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Science Daily: News Articles in Science, Health, Environment Technology

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate environment, computers, engineering, health medicine, math, physics, psychology, technology, and more -- from the world's leading universities and research organizations. id=metasummary ScienceDaily -- the Internet's premier science news web site -- brings you the latest discoveries in science, health & medicine, the environment, space, technology, and computers, from the world's leading universities and research institutions. Updated several times a day, Science Daily also offers free search of its archive of more than 80,000 stories, as well as related articles, images, videos, books, and journal references in hundreds of different topics, including astronomy, biology, chemistry, engineering, geology, mathematics, physics, and more.



Reinforcement learning expedites 'tuning' of robotic prosthetics  

Researchers have developed an intelligent system for 'tuning' powered prosthetic knees, allowing patients to walk comfortably with the prosthetic device in minutes, rather than the hours necessary if the device is tuned by a trained clinical practitioner. The system is the first to rely solely on reinforcement learning to tune the robotic prosthesis.

what do you think?

2019-01-18 05:31:41



Body-painting protects against bloodsucking insects  

A study by researchers from Sweden and Hungary shows that white, painted stripes on the body protect skin from insect bites. It is the first time researchers have successfully shown that body-painting has this effect. Among indigenous peoples who wear body-paint, the markings thus provide a certain protection against insect-borne diseases.

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2019-01-18 05:26:28



Puzzling phenomenon in a quantum gas: Insulators with conducting edges  

Insulators that are conducting at their edges hold promise for interesting technological applications. However, until now their characteristics have not been fully understood. Physicists have now modeled what are known as topological insulators with the help of ultracold quantum gases. They now demonstrate how the edge states could be experimentally detected.

what do you think?

2019-01-18 05:25:17



HPV vaccination rates remain critically low among younger adolescents in the U.S.  

Only about 16 percent of U.S. adolescents have been fully vaccinated against human papillomavirus (HPV) by the time they turn 13, despite national recommendations that call for vaccination at 11 to 12 years of age. The new findings highlight the need for stronger efforts to encourage HPV vaccination and to improve immunization rates in this key age group.

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2019-01-18 04:47:38



Soft drinks + hard work + hot weather = possible kidney disease risk  

New research suggests that drinking sugary, caffeinated soft drinks while exercising in hot weather may increase the risk of kidney disease.

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2019-01-18 03:55:05



New hope for stem cell approach to treating diabetes  

Researchers have tweaked the recipe for coaxing human stem cells into insulin-secreting beta cells and shown that the resulting cells are more responsive to fluctuating glucose levels in the blood.

what do you think?

2019-01-18 03:07:21



Dangerous increases in patients mixing opioids, benzodiazepines or Z-drugs  

The number of Americans taking a dangerous combination of both opioids and benzodiazepines -- a group of drugs commonly prescribed for pain, insomnia and anxiety -- increased by 250 percent over a 15-year period, while there was an 850 percent increase in patients taking benzodiazepines and so-called Z-drugs, according to a new study.

what do you think?

2019-01-18 02:42:38



Scientists accidentally engineer mice with unusually short and long tails  

Researchers from two groups studying mouse development have accidentally created mice with unusually long and unusually short tails. Their findings offer new insight into some of the key aspects controlling the development of tails in mice and have implications for understanding what happens when developmental pathways go awry.

what do you think?

2019-01-18 02:24:20



New risk score far more effective for diabetes diagnosis  

Researchers have developed a new risk score which takes into account detailed genetic information known to increase the chances of type 1 diabetes. This could be used to help identity babies at highest risk of developing the condition in the future. The score may also be used at the time of diabetes diagnosis to help decide if someone has type 1 or type 2 diabetes, which need very different treatments.

what do you think?

2019-01-18 01:06:04



Additive manufacturing reflects fundamental metallurgical principles to create materials  

Engineers have been taking a novel approach to the development of engineering components produced using additive manufacturing.

