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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 7 months ago

New tracking system monitors danger to rainforests

Jul 23 2021 - 00:07
Similar to the election needle and the stock market index, scientists have developed a new tracking system to detect danger to rainforests around the world. The data to build the index was culled from advanced satellite measurements of climate and vegetation of each tropical region on Earth.
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American Society for Colposcopy and Cervical Pathology discusses updated American Cancer Society guidelines on cervical cancer screening

Jul 23 2021 - 00:07
Last year, the American Cancer Society (ACS) issued an updated set of guidelines for cervical cancer screening - emphasizing the shift toward screening with primary human papillomavirus (HPV) testing. While the ACS recommendation accounts for a transition period to implement primary HPV screening, additional factors should be considered to operationalize these guidelines, according to a special white paper in the July issue of the Journal of Lower Genital Tract Disease (JLGTD), official journal of ASCCP. The journal is published in the Lippincott portfolio by Wolters Kluwer.
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Advantages of intranasal vaccination against SARS-CoV-2

Jul 23 2021 - 00:07
There are many reasons that an intranasal vaccine against the SARS-CoV-2 virus would be helpful in the fight against COVID-19 infections, University of Alabama at Birmingham immunologists Fran Lund, Ph.D., and Troy Randall, Ph.D., write in a viewpoint article in the journal Science.
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Policing the digital divide: How racial bias can limit Internet access for people of color

Jul 23 2021 - 00:07
A new study from the Annenberg School for Communication at the University of Pennsylvania investigated the ways that institutions control who has access to Wi-Fi. The findings indicate that powerful institutions and privileged people use quality-of-life policing -- the report and/or arrest of individuals engaged in nonviolent offenses such as loitering, noise violations, and public intoxication -- to keep those with less privilege, including people of color, from accessing resources like the internet.
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Strategies for disseminating guidance to dentists during the COVID-19 pandemic

Jul 23 2021 - 00:07
Ruth Lipman, American Dental Association (ADA) Science and Research Institute, Chicago, Ill., U.S., presented the poster "Strategies for Disseminating Guidance to Dentists during the COVID-19 Pandemic" at the virtual 99th General Session & Exhibition of the International Association for Dental Research (IADR), held in conjunction with the 50th Annual Meeting of the American Association for Dental Research (AADR) and the 45th Annual Meeting of the Canadian Association for Dental Research (CADR), on July 21-24, 2021.
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High school student presents on oral-health impact profile 5: analyzing a private practice adult population's distribution

Jul 23 2021 - 00:07
Hiba Nasir, Wayzata High School, Plymouth, Minn., presented the poster "Oral-Health Impact Profile 5: Analyzing A Private Practice Adult Population's Distribution" at the virtual 99th General Session & Exhibition of the International Association for Dental Research (IADR), held in conjunction with the 50th Annual Meeting of the American Association for Dental Research (AADR) and the 45th Annual Meeting of the Canadian Association for Dental Research (CADR), on July 21-24, 2021.
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Cascaded metasurfaces for dynamic control of THz wavefronts

Jul 23 2021 - 00:07
As reported in Advanced Photonics, researchers from Shanghai University and Fudan University developed a general framework and metadevices for achieving dynamic control of THz wavefronts. Instead of locally controlling the individual meta-atoms in a THz metasurface (e.g., via PIN diode, varactor, etc.), they vary the polarization of a light beam with rotating multilayer cascaded metasurfaces.
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Better healthcare management can reduce the risk of delirium among older adults

Jul 23 2021 - 00:07
New research by an Executive PhD Research student at the Business School (formerly Cass) outlines how elderly patients with neurological conditions are significantly more likely to develop delirium shortly after they are hospitalised, and those admitted on Sunday and Tuesday are more likely to develop the disorder.
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Featured articles from the journal CHEST®, July 2021

Jul 23 2021 - 00:07
The July issue of the journal CHEST® includes 85 articles, including "Pulmonary Function and Radiologic Features in Survivors of Critical COVID-19: A 3-Month Prospective Cohort," original research on critical COVID cases.
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Why do some people get severe COVID-19? The nose may know

