Science

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 2018-01-15 20:43 

ScienceDaily.com

Youth using alternative tobacco products are more likely to smoke one year later...

Nonsmoking adolescents who use e-cigarettes, smokeless tobacco or tobacco water pipes are more likely to start smoking conventional cigarettes within a year, according to new research....

 2018-01-15 20:16 

ScienceDaily.com

Biomaterials with 'logic gates' release therapeutics in response to environmental triggers...

Scientists have announced that they have built and tested a new biomaterial-based delivery system -- known as a hydrogel -- that will encase a desired cargo and dissolve to release its freight only when specific physiological conditions are met....

 2018-01-15 20:16 

ScienceDaily.com

Remote-controlled cancer immunotherapy system...

A team of researchers has developed an ultrasound-based system that can non-invasively and remotely control genetic processes in live immune T cells so that they recognize and kill cancer cells....

 2018-01-15 20:16 

ScienceDaily.com

Potential brain-machine interface for hand paralysis...

A brain-machine interface that combines brain stimulation with a robotic device controlling hand movement increases the output of pathways connecting the brain and spinal cord, according to a study of healthy adults. This work could have implications for ...

 2018-01-15 20:15 

ScienceDaily.com

Stop the clots, spare the coagulation...

In the fight to cure thromboinflammatory diseases, one of the target molecules is thrombin, a protein that promotes inflammation and can cause blood clots. However, inhibiting thrombin too much can lead to uncontrolled bleeding, limiting the use of anti-i...

 2018-01-15 17:16 

ScienceDaily.com

Solar fuels: better efficiency using microwires...

Researchers have made significant efficiency improvements to the technology used to generate solar fuels. This involves the direct conversion of energy from sunlight into a usable fuel (in this case, hydrogen). Using only earth-abundant materials, they de...

 2018-01-15 17:16 

ScienceDaily.com

Impact of relatedness on grandmothers' desire to care for their grandchildren...

Historically, grandmothers have been important to their grandchildren, and the help provided by grandmothers has increased grandchild survival during the times of high child mortality. However, there have been signs that in many populations, the impact of...

 2018-01-15 17:16 

ScienceDaily.com

Insulating bricks with microscopic bubbles...

The calculation is simple: the better a building is insulated, the less heat is lost in winter - and the less energy is needed to achieve a comfortable room temperature....

 2018-01-15 17:16 

ScienceDaily.com

We will treat cancer by making it 'slim down'...

For years, attempts have been made to understand the mechanism behind the proliferation of cancer cells: they need metabolites to grow and proliferate as much as a vehicle needs gasoline or electricity to move. However, until now it was not known which me...

 2018-01-15 17:05 

ScienceDaily.com

New method to detect illicit drone filming developed...

A new technique to detect a drone camera illicitly capturing video is revealed in a new study by cyber security researchers in Israel. The study addresses increasing concerns about the proliferation of drone use for personal and business applications and ...

 2018-01-15 17:05 

ScienceDaily.com

Fast-tracking T-cell therapies with immune-mimicking biomaterials...

Researchers have developed a material-based T-cell-expansion method using APC-mimetic biomaterial scaffolds, which helps achieve greater expansion of primary mouse and human T cells than existing methods....

 2018-01-15 17:05 

ScienceDaily.com

Unexpected environmental source of methane discovered...

Roughly 10 percent of nitrogen-fixing microorganisms contain the genetic code for manufacturing a back-up enzyme, called iron iron-only nitrogenase, to do their job. New research reveals that this enzyme allows these microorganisms to convert nitrogen gas...

 2018-01-15 17:05 

ScienceDaily.com

Gyroscopes lead scientists to unusual state of matter in a disorganized structure...

You don't have to be perfectly organized to pull off a wave, according to scientists. Using a set of gyroscopes linked together, physicists explored the behavior of a material whose structure is arranged randomly, instead of an orderly lattice. They f...

 2018-01-15 17:05 

ScienceDaily.com

Possible cause of early colonial-era Mexican epidemic identified...

Researchers have used new methods in ancient DNA research to identify Salmonella enterica Paratyphi C, a pathogen that causes enteric fever, in the skeletons of victims of the 1545-1550 cocoliztli epidemic in Mexico, identifying a possible cause of this d...

 2018-01-15 17:05 

ScienceDaily.com

Flipping the switch: Dietary fat, changes in fat metabolism may promote prostate cancer metastasis...

Researchers have shed new light on the genetic mechanisms that promote metastasis in the mouse model and also implicated the typical Western high-fat diet as a key environmental factor driving metastasis....

 2018-01-15 17:05 

ScienceDaily.com

Nature has more than one way to make methane...

Biochemists report a bacterial, iron-only nitrogenase pathway for methane formation....