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2019-01-17 21:43:40



This computer program makes pharma patents airtight  

Routes to making life-saving medications and other pharmaceutical compounds are among the most carefully protected trade secrets in global industry. Building on recent work programming computers to identify synthetic pathways leading to pharmaceutically complex molecules, researchers have unveiled computerized methods to suggest only synthetic strategies that bypass patent-protected aspects of essential drugs.

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2019-01-17 21:33:46



Scientists create a renewable source of cancer-fighting T cells  

A study by UCLA researchers is the first to demonstrate a technique for coaxing pluripotent stem cells -- which can give rise to every cell type in the body and which can be grown indefinitely in the lab -- into becoming mature T cells capable of killing tumor cells.

what do you think?

2019-01-17 21:28:25



Risk for developing more than one mental health disorder revealed  

A new study has revealed the risks behind developing a seconds mental health disorder after an initial diagnosis in the largest and most comprehensive study of comorbidity to date.

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2019-01-17 21:17:27



Blister fluid could help diagnose burn severity  

Severe burns can leave physical and psychological scars, especially in children. When a burn patient enters the clinic, doctors use factors such as the depth and size of the burn, as well as the time required for skin healing -- or re-epithelialization -- to determine the best course of treatment. Now, researchers have found another, possibly more accurate way to classify burn severity: analyzing proteins in blister fluid.

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2019-01-17 20:45:01



More animal species under threat of extinction, new method shows  

Currently approximately 600 species might be inaccurately assessed as non-threatened on the Red List of Threatened Species. More than a hundred others that couldn't be assessed before, also appear to be threatened. A new more efficient, systematic and comprehensive approach to assess the extinction risk of animals has shown this.

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2019-01-17 20:38:23



Epigenetics contribute to male and female differences in fear memory  

In a mouse model of traumatic memory, male mice recall fear-related memories better than female mice, according to a new study.

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2019-01-17 20:17:36



New light shed on intensely studied material  

The organic polymer PEDOT is probably one of the world's most intensely studied materials. Despite this, researchers have now demonstrated that the material functions in a completely different manner than previously believed. The result has huge significance in many fields of application.

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2019-01-17 20:16:34



Scientists connect dots between colitis and colon cancer  

Lingering inflammation in the colon is a known risk factor for colorectal cancer and now scientists report one way it resets the stage to enable this common and often deadly cancer.

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2019-01-17 20:01:16



Measuring ability of artificial intelligence to learn is difficult  

Organizations looking to benefit from the artificial intelligence (AI) revolution should be cautious about putting all their eggs in one basket, a study has found.

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2019-01-17 19:26:27



Brain cells that make pain unpleasant  

If you step on a tack, neurons in your brain will register two things: that there's a piercing physical sensation in your foot, and that it's not pleasant. Now, a team of scientists has identified a bundle of brain cells in mice responsible for the latter -- that is, the negative emotions of pain.

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2019-01-17 18:32:08



New thermoelectric material delivers record performance  

Taking advantage of recent advances in using theoretical calculations to predict the properties of new materials, researchers have discovered a new class of half-Heusler thermoelectric compounds, including one with a record high figure of merit -- a metric used to determine how efficiently a thermoelectric material can convert heat to electricity.

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2019-01-17 18:27:42



Scientists find increase in asteroid impacts on ancient Earth by studying the Moon  

A team of scientists has determined the number of asteroid impacts on the Moon and Earth increased by two to three times starting around 290 million years ago. Previous theories held that there were fewer craters on both objects dating back to before that time because they had disappeared due to erosion. The new findings claim that there were simply fewer asteroid impacts during that earlier period.

