Monday, April 16, 2018

Science X Newsletter Week 15

Dear Reader ,

Here is your customized Science X Newsletter for week 15:

Machine learning could help search for gravitational waves

A trio of students from the University of Glasgow have developed a sophisticated artificial intelligence which could underpin the next phase of gravitational wave astronomy.

Students did not benefit from studying according to their supposed learning style

The idea that we learn better when taught via our preferred modality or "learning style" – such as visually, orally, or by doing – is not supported by evidence. Nonetheless the concept remains hugely popular, no doubt in part because learning via our preferred style can lead us to feel like we've learned more, even though we haven't.

Neutrino experiment at Fermilab delivers an unprecedented measurement

Tiny particles known as neutrinos are an excellent tool to study the inner workings of atomic nuclei. Unlike electrons or protons, neutrinos have no electric charge, and they interact with an atom's core only via the weak nuclear force. This makes them a unique tool for probing the building blocks of matter. But the challenge is that neutrinos are hard to produce and detect, and it is very difficult to determine the energy that a neutrino has when it hits an atom.

New clues to restoring fertility in women with disabling ovary disorder

Groundbreaking research out of the University of Otago is showing potential to restore fertility in women suffering polycystic ovary syndrome.

Night owls have higher risk of dying sooner

"Night owls"—people who like to stay up late and have trouble dragging themselves out of bed in the morning—have a higher risk of dying sooner than "larks," people who have a natural preference for going to bed early and rise with the sun, according to a new study from Northwestern Medicine and the University of Surrey in the United Kingdom (UK).

Peptide-based biogenic dental product may cure cavities

Researchers at the University of Washington have designed a convenient and natural product that uses proteins to rebuild tooth enamel and treat dental cavities.

Non-invasive, adhesive patch promises measurement of glucose levels through skin without finger-prick blood test

Scientists have created a non-invasive, adhesive patch, which promises the measurement of glucose levels through the skin without a finger-prick blood test, potentially removing the need for millions of diabetics to frequently carry out the painful and unpopular tests.

Artificial intelligence accelerates discovery of metallic glass

Blend two or three metals together and you get an alloy that usually looks and acts like a metal, with its atoms arranged in rigid geometric patterns.

Study sheds new light on how bilinguals process language

Research led by a psychologist at the University of California, Riverside, shows that bilinguals regulate, or suppress, their native language when reading in a second language.

The emotions we feel may shape what we see

Our emotional state in a given moment may influence what we see, according to findings published in Psychological Science, a journal of the Association for Psychological Science. In two experiments, researchers found that participants saw a neutral face as smiling more when it was paired with an unseen positive image.

Sleepless nights show ties to Alzheimer's risk

Even one night of lost sleep may cause the brain to fill with protein chunks that have long been linked to the development of Alzheimer's disease, a new study warns.

Study may show how chronic early-life stress raises PTSD vulnerability

A collaboration between investigators at Massachusetts General Hospital and Khyber Medical University in Pakistan may have discovered how chronic stress experienced early in life increases vulnerability to post-traumatic stress disorder (PTSD) later in life. In their report published in Translational Psychiatry the researchers describe finding that chronic stress induces a persistent increase in the hormone ghrelin, both in a rat model and in human adolescents. Rats with stress-induced ghrelin elevations were more vulnerable to an excessive fear response long after the stressful experience, a vulnerability that was eliminated by long-term blockade of ghrelin signaling.

Lingering negative responses to stress linked with health a decade later

People whose negative emotional responses to stress carry over to the following day are more likely to report health problems and physical limitations later in life compared with peers who are able to "let it go," according to findings published in Psychological Science, a journal of the Association for Psychological Science.

Thinning in brain regions important for memory linked to sedentary habits

Sitting too much is linked to changes in a section of the brain that is critical for memory, according to a preliminary study by UCLA researchers of middle-aged and older adults.

Scientists fix genetic risk factor for Alzheimer's disease in human brain cells

Using human brain cells, scientists at the Gladstone Institutes discovered the cause of—and a potential solution for—the primary genetic risk factor for Alzheimer's disease, a gene called apoE4.

New study reveals increased snowfall in Antarctica over last two centuries

The first comprehensive study of snowfall across Antarctica provides vital information in the study of future sea-level rise.

New study finds genetic evidence that magnetic navigation guides loggerhead sea turtles

New research from the University of North Carolina at Chapel Hill provides valuable insight into the navigation and nesting behaviors of loggerhead sea turtles that could inform future conservation efforts. Loggerhead sea turtles that nest on beaches with similar magnetic fields are genetically similar to one another, according to a new study by UNC-Chapel Hill biologists Kenneth J. Lohmann and J. Roger Brothers.

Tiny distortions in universe's oldest light reveal clearer picture of strands in cosmic web

Scientists have decoded faint distortions in the patterns of the universe's earliest light to map huge tubelike structures invisible to our eyes – known as filaments – that serve as superhighways for delivering matter to dense hubs such as galaxy clusters.

FDA approves contact lenses that shade the sun

The lives of contact lens wearers just got a whole lot easier.

Specific bacteria in the small intestine are crucial for fat absorption

Although the vast majority of research on the gut microbiome has focused on bacteria in the large intestine, a new study—one of a few to concentrate on microbes in the upper gastrointestinal tract—shows how the typical calorie-dense western diet can induce expansion of microbes that promote the digestion and absorption of high-fat foods.


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