  • Apr 23, 2018 6:33:36 PM
    Researchers tracked genomic alterations detected in patient samples during tumor cell evolution in culture, in patient-derived xenograft (PDX) mouse models from the cultures, as well as before and after treatment in patients. The team reports that tumor progression was often driven by cancer-promoting genes, known as oncogenes, on extrachromosomal pieces of DNA.
  • Apr 23, 2018 5:51:00 PM
    Warmer springs create a 'mismatch' where hungry chicks hatch too late to feast on abundant caterpillars, new research shows.
  • Apr 23, 2018 5:50:57 PM
    The rate at which the protein beta-amyloid accumulates into the sticky plaques associated with Alzheimer's disease (AD) is already slowing by the time a patient would be considered to have preclinical AD, according to a longitudinal study of healthy adults.
  • Apr 23, 2018 5:50:54 PM
    In a world first, researchers have identified a new DNA structure -- called the i-motif -- inside cells. A twisted 'knot' of DNA, the i-motif has never before been directly seen inside living cells.
  • Apr 23, 2018 5:50:51 PM
    Recalling traumatic memories enhances the rewarding effects of morphine in male rats, finds new research. These findings may help to explain the co-occurrence of post-traumatic stress disorder (PTSD) and addiction.
  • Apr 23, 2018 5:50:48 PM
    Mindfulness meditation programs have shown promise for the treatment of anxiety, one of the most common mental health disorders in the US. New research suggests people can begin to derive psychological and physiological benefits from the practice after a single introductory session.
  • Apr 23, 2018 5:50:46 PM
    Walls are what they are -- big, dull dividers. With a few applications of conductive paint and some electronics, however, walls can become smart infrastructure that sense human touch, and detect things like gestures and when appliances are used. Researchers found that they could transform dumb walls into smart walls at relatively low cost using simple tools and techniques, such as a paint roller.
  • Apr 23, 2018 5:50:43 PM
    When endangered killer whales swim through the sheltered waters of Puget Sound, they leave behind traces of 'environmental DNA' that researchers can detect as much as two hours later has found.
  • Apr 23, 2018 5:50:40 PM
    From energy materials to disease diagnostics, new microscopy techniques can provide more nuanced insight. Researchers first need to understand the effects of radiation on samples, which is possible with a new device developed for holding tightly sealed liquid cell samples for transmission electron microscopy.
  • Apr 23, 2018 5:49:55 PM
    Researchers surveyed 2,664 young adults who were current users, never users, or past users of little cigars and cigarillos, finding cigarillo packs with colors and containing a flavor descriptor were rated more positively for taste and smell, and health warnings didn't fully mitigate the draw of the packaging.
  • Apr 23, 2018 4:52:07 PM
    A drug that failed to effectively strike larger targets in lung cancer hits a bulls-eye on the smaller target presented by a previously untreatable form of the disease.
  • Apr 23, 2018 4:51:17 PM
    Opponents of gun control have frequently pointed to high rates of gun violence in cities such as Chicago to argue that strong state gun control laws are not effective. But guns used in states with stricter gun laws typically flow from states with weaker laws, according to a new study.
  • Apr 23, 2018 4:51:15 PM
    A machine learning method called 'deep learning,' which has been widely used in face recognition and other image- and speech-recognition applications, has shown promise in helping astronomers analyze images of galaxies and understand how they form and evolve. In a new study, researchers used computer simulations of galaxy formation to train a deep learning algorithm, which then proved surprisingly good at analyzing images of galaxies from the Hubble Space Telescope.
  • Apr 23, 2018 4:51:12 PM
    Researchers 'pitch' a qubit -- a tiny bit of quantum data -- from one physical point in a microwave cavity to a separate point in a different cavity. It is the first time an end-to-end quantum transmission has been done on demand.
  • Apr 23, 2018 4:51:09 PM
    The stigma of weight and internalized feelings relating to it were found to be associated with healthcare avoidance in women with higher body weights.