Jul 23 2021 - 00:07
The body's first encounter with the coronavirus happens in the nose and throat. New work in Cell suggests that responses in this early battleground help determine who will develop severe COVID-19 and who will have only mild or no illness. It used single-cell RNA sequencing of all the cell types recovered from nasal swabs of people with and without COVID-19.
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Four themes identified as contributors to diseases of despair in Pennsylvania

Jul 23 2021 - 00:07
Financial instability, lack of infrastructure, a deteriorating sense of community and family fragmentation are key contributors to diseases of despair in Pennsylvania communities, according to Penn State College of Medicine and Highmark Health researchers. The researchers conducted four focus groups in Pennsylvania communities identified as having high rates of despair-related illnesses.
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Experiences, perpetration of identity-based bullying among adolescents

Jul 23 2021 - 00:07
What The Study Did: Using survey responses from students in some Pittsburgh, Pennsylvania, high schools, researchers investigated how experiences of bullying based on race/ethnicity/national origin and other marginalized identities are associated with outcomes for health, mental health and violence among adolescents.
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Association of wealth with longevity at midlife

Jul 23 2021 - 00:07
What The Study Did: Researchers investigated the association between net worth at midlife and subsequent longevity in individuals as well as with siblings and twins.
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'Feel good' brain messenger can be willfully controlled, new study reveals

Jul 23 2021 - 00:07
UC San Diego researchers and their colleagues at the Icahn School of Medicine at Mount Sinai in New York have discovered that spontaneous impulses of dopamine, the neurological messenger known as the brain's "feel good" chemical, occur in the brain of mice. The study found that mice can willfully manipulate these random dopamine pulses for reward.
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Americans with higher net worth at midlife tend to live longer

Jul 23 2021 - 00:07
In the first wealth and longevity study to incorporate siblings and twin pair data, researchers from Northwestern University analyzed the midlife net worth of adults (mean age 46.7 years) and their mortality rates 24 years later. They discovered those with greater wealth at midlife tended to live longer.
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US clinics slower to provide opioid treatment than Canadian clinics

Jul 23 2021 - 00:07
As opioid overdose deaths rose during the COVID-19 pandemic, people seeking treatment for opioid addiction had to wait nearly twice as long to begin methadone treatment in the United States than in Canada, a new Yale study has shown.
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New measure of tropical forest vulnerability to help avoid 'tipping point'

Jul 23 2021 - 00:07
Humid tropical forests, vital in global efforts to limit rising temperatures, are under threat as a result of changes in land use and climate. Now, researchers reporting in the journal One Earth on July 23 have developed a new way to keep tabs on the vulnerability of these forests on a global scale using satellite data called the tropical forest vulnerability index (TFVI).
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Meeting global climate targets will lead to 8 million more energy jobs worldwide by 2050

Jul 23 2021 - 00:07
Researchers created a global dataset of job footprints in 50 countries and used a model to investigate how trying to meet the Paris Agreement global climate target of staying well below 2°C would affect energy sector jobs. They found that action to reach said target would increase net jobs by about 8 million by 2050, primarily due to gains in the solar and wind industries. The analysis appears July 23 in the journal One Earth.
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What's riskier for young soccer players, practice or game time?

Jul 23 2021 - 00:07
For young soccer players, participating in repetitive technical training activities involving heading during practice may result in more total head impacts but playing in scrimmages or actual soccer games may result in greater magnitude head impacts. That's according to a small, preliminary study released today that will be presented at the American Academy of Neurology's Sports Concussion Conference, July 30-31, 2021.
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The impact of climate change on Kenya's Tana river basin

Jul 23 2021 - 00:07
Many species within Kenya's Tana River Basin will be unable to survive if global temperatures continue to rise as they are on track to do - according to new research from the University of East Anglia. A new study published in the journal PLOS ONE outlines how remaining within the goals of the Paris Agreement would save many species. The research also identifies places that could be restored to better protect biodiversity and contribute towards global ecosystem restoration targets.
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