 2018-01-15 14:53 

ScienceDaily.com

School climate and diversity may affect students' delinquent behaviors...

In a new study, race, sex, perceived peer inclusion, and teacher discrimination were predictors of students' delinquent behaviors....

 2018-01-15 14:52 

ScienceDaily.com

Ultracold neutron source: Yield improved by factor of 3.5...

Researchers have improved the yield of its ultracold neutron source by a factor of 3.5 to 8.5 ultracold neutrons per cubic centimeter....

 2018-01-15 14:52 

ScienceDaily.com

A matter of mobility: New strategy for drug discovery...

A joint industry/academia study of a cancer target protein reveals unusual relation between binding site flexibility and drug-target lifetime. The results suggest a new strategy for drug discovery....

 2018-01-15 14:52 

ScienceDaily.com

History of humanity does not require rewriting: The case of Untermassfeld...

In a newly published study, researchers refute a recent publication regarding the dispersal of humans in Europe....

 2018-01-15 14:51 

ScienceDaily.com

Scientists home in on a potential Anthropocene 'Golden Spike'...

A new study suggests that key geological markers align towards a start for the Anthropocene somewhere between 1952 to 1955, based on signals from nuclear testing and fossil fuel burning....

 2018-01-15 14:51 

ScienceDaily.com

Power stations in cells may protect brain against Parkinsons...

A new study shows that impairment in mitochondria may actually protect the brain in Parkinson's disease....

 2018-01-15 14:50 

ScienceDaily.com

The more competitive, the more passionate in romantic relationships, study finds...

Americans are more passionate toward their romantic partners than Japanese people are because Americans live in social environments in which people have greater freedom to choose and replace their partners, a team of Japanese researchers suggest....

 2018-01-15 14:42 

ScienceDaily.com

Surfers three times more likely to have antibiotic-resistant bacteria in guts...

Scientists compared fecal samples from surfers and non-surfers to assess whether the surfers' guts contained E. coli bacteria that were able to grow in the presence of the antibiotic cefotaxime. Cefotaxime has previously been prescribed to kill off th...

 2018-01-15 14:42 

ScienceDaily.com

Teens who were severely bullied as children at higher risk of suicidal thoughts, mental health issue...

Teens who were severely bullied as children by peers are at higher risk of mental health issues, including suicidal thoughts and behaviours, according to new research....

 2018-01-15 14:42 

ScienceDaily.com

Flawed research methods exaggerate the prevalence of depression...

The common practice of using patient self-report screening questionnaires rather than diagnostic interviews conducted by researchers has resulted in overestimates of the prevalence of depression, according to a new analysis....

 2018-01-15 14:42 

ScienceDaily.com

Robots aid better understanding of phytoplankton blooms...

Phytoplankton blooms are one of the most important factors contributing to the efficiency of the carbon pump in the North Atlantic Ocean. To better understand this phenomenon, researchers have developed a new class of robots able to collect data in the oc...

 2018-01-15 14:42 

ScienceDaily.com

An efficient approach of conjugated tetraenes from butadiene and alkynes...

Conjugated tetraenes are important key substructures in electronic materials, natural products and pharmaceutical molecules. However, they are difficult to synthesize. Now, researchers in Japan have achieved a new synthetic route of conjugated tetraenes f...

 2018-01-15 14:42 

ScienceDaily.com

New application for acoustics helps estimate marine life populations...

Researchers have for the first time have used hydroacoustics as a method for comparing the abundance of fishes within and outside marine protected areas (MPAs)....

 2018-01-15 14:42 

ScienceDaily.com

Genes that aid spinal cord healing in lamprey also present in humans, researchers discover...

Many of the genes involved in natural repair of the injured spinal cord of the lamprey are also active in the repair of the peripheral nervous system in mammals, according to a new study....

 2018-01-15 14:42 

ScienceDaily.com

Energy drinks can negatively impact health of youth...

Over half of Canadian youth and young adults who have consumed energy drinks have experienced negative health effects as a result, according to a new study....

 2018-01-15 14:42 

ScienceDaily.com

Genes that repair spinal cord in fish are also in humans, researchers find...

Many of the genes that repair an injured spinal cord in a fish called the lamprey are also active in the repair of the peripheral nervous system in mammals, researchers report....

 2018-01-15 14:41 

ScienceDaily.com

Electronic modulation of carotid sinus nerve can be used as a treatment for type 2 diabetes in rats...

In a new study in rats, researchers have demonstrated that is possible to restore insulin sensitivity and glucose homeostasis by modulating electrically the carotid sinus nerve, the sensitive nerve that connects the carotid body with the brain....

 2018-01-13 14:37 

ScienceDaily.com

Sanchi oil spill contamination could take three months to reach mainland...

