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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: 2 years 8 months ago

Political polarization: Often not as bad as we think

Apr 22 2021 - 00:04
As politics grows increasingly polarized, a new global study finds people often exaggerate political differences and negative feelings of those on the opposite side of the political divide, and this misperception can be reduced by informing them of the other side's true feelings. The study replicates earlier research in the United States, finding the phenomenon to be generalizable across 25 countries.
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New material could better protect soldiers, athletes and motorists

Apr 22 2021 - 00:04
Soldiers, athletes, and motorists could lead safer lives thanks to a new process that could lead to more efficient and re-useable protection from shock and impact, explosion, and vibration, according to a new study.
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Experimental drug shows potential against Alzheimer's disease

Apr 22 2021 - 00:04
Researchers at Albert Einstein College of Medicine have designed an experimental drug that reversed key symptoms of Alzheimer's disease in mice. The drug works by reinvigorating a cellular cleaning mechanism that gets rid of unwanted proteins by digesting and recycling them. The study was published online today in the journal Cell.
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Individuals in lower-income US counties or high support for former President Trump continue to be less likely to socially distance

Apr 22 2021 - 00:04
Using nearly a year of anonymous geolocation data from 15-17 million cell phone users in 3,037 United States counties, investigators have found that individuals with lower income per capita or greater Republican orientation were associated with significantly reduced social distancing throughout the study period from March 2020 through January 2021. Their findings are reported in the American Journal of Preventive Medicine, published by Elsevier.
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Sculpting radiation beam spares lung cancer patients from severe, disabling complication

Apr 22 2021 - 00:04
The use of a novel esophagus-sparing technique reduces the rate of severe inflammation of the esophagus in patients with localized lung cancer receiving high-dose radiation and concurrent chemotherapy. Severe esophagitis was reduced despite tumors located within 1 centimeter of the esophagus, with no increased risk in local tumor recurrence.
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Fighting harmful bacteria with nanoparticles

Apr 22 2021 - 00:04
Multi-resistant pathogens are a serious and increasing problem in today's medicine. Where antibiotics are ineffective, these bacteria can cause life-threatening infections. Researchers at Empa and ETH Zurich are currently developing nanoparticles that can be used to detect and kill multi-resistant pathogens that hide inside our body cells. The team published the study in the current issue of the journal Nanoscale.
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Using exoplanets as dark matter detectors

Apr 22 2021 - 00:04
In the continuing search for dark matter in our universe, scientists believe they have found a unique and powerful detector: exoplanets.In a new paper, two astrophysicists suggest dark matter could be detected by measuring the effect it has on the temperature of exoplanets, which are planets outside our solar system.
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How we know whether and when to pay attention

Apr 22 2021 - 00:04
International team of researchers identifies cognitive computations underlying human predictive behaviour.
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Study of 'breakthrough' cases suggests COVID testing may be here to stay

Apr 22 2021 - 00:04
Two new cases helped scientists confirm what many have come to suspect: that people can get infected by SARS-CoV-2 variants even after successful vaccination. The findings suggest continued testing may be needed to prevent future outbreaks in a post-vaccine world.
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XYZeq: A better map of cell diversity

Apr 22 2021 - 00:04
Researchers at Gladstone Institutes, UC San Francisco, and UC Berkeley have developed a more efficient method than ever before to simultaneously map the specialized diversity and spatial location of individual cells within a tissue or a tumor. The technique, called XYZeq, was described online this week in the journal Science Advances. This offers new insight into the organization of tissues and the interplay between different cell types during disease, including in cancers.
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Climate-smart ag strategies may cut nitrous oxide emissions from corn production

Apr 22 2021 - 00:04
For corn, using dairy manure and legume cover crops in crop rotations can reduce the need for inorganic nitrogen fertilizer and protect water quality, but these practices also can contribute to emissions of nitrous oxide -- a potent greenhouse gas.
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Sapped: Exploring potential connections between devitalizing anemia and insomnia

Apr 22 2021 - 00:04
Genome wide analyses have revealed that MSEI, a gene linked with anemia is also associated with insomnia. The correlation between the two conditions, however, remains largely unexplored in adults. Thus, in a cross-sectional study, researchers assessed the relation between anemia and insomnia in a large Chinese cohort. Their findings, published in Chinese Medical Journal, suggest that anemia increases the risk of insomnia. Further studies can help elucidate the underlying molecular and physiological associations.
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Romantic relationships mitigate effects of trauma on alcohol use among college students

Apr 22 2021 - 00:04
Students who have been exposed to interpersonal trauma -- physical assault, sexual assault or unwanted sexual experiences -- prior to college are more likely to engage in risky alcohol use. But romantic relationships mitigate these effects of trauma on a student's drinking behavior, according to a new study led by Virginia Commonwealth University researchers.
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Researchers design micro-sized capsules for targeted drug delivery -- inspired by Russian pelmeni

Apr 22 2021 - 00:04
An international team led by a Skoltech researcher has developed a method of fabrication for biodegradable polymer microcapsules, made more efficient by turning to an unusual source of inspiration - traditional Russian dumpling, or pelmeni, making. 
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Updated results on coronavirus vaccination effectiveness

Apr 22 2021 - 00:04
Study of 1.4 Million patients demonstrates high vaccine effectiveness of 95-96% 7 days following second Pfizer-BioNTech vaccine dose. Vaccine also effective in patients suffering from Multiple Chronic Illnesses, though higher residual risk may remain in these patients.
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Inspired by nature, the research to develop a new load-bearing material

Apr 22 2021 - 00:04
Engineers have developed a new material that mimics human cartilage - the body's shock absorbing and lubrication system, and it could herald the development of a new generation of lightweight bearings.
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Mutations can reduce effect of hormonal treatment in early breast cancer

Apr 22 2021 - 00:04
A small proportion of women who receive anti-estrogen treatment after breast cancer surgery have worse outcomes. This is associated with mutations in the estrogen receptor gene, according to a study from Lund University now published in JNCI Cancer Spectrum.
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IU researchers tackled the challenges of conducting intrastate policy surveillance

Apr 22 2021 - 00:04
IU researchers tackled the challenges of conducting intrastate policy surveillance by looking at accessibility of county and municipal laws in Indiana.
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Properties of chromium tribromide show path to innovative electronic devices

Apr 22 2021 - 00:04
Two-dimensional (2D) materials with a single-layer thickness retaining magnetic order in atomically thin limit began to increase their scientific and technological significance after the successful synthesis of graphene and later investigations of van der Waals materials. CrBr3 has been known since the 60s as a van der Waals ferromagnet.
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Nanofiltration membranes to treat industrial wastewater from heavy metals

Apr 22 2021 - 00:04
NUST MISIS scientists together with Indian colleagues from Jain University and Sri Dharmasthala Manjunatheshwara College presented innovative membranes for the complete removal of heavy metals from industrial wastewater. The special nanostructure of zinc-modified aluminum oxide made it possible to remove arsenic and lead from water with an efficiency of 87% and 98%, respectively. The results of the work were published in the Chemosphere journal.
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