  • Apr 23, 2018 4:51:07 PM
    Study looked at 46 women across two different age ranges, 60-74 and 75-90, to learn how physical activity affects frailty differently in the two groups.
  • Apr 23, 2018 4:51:05 PM
    Medical researchers have designed a creative new approach to help injured hearts regenerate by applying extracellular vesicles secreted by cardiomyocytes rather than implanting the cells. The study shows that the cardiomyocytes derived from human pluripotent stem cells (derived in turn from a small sample of blood) could be a powerful, untapped source of therapeutic microvesicles that could lead to safe and effective treatments of damaged hearts.
  • Apr 23, 2018 4:51:02 PM
    People may be deteriorating into dementia later in life and living with it for a shorter period of time, a new study suggests.
  • Apr 23, 2018 4:50:59 PM
    Nature has inspired a coating for synthetic leather that repels oil and water -- and keeps the material from getting sticky in the heat.
  • Apr 23, 2018 4:50:55 PM
    Many soldiers returning from combat bear visible scars, or even lost limbs, caused by blasts from improvised explosive devices, or IEDs. However, some servicemen also return with debilitating hidden injuries -- the loss of all or part of their genitals. Now, the reconstructive surgery team that performed the country's first bilateral arm transplant in a wounded warrior has successfully performed the first total penis and scrotum transplant in the world.
  • Apr 23, 2018 4:50:52 PM
    With marijuana use during pregnancy on the rise, a new study shows that prenatal cannabis use was associated with a 50 percent increased likelihood of low birth weight, setting the stage for serious future health problems including infection and time spent in neonatal intensive care units.
  • Apr 23, 2018 4:50:50 PM
    Researchers have developed a way to extract more power from the wind. The researchers used supercomputers at the Texas Advanced Computing Center to filter out the effects of turbulence and apply control algorithms that can better manage the operation of wind farms. The approach has the potential to increase wind power generation by 6-7 percent with a estimated increase in revenue of more than $600 million nationwide.
  • Apr 23, 2018 4:50:47 PM
    Using new technologies to track how vision guides foot placement, researchers come one step closer in determining what is going on in the brain while we walk, paving the way for better treatment for mobility impairments -- strokes, aging and Parkinson's -- and technology development -- prosthetics and robots.
  • Apr 23, 2018 4:50:44 PM
    Neutron scattering has revealed, in real time, the fundamental mechanisms behind the conversion of sunlight into energy in hybrid perovskite materials. A better understanding of this behavior will enable manufacturers to design solar cells with significantly increased efficiency.
  • Apr 23, 2018 4:50:41 PM
    A new international study has found that galaxies grow bigger and puffier as they age.
  • Apr 23, 2018 4:50:38 PM
    Europe's ash dieback epidemic could well have been caused by just one or two mushroom-like fruiting bodies of a fungal pathogen from Asia, according to a comprehensive genome sequencing effort. This leaves even the most resistant ash trees at threat from the introduction of just one more spore from East Asia.
  • Apr 23, 2018 3:08:31 PM
    Unlike most hermit crabs, the blanket-hermit crab does not use empty shells for protection, and instead lives symbiotically with a sea anemone. The crab uses the anemone to cover its soft abdomen, and can pull the anemone's tissue over its head to protect itself whenever necessary. Since 1888, this crab had been considered a unique species until a research team recently described five new ones and a new genus.
  • Apr 23, 2018 3:08:28 PM
    If you've had a bad day at work thanks to rude colleagues, doing something fun and relaxing after you punch out could net you a better night's sleep.
  • Apr 23, 2018 3:08:25 PM
    New research uncovers the role of a particular protein in maintaining diabetic wounds and suggests that reversing its effects could help aid wound healing in patients with diabetes.
  • Apr 23, 2018 3:08:22 PM
    Global warming will exacerbate soil droughts in Europe - droughts will last longer, affect greater areas, and have an impact on more people. If the earth warms by three degrees Celsius, extreme events could become the normal state in the future.
