Science

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 2018-12-10 22:18 

ScienceDaily.com

Increased risk for breast cancer after childbirth may last more than 20 years...

The increased risk for breast cancer that occurs after childbirth can last more than 20 years. The risk may be enhanced when a woman is older at first birth or has a family history of breast cancer, and is not mitigated by breastfeeding....

 2018-12-10 22:18 

ScienceDaily.com

Lifespan extension at low temperatures is genetically controlled...

A new study indicates that lifespan extension at lower temperatures is not just a matter of turning down the thermostat: it's under active genetic control....

 2018-12-10 22:18 

ScienceDaily.com

Small and isolated habitat patches crucial to species survival...

Small, local patches of habitat could be playing a much bigger role in conserving biodiversity than you think, according to new research....

 2018-12-10 21:51 

ScienceDaily.com

Reducing variations in feeding practices and fortifying breast milk helps micro-preemies grow...

Standardizing feeding practices, including the timing for fortifying breast milk and formula with essential elements like zinc and protein, improves growth trends for the tiniest preterm infants, according to new research....

 2018-12-10 21:51 

ScienceDaily.com

Ocean fertilization by unusual microbes extends to frigid waters of Arctic Ocean...

Microbes that provide natural fertilizer to the oceans by 'fixing' nitrogen from the atmosphere into a form useable by other organisms are active in the cold waters of the Bering and Chukchi Seas....

 2018-12-10 21:51 

ScienceDaily.com

New study finds bias against women and girls when intellectual ability is sought...

A new study finds bias against both women and girls for jobs or activities requiring intellectual ability. The research underscores the pervasiveness of gender bias, held even among females, in both adults and young children....

 2018-12-10 21:51 

ScienceDaily.com

Shape-shifting origami could help antenna systems adapt on the fly...

Researchers have devised a method for using an origami-based structure to create radio frequency filters that have adjustable dimensions, enabling the devices to change which signals they block throughout a large range of frequencies....

 2018-12-10 21:51 

ScienceDaily.com

Rapid genetic evolution linked to lighter skin pigmentation...

The gene that causes lighter skin pigmentation, SLC24A5, was introduced from eastern African to southern African populations just 2,000 years ago. Strong positive selection caused this gene to rise in frequency among some KhoeSan populations....

 2018-12-10 21:49 

ScienceDaily.com

Addressing research gaps could help with development of disability-inclusive workplaces...

Filling key gaps in the research and understanding of the treatment of people with disabilities in the workplace could help improve employee success on the job and develop more disability-inclusive workplaces....

 2018-12-10 20:18 

ScienceDaily.com

How will the winds of climate change affect migratory birds?...

Under future climate scenarios, changing winds may make it harder for North American birds to migrate southward in the autumn, but make it easier for them to come back north in the spring. Researchers came to this conclusion using data from 143 weather ra...

 2018-12-10 20:06 

ScienceDaily.com

Regrowing damaged nerves hinges on shutting down key genes...

Neurons in the brain and spinal cord don't grow back after injury, unlike those in the rest of the body. Now, researchers have identified some of the key steps taken by nerves in the legs as they regenerate. The findings lay out a path that spinal cor...

 2018-12-10 20:06 

ScienceDaily.com

Humans may be reversing the climate clock, by 50 million years...

Our future on Earth may also be our past. Researchers show that humans are reversing a long-term cooling trend tracing back at least 50 million years. And it's taken just two centuries....

 2018-12-10 20:06 

ScienceDaily.com

'Dropout' rate for academic scientists has risen sharply in past 50 years, study finds...

An analysis has found that half the people pursuing scientific careers at institutions of higher education will depart the field after five years -- a sharp contrast compared to 50 years ago....

 2018-12-10 20:05 

ScienceDaily.com

Water found on asteroid, confirming Bennu as excellent mission target...

Spectral observations made by the OSIRIS-REx spacecraft identified hydrated minerals across the asteroid, confirming that Bennu, a remnant from early in the formation of the solar system, is an excellent specimen for the OSIRIS-REx mission to study the co...

 2018-12-10 19:49 

ScienceDaily.com

Smelling the forest not the trees: Why animals are better at sniffing complex smells...

Animals are much better at smelling a complex 'soup' of odorants rather than a single pure ingredient, a new study has revealed....

 2018-12-10 19:49 

ScienceDaily.com

Key cellular mechanism that triggers pneumonia in humans...

Researchers have demonstrated that influenza virus impairs the immune response to pneumococcus, especially monocyte activity....

 2018-12-10 19:49 

ScienceDaily.com

Millions of low-risk people with diabetes may be testing their blood sugar too often...

For people with Type 2 diabetes, testing blood sugar levels becomes part of everyday life. But a new study suggests that some of them test more often than they need to. Fourteen percent of people with Type 2 diabetes who don't require insulin are buyi...