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2019-01-17 18:25:34



Proposed engineering method could help make buildings and bridges safer  

Researchers discovered that the distance between dislocations in nanolayer interfaces of pearlite can determine how much the material can stretch or contract without breaking (ductility). The dislocations are disruptions in the regular arrangements of atoms in nanolayers. This discovery opens the possibility of engineering materials with higher ductility by simply manipulating the spacing between their dislocations and may improve the safety of structures such as buildings and bridges in earthqu

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2019-01-17 18:07:05



Wired for obesity  

Researchers have discovered a set of genes that help to establish brain connections governing body weight.

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2019-01-17 17:48:38



Emperor penguins' first journey to sea  

New research reveals the previously unknown behaviors of juvenile Emperor penguins in their critical early months when they leave their birth colony and first learn how to swim, dive, and find food.

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2019-01-17 17:32:16



Sea slug study illuminates how mitochondria move  

Defects in the transport of cells' energy organelles are a suspected cause of diseases including Alzheimer's, ALS, Huntington's and Parkinson's. A new study reveals the genetics behind mitochondrial shifts.

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2019-01-17 17:21:26



Another piece of Ebola virus puzzle: Host and virus protein interaction  

A team of researchers have discovered the interaction between an Ebola virus protein and a protein in human cells that may be an important key to unlocking the pathway of replication of the killer disease in human hosts.

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2019-01-17 16:59:40



Can a critic-turned-believer sway others? The case of genetically modified foods  

When an advocate for one side of an issue announces that he or she now believes the opposite, can that message affect others' views? Research shows that such a conversion message can influence public attitudes. Using video of environmentalist Mark Lynas speaking about his change from an opponent of genetically modified crops to an advocate, researchers found that message had a greater impact than his direct advocacy message.

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2019-01-17 16:41:19



Scientists confirm pair of skeletons are from same early hominin species  

Separate skeletons suggested to be from different early hominin species are, in fact, from the same species, a team of anthropologists has concluded in a comprehensive analysis of remains first discovered a decade ago.

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2019-01-17 16:36:52



Nearly a quarter of antibiotic prescriptions for children and adults may be unnecessary  

One in 10 children and about one in six adults with private insurance received antibiotics they didn't need at least once in 2016, a new Michigan Medicine study suggests.

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2019-01-17 15:54:32



The cytoskeleton of neurons has been found to be involved in Alzheimer's disease  

A researcher has participated in a study describing what it is during the early stages of Alzheimer's that triggers the loss of dynamics and subsequent impairment of the dendritic spines, the compartments of the neurons responsible for receiving nerve impulses from other neurons. The role played by the actin cytoskeleton of these compartments and how it responds in the presence of beta-amyloid peptides, the component most commonly associated with Alzheimer's, have been described.

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2019-01-17 15:29:24



How molecules teeter in a laser field  

When molecules interact with the oscillating field of a laser, an instantaneous, time-dependent dipole is induced. This very general effect underlies diverse physical phenomena. Now scientists report on an experiment where the dependence of the driven-dipole response on the bound state of an electron in a methyl iodine molecule is revealed.

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2019-01-17 15:21:40



Saturn hasn't always had rings  

In its last days, the Cassini spacecraft looped between Saturn and its rings so that Earth-based radio telescopes could track the gravitational tug of each. Scientists have now used these measurements to determine the mass of the rings and estimate its age, which is young: 10-100 million years. This supports the hypothesis that the rings are rubble from a comet or Kuiper Belt object captured late in Saturn's history.

what do you think?

2019-01-17 14:51:23



A new hope in treating neurodegenerative disease  

Korean researchers have identified the inhibition of autophagy in microglia, brain immune cells. It is expected to help develop treatments for Alzheimer's diseases which occur due to the inhibition of autophagy.

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2019-01-17 14:50:12



Orchards in natural habitats draw bee diversity, improve apple production  

Apple orchards surrounded by agricultural lands are visited by a less diverse collection of bee species than orchards surrounded by natural habitats.

