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The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.
Updated: 3 years 1 month ago

Conservation success leads to new challenges for endangered mountain gorillas

May 25 2021 - 00:05
The first species-wide survey of parasite infections across the entire range of the mountain gorilla indicates new challenges ahead for the endangered species as its population grows.
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ORIENT-12 Study demonstrates adding sintilimab to gemcitabine/platinum has clinical benefit

May 25 2021 - 00:05
Adding sintilimab to a regimen of gemcitabine and platinum demonstrates clinical benefit over gemcitabine and platinum alone as first-line therapy in patients with locally advanced or metastatic squamous cell non-small cell lung cancer, according to a study published in the Journal of Thoracic Oncology, the official journal of the International Association for the Study of Lung Cancer.
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Low blood flow in the brain may be an early sign of Parkinson's disease

May 25 2021 - 00:05
Patients who suffer from REM sleep behaviour disorder have altered blood flow in the brain, which can lead to a lack of oxygen in the brain tissue. In the long term, this may cause symptoms of Parkinson's disease. This is shown by research from Aarhus University and Aarhus University Hospital.
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'Slow slip' earthquakes' hidden mechanics revealed

May 25 2021 - 00:05
Scientists at The University of Texas at Austin have used seismic 'CT' scans and supercomputers to reveal the inner workings of a region off the coast of New Zealand known to produce slow motion tremors, also called slow slip earthquakes. The insights help scientists pinpoint why tectonic energy at subduction zones is sometimes released gently as slow slip, and other times as devastating, high-magnitude earthquakes.
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COVID-19 news from Annals of Internal Medicine

May 25 2021 - 00:05
Vaccination not associated with worsening symptoms or quality of life in patients with persisting symptoms after acute COVID-19.
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As water sources become scarce, understanding emerging subsurface contaminants is key

May 25 2021 - 00:05
USC researchers have developed a variety of models that can help assess how emerging contaminants disperse, dissolve and ultimately impact water quality and the resilience of aquifers.
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Immune function of small chloroplasts in the epidermal cells of plants

May 25 2021 - 00:05
It is said that 10 to 15% of the world's agricultural production loss is caused by diseases, which is equivalent of the food for about 500 million people. And since 70-80% of this plant disease is caused by filamentous fungi, protecting crops from filamentous fungi is an important issue in effectively feeding the world population. The researchers found that small chloroplasts in the epidermis of plants control the entry of fungal pathogens.
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HPV vaccine shows success in gay, bisexual men

May 25 2021 - 00:05
A study by Monash University and Alfred Health found a 70 per cent reduction in one type of human papillomavirus (HPV) in gay and bisexual men after the implementation of the school-based HPV vaccination program.
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Egyptian fossil surprise: Fishes thrived in tropics in ancient warm period, despite high ocean tempe

May 25 2021 - 00:05
The Paleocene-Eocene Thermal Maximum, or PETM, was a short interval of highly elevated global temperatures 56 million years ago that is frequently described as the best ancient analog for present-day climate warming.
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National survey of frontline health care workers finds fear, unsafe working conditions

May 25 2021 - 00:05
A new report summarizes the findings from a national survey of frontline health care workers during the early days of the COVID-19 pandemic, finding that many reported unsafe working conditions and retaliation for voicing their concerns to employers.
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Narcissism linked to aggression in review of 437 studies

May 25 2021 - 00:05
A comprehensive analysis of 437 studies from around the world provides the best evidence to date that narcissism is an important risk factor for both aggression and violence, researchers said.The link between narcissism and aggression was found for all dimensions of narcissism and for a variety of types of aggression. Results were similar regardless of gender, age, whether they were college students, or country of residence.
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New research supports pridopidine's neuroprotective properties in Huntington's Disease models

May 25 2021 - 00:05
Newly published papers further elucidate the mechanisms underlying pridopidine's neuroprotective properties through activation of the Sigma-1 Receptor (S1R). Pridopidine enhances mitochondrial function and reduces mHTT-induced ER stress, which are impaired in HD, mediated by the S1R. Three new peer-reviewed publications highlight pridopidine's therapeutic potential and provide data supporting the role of the S1R in neurodegenerative diseases
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According to a new study, testosterone therapy may reduce non-alcoholic fatty liver disease in obese

May 25 2021 - 00:05
Testosterone therapy may help obese men with functional hypogonadism and type-2 diabetes reduce the prevalence of non-alcoholic fatty liver disease (NAFLD), according to a study being presented at the 23rd?European Congress of Endocrinology (e-ECE 2021), on Tuesday 25 May 2021 at 14:00 CET (www.ece2021.org). The two-year study found that therapy with testosterone undecanoate normalised testosterone levels, reduced NAFLD, and suppressed the symptoms of hypogonadism in men living with these conditions.
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Nonprofits, federal government surpass pharma to lead Alzheimer's drug development

May 25 2021 - 00:05
Two articles published online today by Alzheimer's & Dementia: Translational Research & Clinical Interventions, a journal of the Alzheimer's Association, show substantial changes in the focus and funding of clinical trials for Alzheimer's disease therapies.
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Soft X-ray method promises nanocarrier breakthroughs for smart medicine

May 25 2021 - 00:05
A new technique using chemically-sensitive "soft" X-rays offers a simpler, non-disruptive way of gaining insight into nanocarriers. Currently researchers have to rely on attaching fluorescent dyes or heavy metals to label parts of organic nanocarrier structures for investigation, often changing them in the process. Researchers have demonstrated the capability of the new X-ray method on a smart drug delivery nanoparticle and a polysoap nanostructure intended to capture crude oil spilled in the ocean.
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Odd angles make for strong spin-spin coupling

May 25 2021 - 00:05
A Rice University-led study finds a unique form of tunable and ultrastrong spin-spin interactions in orthoferrites under a strong magnetic field. The discovery has implications for quantum simulation and sensing.
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Engineering matter at the atomic level

May 25 2021 - 00:05
In a breakthrough that will contribute to this, published in Nature Communications, researchers from the RIKEN Cluster for Pioneering Research and RIKEN Center for Advanced Photonics, along with collaborators, have developed a way to use a "dry transfer technique"--a technique that uses no solvent--to position optical quality carbon nanotubes in a precise way.
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Press (re)play to remember - How the brain strengthens memories during sleep

May 25 2021 - 00:05
While we sleep, the brain produces particular activation patterns. When two of these patterns - slow oscillations and sleep spindles - gear into each other, previous experiences are reactivated. The stronger the reactivation, the clearer will be our recall of past events, a new study reveals.
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Harnessing next generation sequencing to detect SARS-CoV-2

May 25 2021 - 00:05
Researchers at the Vienna BioCenter designed a testing protocol for SARS-CoV-2 that can process tens of thousands of samples in less than 48 hours. The method, called SARSeq, is published in the journal Nature Communications and could be adapted to many more pathogens.
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"Scuba-diving" lizards use bubble attached to snout to breathe underwater

May 25 2021 - 00:05
A team of evolutionary biologists including faculty at Binghamton University, State University of New York have shown that some Anolis lizards, or anoles, have adapted to rebreathe exhaled air underwater using a bubble clinging to their snouts.
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