 2018-12-10 19:49 

ScienceDaily.com

Your brain on imagination: It's a lot like reality, study shows...

New brain imaging research shows that imagining a threat lights up similar regions as experiencing it does. It suggests imagination can be a powerful tool in overcoming phobias or post traumatic stress....

 2018-12-10 19:20 

ScienceDaily.com

Optimal blood pressure treatment for stroke patients...

Aggressive treatment of hypertension in stroke patients could do more harm than good in the long term, according to a new study....

 2018-12-10 19:20 

ScienceDaily.com

Sprayable gel could help the body fight off cancer after surgery...

A research team has developed a spray gel embedded with immune-boosting drugs that could help lower the risk of cancer recurrence after surgery....

 2018-12-10 19:20 

ScienceDaily.com

Some brain tumors may respond to immunotherapy...

A new study suggests that a slow-growing brain tumor arising in patients affected by neurofibromatosis type 1 (NF1) may be vulnerable to immunotherapy, which gives the immune system a boost in fighting cancer....

 2018-12-10 19:20 

ScienceDaily.com

Topological material switched off and on for the first time...

A new study represents a significant advance in topological transistors and beyond-CMOS electronics. First time that the topological state in a topological insulator has been switched on and off using an electric field. Researchers proved this is possible...

 2018-12-10 18:49 

ScienceDaily.com

Dopamine's yin-yang personality: It's an upper and a downer...

Dopamine has a reputation as the key player in the brain's reward circuits, making us seek out pleasurable experiences, but growing evidence points to a multipronged role for the neurotransmitter. In particular, dopamine may also reinforce avoidance o...

 2018-12-10 17:29 

ScienceDaily.com

Editing consciousness: How bereaved people control their thoughts without knowing it...

A new study shows that avoidant grievers unconsciously monitor and block the contents of their mind-wandering, a discovery that could lead to more effective psychiatric treatment for bereaved people. The researchers, who studied 29 bereaved subjects, are ...

 2018-12-10 17:29 

ScienceDaily.com

Physicist creates tiny sensors to assist in cancer detection...

A physicist hopes to improve cancer detection with a new and novel class of nanomaterials....

 2018-12-10 17:29 

ScienceDaily.com

Key players in the marine nitrogen cycle can utilize cyanate and urea...

The ammonia oxidizing archaea, or Thaumarchaeota, are amongst the most abundant marine microorganisms. Yet, we are still discovering which factors allow them to thrive in the ocean: A new publication reveals that marine Thaumarchaeota have a broader metab...

 2018-12-10 17:29 

ScienceDaily.com

Personalized medicine tool for inherited colorectal cancer syndrome...

An international team of researchers has developed, calibrated, and validated a novel tool for identifying the genetic changes in Lynch syndrome genes that are likely to be responsible for causing symptoms of the disease....

 2018-12-10 17:28 

ScienceDaily.com

Providers show interest in prescribing therapeutic cannabinoids...

Researchers have found many dermatologists are interested in learning more about and recommending therapeutic cannabinoids to their patients....

 2018-12-10 17:28 

ScienceDaily.com

Imaging atomic structure of important immune regulator...

A new study provides a biophysical and structural assessment of a critical immune regulating protein called human T-cell immunoglobulin and mucin domain containing protein-3 (hTIM-3). Understanding the atomic structure of hTIM-3 provides new insights for ...

 2018-12-10 17:28 

ScienceDaily.com

Two compounds in coffee may team up to fight Parkinson's...

Scientists have found a compound in coffee that may team up with caffeine to fight Parkinson's disease and Lewy body dementia -- two progressive and currently incurable diseases associated with brain degeneration....

 2018-12-10 16:58 

ScienceDaily.com

Solar activity research provides insight into sun's past, future...

Scientists have developed a new technique for looking at historic solar data to distinguish trustworthy observations from those that should be used with care. This work is critical to understanding the sun's past and future as well as whether solar ac...

 2018-12-10 16:58 

ScienceDaily.com

Evidence for carbon-rich surface on Ceres...

Astronomers have concluded that the surface of dwarf planet Ceres is rich in organic matter. Data from NASA's Dawn spacecraft indicate that Ceres's surface may contain several times the concentration of carbon than is present in the most carbon-ri...

 2018-12-10 16:58 

ScienceDaily.com

Topological matters: Toward a new kind of transistor...

An experiment has demonstrated, for the first time, electronic switching in an exotic, ultrathin material that can carry a charge with nearly zero loss at room temperature. Researchers demonstrated this switching when subjecting the material to a low-curr...

 2018-12-10 16:58 

ScienceDaily.com

Tiny droplets of early universe matter created...

Researchers have created tiny droplets of the ultra-hot matter that once filled the early universe, forming three distinct shapes and sizes: circles, ellipses and triangles....