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2019-01-17 14:04:19



Fruit fly promiscuity alters the evolutionary forces on males  

Researchers have demonstrated for the first time what effect female fruit flies having multiple partners has on sexual selection -- before and after mating. Sexual selection is the branch of natural selection concerned with obtaining mates and fertility, rather than survival.

what do you think?

2019-01-17 13:51:28



Lack of fair access to urban green spaces  

People with higher incomes and more education tend to have greater access to urban green spaces than their less privileged neighbors, a new study of parks and greenery in 10 major North American cities has found.

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2019-01-17 13:14:24



Gene therapy blocks peripheral nerve damage in mice  

Scientists have developed a gene therapy that blocks axonal degeneration, preventing axon destruction in mice and suggesting a therapeutic strategy that could help prevent the loss of peripheral nerves in multiple conditions.

what do you think?

2019-01-17 13:06:41



New test to detect disease and infection  

Researchers have developed a highly innovative new enzyme biomarker test that has the potential to indicate diseases and bacterial contamination saving time, money and possibly lives.

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2019-01-17 12:34:08



Researchers race against extinction to uncover tree's cancer-fighting properties  

As the population of a fir tree in China dwindles, researchers are racing to replicate its cancer-fighting molecules.

what do you think?

2019-01-17 12:09:02



Combination therapy treats leishmaniasis, HIV patients  

Coinfection with visceral leishmaniasis (VL) and human immunodeficiency virus (HIV) has been observed in at least 35 countries on four continents and requires special case management. Currently, the World Health Organization recommends AmBisome monotherapy for treatment. Now, researchers have showed that a combination therapy of AmBisome and miltefosine is more effective.

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2019-01-17 12:05:46



Blocking hormone uptake burns more fat  

A newly discovered regulatory mechanism helps the body control the rate of fat metabolism, according to a new study. The finding may lead to new drugs to help burn stored fat and reduce weight.

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2019-01-17 11:37:35



Stress fracture? Your foot hitting pavement wasn't the main problem  

It starts as a persistent and irritating pain in the foot or lower leg, then it gets more intense, maybe with swelling, and soon a runner knows she's being sidelined by one of the most common running injuries: a stress fracture. These tiny cracks in the bone can halt training for months or even end a sports season. A segment of the multibillion-dollar wearables industry aims to save potential victims from this fate, but an engineering professor found a major problem: the devices are measuring th

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2019-01-17 11:02:35



Antibiotics still routinely prescribed in the ER for infants with viral lung infections  

Despite recommendations first issued more than a decade ago, antibiotics are still routinely prescribed in US emergency rooms for infants with bronchiolitis, a common viral lung infection. The findings highlight a concerning lag in translating evidence-based guidelines into clinical practice and underscore the need to continue educating health care providers and the public about appropriate antibiotic use.

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2019-01-17 10:47:39



Ice Age climate caused sediment sourcing in Gulf of Mexico to switch dramatically  

The onset of the most recent ice age about 2.6 million years ago changed where the western Gulf of Mexico gets its supply of sediments. The finding adds new insight into how extreme climate change can directly impact fundamental geological processes and how those impacts play out across different environments.

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2019-01-17 10:42:10



Psychological distress is a risk factor for dementia  

A new study suggests that vital exhaustion -- which can be perceived as an indicator of psychological distress -- is a risk factor for future risk of dementia.

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2019-01-17 10:30:13



Telling stories using rhythmic gesture helps children improve their oral skills  

For the first time it has been shown that a brief training session with rhythmic gestures has immediate benefits for narrative discourse in children of 5 and 6 years of age.

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2019-01-17 09:01:53



New scale for electronegativity rewrites the chemistry textbook  

Electronegativity is one of the most well-known models for explaining why chemical reactions occur. Now scientists have redefined the concept with a new, more comprehensive scale.

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2019-01-17 09:01:51



Scientists search for new methods to cure neurodegenerative diseases  

Most neurons in the human brain are generated from neural stem cells during embryonic development. After birth, a small reservoir of stem cells remains in the brain that keeps on producing new neurons throughout life. However, the question arises as to whether these new neurons really support brain function? And if so, can we improve brain capacity by increasing the number of neurons? A research group has now answered these questions.

what do you think?