Water contaminated by the oil currently leaking into the ocean from the Sanchi tanker collision is likely to take at least three months to reach land, and if it does the Korean coast is the most likely location. However, the oil's fate is highly uncer...

 2018-01-13 14:37 

ScienceDaily.com

Microbial signal recognition stems from existing building blocks...

Scientists have characterized a protein that enables certain microorganisms to recognize and absorb ammonium in their environment. Ammonium is considered a toxin that pollutes ecosystems - but for these bacteria it represents an important nutrient and ene...

 2018-01-13 14:23 

ScienceDaily.com

Stingray soft robot could lead to bio-inspired robotics...

Bioengineers have developed a tissue-based soft robot that mimics the biomechanics of a stingray. The new technology could lead to advances in bio-inspired robotics, regenerative medicine and medical diagnostics....

 2018-01-13 14:23 

ScienceDaily.com

Can early symptoms predict bipolar disorder? Evidence shows differing patterns of risk factors...

Two patterns of antecedent or 'prodromal' psychiatric symptoms may help to identify young persons at increased risk of developing bipolar disorder (BD), according to a new analysis....

 2018-01-12 20:12 

ScienceDaily.com

New model for uncovering true HIV mortality rates in Zambia...

A new study that seeks to better ascertain HIV mortality rates in Zambia could provide a model for improved national and regional surveillance approaches, and ultimately, more effective HIV treatment strategies....

 2018-01-12 20:12 

ScienceDaily.com

Nanostructure boosts stability of organic thin-film transistors...

A nanostructured gate dielectric may have addressed the most significant obstacle to expanding the use of organic semiconductors for thin-film transistors. The structure, composed of a fluoropolymer layer followed by a nanolaminate made from two metal oxi...

 2018-01-12 20:12 

ScienceDaily.com

Surprising discovery could lead to better batteries...

Scientists have observed the concentration of lithium inside individual nanoparticles reverse at a certain point, instead of constantly increasing. This discovery is a major step toward improving the battery life of consumer electronics....

 2018-01-12 20:12 

ScienceDaily.com

Past exposures shape immune response in pediatric acute respiratory infections...

By analyzing immune cells of children who came to the emergency department with flu symptoms, researchers found that the suite of genes these early-response cells expressed was shaped by factors such as age and previous exposures to viruses. Better unders...

 2018-01-12 18:29 

ScienceDaily.com

New antifungal provides hope in fight against superbugs...

Microscopic yeast have been wreaking havoc in hospitals around the world -- creeping into catheters, ventilator tubes, and IV lines -- and causing deadly invasive infection. One culprit species, Candida auris, is resistant to many antifungals, meaning onc...

 2018-01-12 18:29 

ScienceDaily.com

Scarring molecule in fat tissue links obesity with distressed fat...

The fat of obese people becomes distressed, scarred and inflamed, which can make weight loss more difficult....

 2018-01-12 18:29 

ScienceDaily.com

Localized cooling of the heart limits damage caused by a heart attack...

Researchers have succeeded in the localized cooling of the heart during a heart attack, a world first. By cooling part of the heart prior to and following angioplasty, the cardiologists believe that the damage from a heart attack can be limited....

 2018-01-12 18:29 

ScienceDaily.com

Scleroderma study: Hope for a longer life for patients with rare autoimmune disorder...

The approach could represent the first new treatment to improve survival in patients with severe scleroderma in more than four decades....

 2018-01-12 18:29 

ScienceDaily.com

New warning system discovered in the immune defense...

Researchers have discovered a previously unknown warning system that contributes to the body's immune system. Mitochondria in the white blood cells secrete a web of DNA fibers that raises the alarm. The results may lead to increased knowledge about au...

 2018-01-12 18:29 

ScienceDaily.com

The combination of two proteins exerts a regenerating effect in Parkinson's disease...

Current therapies for Parkinson's disease are mainly of a replacement type and pose problems in the long term, so the challenge is to establish an early diagnosis and develop neuroprotective and neurorestorative therapies that will allow the symptoms ...

 2018-01-12 18:29 

ScienceDaily.com

Expert unlocks mechanics of how snakes move in a straight line...

Biologists are studying the mechanics of snake movement to understand exactly how they can propel themselves forward like a train through a tunnel....

 2018-01-12 18:29 

ScienceDaily.com

Quantum leap: Computational approach launches new paradigm in electronic structure theory...

A group of researchers specializing in quantum calculations has proposed a radically new computational approach to solving the complex many-particle Schrdinger equation, which holds the key to explaining the motion of electrons in atoms and molecules....

 2018-01-12 18:29 

ScienceDaily.com

Does an exploding brain network cause chronic pain?...

New research reports that hyperreactive brain networks could play a part in the hypersensitivity of fibromyalgia....

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