 2018-12-10 16:58 

ScienceDaily.com

Novel laser technology for microchip-size chemical sensors...

A special laser system has been developed, using two slightly different frequency combs. This allows for chemical analysis on tiny spaces -- it is a millimeter-format chemistry lab. With this new patent-pending technology, frequency combs can be created o...

 2018-12-10 16:58 

ScienceDaily.com

Females prefer city frogs' tunes...

Urban sophistication has real sex appeal -- at least if you're a Central American amphibian. Male frogs in cities are more attractive to females than their forest-frog counterparts, according to a new study....

 2018-12-10 16:58 

ScienceDaily.com

Early career choices appear to influence personality...

In the state of Baden-Wurttemberg, Germany, 16-year-old students in middle-track schools decide whether to stay in school to pursue an academic career or enroll in a vocational training program. A new study offers evidence that the path they choose influe...

 2018-12-10 16:57 

ScienceDaily.com

Unexpected impact of hurricanes on Puerto Rico's watershed...

Researchers have found unprecedentedly high levels of nitrate, an essential plant nutrient, in streams and watersheds of Puerto Rico for a year after two consecutive major hurricanes in 2017. This high amount of nitrate may have important climate change i...

 2018-12-10 16:57 

ScienceDaily.com

Antenna evaluation method could help boost 5G network capacity and cut costs...

Researchers have developed a method for evaluating and selecting optimal antenna designs for future fifth-generation (5G) cellphones, other wireless devices and base stations....

 2018-12-10 16:57 

ScienceDaily.com

Predicting leaky heart valves with 3D printing...

Researchers have created a novel 3D printing workflow that allows cardiologists to evaluate how different valve sizes will interact with each patient's unique anatomy, before the medical procedure is actually performed. This protocol uses CT scan data...

 2018-12-10 16:56 

ScienceDaily.com

A glimmer of hope for the world's coral reefs...

The future of the world's coral reefs is uncertain, as the impact of global heating continues to escalate. However, according to a new study, the response of the Great Barrier Reef to extreme temperatures in 2017 was markedly different to one year ear...

 2018-12-10 16:38 

ScienceDaily.com

NASA's Voyager 2 probe enters interstellar space...

For the second time in history, a human-made object has reached the space between the stars. NASA's Voyager 2 probe now has exited the heliosphere -- the protective bubble of particles and magnetic fields created by the Sun....

 2018-12-10 15:54 

ScienceDaily.com

Genetic study of epilepsy points to potential new therapies...

The largest study of its kind, led by international researchers has discovered 11 new genes associated with epilepsy. It greatly advances knowledge of the underlying biological causes of epilepsy and may inform the development of new treatments for the co...

 2018-12-10 15:54 

ScienceDaily.com

Scientists brew lava and blow it up to better understand volcanoes...

What happens when lava and water meet? Explosive experiments with humanmade lava are helping to answer this important question. This long-term, ongoing study aims to shed light on the basic physics of lava-water interactions, which are common in nature bu...

 2018-12-10 15:54 

ScienceDaily.com

New light on blocking Shiga and ricin toxins -- And on an iconic biological process...

Researchers, setting their sights on Shiga toxin (player in the current E. coli outbreak from romaine lettuce) and ricin (a bioterrorism agent), have now identified potential protective strategies. Their study also sheds new light on glycosylation, the at...

 2018-12-10 15:53 

ScienceDaily.com

How glial cells develop in the brain from neural precursor cells...

A research team studied how glial cells develop in the brain from neural precursor cells. They discovered that differentiation involves three stages and that three proteins in the cell nucleus, so-called transcription factors, play a key role in organizin...

 2018-12-10 15:53 

ScienceDaily.com

New look at Puerto Rico post-Hurricane Maria...

Two new research efforts delve into Hurricane Maria's far-reaching effects on the island's forests and on its residents' energy and electricity access....

 2018-12-10 15:19 

ScienceDaily.com

Cancer cells distinguished by artificial intelligence-based system...

A research team has created a system that uses a convolutional neural network to learn the features distinguishing different cancer cells, based on images from a phase-contrast microscope. This system accurately differentiated human and mouse cancer cells...

 2018-12-10 15:19 

ScienceDaily.com

Memory tests predict brain atrophy and Alzheimer's disease...

Use of two episodic memory tests help in predicting brain atrophy and Alzheimer's disease, as indicated by a study. Researchers suggest that comprehensive use of memory tests could improve the diagnosis of mild cognitive impairment due to Alzheimer...

 2018-12-10 15:19 

ScienceDaily.com

Scientists discover how birds and dinosaurs evolved to dazzle with colourful displays...

Iridescence is responsible for some of the most striking visual displays in the animal kingdom. Now, thanks to a new study of feathers from almost 100 modern bird species, scientists have gained new insights into how this color diversity evolved....

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