2019-01-17 08:45:38



Artificially produced cells communicate with each other  

Researchers have for the first time created artificial cell assemblies that can communicate with each other. The cells, separated by fatty membranes, exchange small chemical signaling molecules to trigger more complex reactions, such as the production of RNA and other proteins.

what do you think?

2019-01-17 08:36:55



Complex molecules emerge without evolution or design  

In biology, folded proteins are responsible for most advanced functions. These complex proteins are the result of evolution or design by scientists. Now scientists have discovered a new class of complex folding molecules that emerge spontaneously from simple building blocks.

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2019-01-17 08:34:44



Managerialism in UK schools erodes teachers' mental health and well-being  

Performance targets, increased workload, curriculum changes and other bureaucratic changes are eroding teachers' professional identity and harming their mental health, a new study finds.

what do you think?

2019-01-17 08:29:21



U.S. youth suicides more prevalent in states with higher gun ownership, study finds  

A new study finds that states with higher levels of household gun ownership also have higher overall youth suicide rates, with every 10 percentage-point increase in household gun ownership associated with a 26.9 percent increase in the youth suicide rate.

what do you think?

2019-01-17 08:14:04



Individual lichens can have up to three fungi  

Individual lichens may contain up to three different fungi, according to new research from an international team of researchers. This evidence provides new insight into another recent discovery that showed lichen are made up of more than a single fungus and alga, overturning the prevailing theory of more than 150 years.

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2019-01-17 07:42:32



A new way to transfer energy between cells  

Researchers have described a new method for the transmission of electrons between proteins that refutes the evidence from experiments until now. This process, involved in the generation of energy in both animal and plant cells, will permit better understanding of the behavior of proteins in the cells, as well as giving a deeper understanding of the energy dysfunctions that cause diseases.

what do you think?

2019-01-17 07:36:03



Penguins, starfish, whales: Which animals will win and lose in a warming Antarctic?  

Using risk assessments, like those used for setting occupational safety limits in the workplace, researchers determined the winners and losers of climate change in the Antarctic. They show that marine animals associated with sea ice for food or breeding, such as some whales and penguins, are most at risk from the effects of climate change, while seafloor predators and open-water feeding animals like starfish and jellyfish will benefit from the opening up of new habitat.

what do you think?

2019-01-17 07:24:08



New findings reveal surprising role of the cerebellum in reward and social behaviors  

A study in rodents found that the brain's cerebellum -- known to play a role in motor coordination -- also helps control the brain's reward circuitry. Researchers found a direct neural connection from the cerebellum to the ventral tegmental area (a brain area long known to be involved in reward processing and encoding). The findings shed light on the brain circuits critical to the affective and social dysfunction seen across multiple psychiatric disorders.

what do you think?

2019-01-17 05:50:37



New findings on eye-signal blending  

Knowing precisely where the signals meet and the brain processes them is vital to treating amblyopia, or reduced vision in one eye because the brain and eye aren't working together properly.

what do you think?

2019-01-17 05:43:59



World Trade Center responders at increased risk for head and neck cancers  

A new study has found a significant increase in head and neck cancers among workers and volunteers who responded to the 9/11 terrorist attacks on the World Trade Center (WTC), pointing to newly emerging risks that require ongoing monitoring and treatment of those who were exposed during the initial response.

what do you think?

2019-01-17 05:29:49



Cultivating 4D tissues: The self-curving cornea  

Scientists have developed a biological system which lets cells form a desired shape by molding their surrounding material -- in the first instance creating a self-curving cornea. The astonishing video shows the cornea molding itself into a bowl-like structure over the course of 5 days.

what do you think?