  • Apr 23, 2018 3:08:19 PM
    Microbiologists have identified a component of a genetic switch, which they call a potential 'Achilles' heel,' for a type of bacteria often associated with wounded warriors. The switch makes it possible for Acinetobacter baumannii to change between a virulent, hardy form and an avirulent form that is better at surviving at lower temperatures outside a host. Defining the switch could map out targets for new antibiotics.
  • Apr 23, 2018 3:08:16 PM
    Early-life obesity and depression may be driven by shared abnormalities in brain regions that process rewards, according to researchers.
  • Apr 23, 2018 3:08:13 PM
    In an advance that makes a more flexible, inexpensive type of solar cell commercially viable, researchers have demonstrated organic solar cells that can achieve 15 percent efficiency.
  • Apr 23, 2018 3:08:10 PM
    Researchers have made the surprise discovery that the 'odd one out' in a family of proteins known to drive cancer development is instead critical for preventing stomach cancers. The research team showed switching off a certain gene caused spontaneous development of stomach cancers, driven by chronic inflammation. The study also revealed that immunotherapy may prove to be a significant tool for treating stomach cancers that are driven by runaway inflammation, warranting further investigation.
  • Apr 23, 2018 3:08:07 PM
    Researchers have succeeded in observing the behavior of epidermal cells for the regeneration of smooth skin without remaining scar tissue using their model animal, the zebrafish.
  • Apr 23, 2018 3:08:04 PM
    A building method as old as dirt is being re-examined as a 'new' and viable modern construction material. Compressed soil, also known as rammed earth, is a method of construction that dates back centuries.
  • Apr 23, 2018 3:07:29 PM
    Children love to get toys from parents for their birthday present. This craving toward items also involves object hoarding disorders and shopping addiction. However, the biological meaning of why the brain pursues objects or items has remained unknown.
  • Apr 23, 2018 3:07:24 PM
    A high-sensitive blood test can aid concussed hockey players when it might be safe to return to play. Researchers have identified a superior blood-based biomarker for assessing subtle brain injury.
  • Apr 23, 2018 3:07:21 PM
    A new greener, stronger and more durable concrete that is made using the wonder-material graphene could revolutionise the construction industry.
  • Apr 23, 2018 3:07:18 PM
    An international team of scientists has discovered a new complex carbohydrate in moss that could possibly be exploited for health or other uses.
  • Apr 23, 2018 3:07:15 PM
    A new high-power laser system generates ultrashort pulses of light covering a large share of the mid-infrared spectrum.
  • Apr 23, 2018 3:02:22 PM
    Ever since the first penalty kicks were introduced to soccer in 1891, experts, coaches and supporters have puzzled over the question of why some goalkeepers are better at stopping penalties than others. A new review now demonstrates that simply learning which corner to dive to is not enough. It is important that goalkeepers also perfectly calculate their dive to get to the corner at the right time.
  • Apr 23, 2018 12:54:54 PM
    A new study is the first to find a significant link between asthma, hay fever and a broad spectrum of psychiatric disorders. Over 15 years, 10.8 percent of patients with allergic diseases developed a psychiatric disorder, compared to only 6.7 percent of those without allergies. Monitoring the mental health of patients with allergies could help doctors care for their patients more effectively.
  • Apr 23, 2018 12:54:52 PM
    It might seem surprising that a colony of ants would tolerate the type of guests that gobble both their grub and their babies. But new research shows there's likely a useful tradeoff to calmly accepting these parasite ants into the fold: They have weaponry that's effective against their host ants and a more menacing intruder ant.
  • Apr 23, 2018 12:54:45 PM
    Increased awareness of the importance of the microbes that live in our gut has spurred a great deal of research on the microbiome and fueled a booming probiotics industry. A new study suggests probiotics can improve not only the health of our gut but liver health, as well.
  • Apr 23, 2018 12:54:43 PM
    A close examination of 3.6-million-year-old hominin footprints discovered in Laetoli, Tanzania, suggests our ancestors evolved the hallmark trait of extended leg, human-like bipedalism substantially earlier than previously thought.
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