2019-01-17 04:57:19



Local focus could help tackle global problems  

People's love for their local areas could be harnessed to tackle global environmental problems, researchers say.

what do you think?

2019-01-17 04:47:27



Size matters: To livebearer fish, big fins are a big deal  

Biologists studied the evolution of 40 molly and Limia species, and concluded dorsal fin displays arose first for males to compete with other males, only later being used in courtship displays to females. These changes in fin function went hand in hand with enlargement of the male dorsal fin. The fins reached extreme sizes in a few species and appear to be associated with rapid evolution, especially in mollies.

what do you think?

2019-01-17 03:38:44



Nanoparticle breakthrough in the fight against cancer  

A recent study has introduced a novel targeted drug delivery system in the fight against cancer.

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2019-01-17 03:22:26



How our cellular antennas are formed  

Most of our cells contain an immobile primary cilium. The 'skeleton' of the cilium consists of microtubule doublets, which are 'pairs' of proteins essential for their formation and function. Scientists have developed an in vitro system capable of forming microtubule doublets, and have uncovered the mechanism and dynamics of their assembly. Their study reveals the crucial role of tubulin, a real building block, in preventing the uncontrolled formation of ciliary structures.

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2019-01-17 02:58:39



Economist find a global tax on carbon may be feasible  

There is a consistently high level of public support across nations for a global carbon tax if the tax policy is carefully designed, according to a recent survey.

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2019-01-17 02:41:10



Engineered immune cells target broad range of pediatric solid tumors in mice  

Immune cells engineered to attack childhood cancers were able to eradicate different types of pediatric tumors in mice, according to a new study.

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2019-01-17 02:12:42



Mindfulness may ease menopausal symptoms  

Mindfulness may be associated with fewer menopausal symptoms for women, according to a new study. Researchers discovered that being mindful may be especially helpful for menopausal women struggling with irritability, anxiety and depression.

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2019-01-17 01:59:52



Multiple sclerosis treatments delay progression of the disease  

A new study finds multiple sclerosis treatments have long-term benefits, and that early treatment is important. The study is the first to provide evidence that the currently available therapies can delay progression of disability in Multiple Sclerosis. It showed that early treatment -- particularly within five years of onset -- delayed the secondary progressive stage of MS, which is characterised by an ongoing increase of disability.

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2019-01-17 01:56:34



How to rapidly image entire brains at nanoscale resolution  

A powerful new technique combines expansion microscopy with lattice light-sheet microscopy for nanoscale imaging of fly and mouse neuronal circuits and their molecular constituents that's roughly 1,000 times faster than other methods.

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2019-01-17 01:19:33



Ozaena ground beetles likely parasitize ants throughout their life cycle  

Ozaena ground beetles likely have anatomical adaptations enabling them to parasitize ant nests throughout their life cycle, according to a new study.

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2019-01-16 21:51:16



Wearable sensor can detect hidden anxiety, depression in young children  

Anxiety and depression in young children are hard to detect and often go untreated, potentially leading to anxiety disorders and increased risk of suicide and drug abuse later. In a new study, researchers showed a wearable sensor detected these 'internalizing disorders' in children with 81 percent accuracy, reducing to 20 seconds what would take clinicians months to diagnose, opening the door to inexpensive screening that could be part of routine developmental assessments.

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2019-01-16 20:57:56



Coralline red algae have existed for 300 million years longer than presumed  

Coralline red algae have existed for 130 million years, in other words since the Cretaceous Period, the time of the dinosaurs. At least this was the established view of palaeontologists all over the world until now. However, this classification will now have to be revised after fossils prove that coralline red algae existed as far back as 430 million years ago.

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2019-01-16 20:46:10



When activated, 'social' brain circuits inhibit feeding behavior in mice  

Feeding behavior and social stimulation activate intermingled but distinct brain circuits, and activating one circuit can inhibit the other, according to a new study.

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2019-01-16 20:32:51



Fiery sighting: A new physics of eruptions that damage fusion experiments  

Sudden bursts of heat that can damage the inner walls of tokamak fusion experiments are a hurdle that operators of the facilities must overcome. Such bursts, called 'edge localized modes (ELMs),' occur in doughnut-shaped tokamak devices that house the hot, charged plasma that is used to replicate on Earth the power that drives the sun and other stars. Now researchers have directly observed a possible and previously unknown process that can trigger damaging ELMs.

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2019-01-16 19:40:41



'Ambidextrous' robots could dramatically speed e-commerce  

Engineers present a novel, 'ambidextrous' approach to grasping a diverse range of object shapes without training.

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2019-01-16 19:30:55



Jellyfish map could be the future to protecting UK waters and fish  

Researchers have developed a map of chemicals found in jellyfish caught across 1 million square kilometers of UK waters. The same chemicals are found in other marine animals such as birds and fish. These findings can support conservation efforts by helping track an animals movements and also be used as a tool to detect food fraud by identifying where seafood products were sourced from.

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2019-01-16 17:51:57



Vampire bat venom could hold key to new medical treatments  

Vampire bats could hold the key to new treatments for a range of serious medical problems, but researchers have hit a snag accessing the specimens needed to advance their work. Now scientists have found a new class of blood pressure-regulating peptides in the venom of the common vampire bat (Diphylla ecaudata).

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2019-01-16 17:12:40



Marine mammals and sea turtles recovering after Endangered Species Act protection  

More than three-quarters of marine mammal and sea turtle populations have significantly increased after listing of the US Endangered Species Act (ESA), according to a new study.

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2019-01-16 16:57:35



Full carbonate chemistry at the site of calcification in a tropical coral  

Researchers have succeeded in directly measuring three key parameters necessary for skeleton formation in a live tropical coral. This way, they completely characterized the carbonate chemistry at the site of calcification.

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2019-01-16 15:59:55



Mechanism for leukaemia cell growth revealed, prompting new treatment hopes  

A mechanism which drives leukaemia cell growth has been discovered by researchers, who believe their findings could help to inform new strategies when it comes to treating the cancer.

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2019-01-16 15:36:57



Scientists discover novel process to convert visible light into infrared light  

Scientists have developed a novel chemical process to convert infrared energy into visible light, allowing innocuous radiation to penetrate living tissue and other materials without the damage caused by high-intensity light exposure. The discovery could advance numerous fields, including clinical applications for photodynamic therapy and drug development.

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2019-01-16 14:34:56



High-speed supernova reveals earliest moments of a dying star  

An international team of researchers found evidence for the much theorized 'hot cocoon'.

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2019-01-16 14:26:15



Mechanism helps explain the ear's exquisite sensitivity  

Researchers have decoded the way structures in the inner ear give our hearing its remarkable sensitivity and selectivity.

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2019-01-16 14:06:34



Artificial intelligence applied to the genome identifies an unknown human ancestor  

By combining deep learning algorithms and statistical methods, investigators have identified, in the genome of Asian individuals, the footprint of a new hominid who cross bred with its ancestors tens of thousands of years ago.

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2019-01-16 13:55:45



Alterations in hippocampal structural connections differentiate between responders of ECT  

A new study in people with major depression reports that electroconvulsive therapy (ECT) induces changes in the fibers connecting the hippocampus to brain regions involved in mood and emotion.

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2019-01-16 13:50:25



New quantum structures in super-chilled helium may mirror early days of universe  

Experimental proof of a decades-old prediction opens a pathway to recreate possible conditions of the early universe here on earth.

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2019-01-16 13:40:28



Simple rules predict and explain biological mutualism  

Scientists have long employed relatively simple guidelines to help explain the physical world, from Newton's second law of motion to the laws of thermodynamics. Biomedical engineers have used dynamic modeling and machine learning to construct similarly simple rules for complex biology. They have devised a framework to accurately interpret and predict the behavior of mutually beneficial biological systems, such as human gut bacteria, plants and pollinators, or algae and corals.

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2019-01-16 13:18:42



Gastric bypass surgery may benefit muscle strength more than previously thought  

Gastric bypass surgery improves relative muscle strength and physical performance in people with obesity, according to a new study.

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2019-01-16 13:07:48



Ammonia by phosphorus catalysis  

More than 100 years after the introduction of the Haber-Bosch process, scientists continue to search for alternative ammonia production routes that are less energy demanding. Scientists have now discovered that black phosphorus is an excellent catalyst for the electroreduction of nitrogen to ammonia. Layered black phosphorus nanosheets are a highly selective and efficient catalyst in this process.

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2019-01-16 11:51:48



Scientists grow perfect human blood vessels in a petri dish  

Scientists have managed to grow perfect human blood vessels as organoids in a petri dish for the first time. The breakthrough engineering technology dramatically advances research of vascular diseases like diabetes, identifying a key pathway to potentially prevent changes to blood vessels -- a major cause of death and morbidity among those with diabetes.

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2019-01-16 11:13:35



Evidence of changing seasons, rain on Saturn's moon Titan's north pole  

An image from the international Cassini spacecraft provides evidence of rainfall on the north pole of Titan, the largest of Saturn's moons. The rainfall would be the first indication of the start of a summer season in the moon's northern hemisphere.

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2019-01-16 11:12:32



Ultra ultrasound to transform new tech  

A new, more sensitive method to measure ultrasound may revolutionize everything from medical devices to unmanned vehicles. Researchers have combined modern nanofabrication and nanophotonics techniques to build the ultra precise ultrasound sensors on a silicon chip.

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2019-01-16 10:52:02



Identifying 'friends' in an objective manner  

Scientists have developed a new method for identifying individuals that have essential connections between them -- what they call 'significant ties'.

what do you think?

2019-01-16 10:50:47



How manganese produces a parkinsonian syndrome  

Using X-ray fluorescence at synchrotrons DESY and ESRF, researchers have demonstrated the consequences of a mutation responsible for a hereditary parkinsonian syndrome: accumulated manganese in the cells appears to disturb protein transport.

what do you think?

2019-01-16 10:48:44



Nepal earthquake: Waiting for the complete rupture  

Nepal was struck by an earthquake with a magnitude of 7.8 in 2015, but the country may still face the threat of much stronger temblor. This is the conclusion reached by researchers based on a new model that simulates physical processes of earthquake rupture between the Eurasian and Indian Plates.

what do you think?

2019-01-16 10:12:36



Mosquito known to transmit malaria has been detected in Ethiopia for the first time  

A type of mosquito that transmits malaria has been detected in Ethiopia for the first time, and the discovery has implications for putting more people at risk for malaria in new regions.

what do you think?

2019-01-16 09:59:06



Welding process for manufacturing industries  

New research will optimize the welding, additive and manufacturing process.

what do you think?

2019-01-16 09:17:11



Feathers: Better than Velcro?  

The structures zipping together the barbs in bird feathers could provide a model for new adhesives and new aerospace materials, according to a new study. Researchers 3D printed models of the structures to better understand their properties.

what do you think?

2019-01-16 09:10:37



Born to run: Just not on cocaine  

A study finds a surprising response to cocaine in a novel strain of mutant mice -- they failed to show hyperactivity seen in normal mice when given cocaine and didn't run around. In other tests, they still found cocaine appealing, but displayed an inability to shake the memory of cocaine's actions when the drug was no longer administered. The key change that blocks cocaine's stimulant effects in these mice is serotonin, not dopamine, which is responsible for producing a high.

what do you think?

2019-01-16 08:46:05



Right green for crop, environment, wallet  

Researchers found an efficient approach to managing nitrogen in agriculture and reducing its environmental impact. It's all about being green.

what do you think?

2019-01-16 08:25:22






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